AI Rankings · Snapshot 10 Oct 2026

Top commercial HVAC contractors in Michigan, ranked by ChatGPT answers

We asked ChatGPT the questions buyers ask. Friedman Mechanical came up most, in 15 of 24 answers.

Since 3 Oct 2026: Kalamazoo Mechanical climbed 33 spots · River City Mechanical new to the shortlist

24ChatGPT answers read
22commercial HVAC contractors named
63%Answer Share of #1, Friedman Mechanical
3Leaders in ChatGPT's answers

The Answer Map

Where the 20 most-named commercial HVAC contractors sit in ChatGPT's answers

Niche Picks Named less often, near the top
Leaders Named often, near the top
On the Radar Named less often, further down
Recognized Named often, further down

Bubble size = buyer questions it shows up for

LEADERS ⓘ NICHE PICKS ⓘ RECOGNIZED ⓘ ON THE RADAR ⓘ 0%25%50%75%100% #1#2#3#4#5#6#7 ↑ Named earlier in the answer Answer Share: how often ChatGPT names them → Answer Rank F A S K L J A T T A R S T P V C P B A E Friedman MechanicalAir Handlers Commercial HVACSamco Facilities MaintenanceKalamazoo MechanicalLevel One HVAC ServicesJ.F. JacobsAllied Mechanical ServicesTemperature MechanicsTechnical Hot & ColdAndy J Egan CompanyRiver City MechanicalSeaman's MechanicalTroost ServiceProgressive MechanicalVan Dyken MechanicalCrosswind MechanicalBC Ten Air

The takeaway

3 commercial HVAC contractors are Leaders in ChatGPT's answers in Michigan.

Friedman Mechanical, Air Handlers Commercial HVAC and Samco Facilities Maintenance are each named in at least half of ChatGPT's answers and land near the top.

3 Leaders3 Niche Picks0 Recognized14 On the Radar

Hover or tap a bubble, name or ⓘ for details. The labels describe how ChatGPT answers, not how good a company is.

ChatGPT's Shortlist

Which commercial HVAC contractors does ChatGPT name most in Michigan?

Commercial HVAC contractors install, service and maintain heating, cooling, ventilation and building controls for commercial and industrial facilities.

ChatGPT's Shortlist: Answer Share, answers named in, Answer Rank and Question Reach per company.
#vs last weekCompanyAnswer ShareWeekly trendNamed inAnswer RankQuestion ReachOn the map
1 ▲ 9 Friedman Mechanical 62.5% +20.8 pts 15 of 24 #1.7 5 of 8 Leaders
2 ▼ 1 Air Handlers named as Air Handlers Corp, Air Handlers Commercial HVAC, Air Handlers Corporation 62.5% −29.2 pts 15 of 24 #2.5 6 of 8 Leaders
3 ▼ 1 Samco Facilities Maintenance 58.3% −29.2 pts 14 of 24 #3.0 6 of 8 Leaders
4 ▲ 33 Kalamazoo Mechanical, Inc. named as Kalamazoo Mechanical 45.8% +41.7 pts 11 of 24 #4.4 5 of 8 On the Radar
5 ▼ 2 Level One named as Level One HVAC Services, Level One HVAC Services, Inc., Level One HVAC Services Inc. 45.8% −41.7 pts 11 of 24 #5.8 6 of 8 On the Radar
6 ▼ 2 J.F. Jacobs named as J.F. Jacobs, Inc., J.F. Jacobs, Inc 33.3% −50.0 pts 8 of 24 #2.9 3 of 8 Niche Picks
7 No change Allied Mechanical Services, Inc. named as Allied Mechanical Services 33.3% −25.0 pts 8 of 24 #6.3 4 of 8 On the Radar
8 ▲ 10 Temperature Mechanics 29.2% +12.5 pts 7 of 24 #5.1 3 of 8 On the Radar
9 ▲ 25 Technical Hot & Cold named as Technical Hot and Cold 20.8% +16.7 pts 5 of 24 #2.6 3 of 8 Niche Picks
10 ▲ 2 Andy J. Egan Co. named as Andy J. Egan Company, Andy J. Egan 16.7% −16.7 pts 4 of 24 #3.0 2 of 8 Niche Picks
11 New River City Mechanical 16.7% 4 of 24 #4.5 2 of 8 On the Radar
12 ▼ 6 Seaman's Mechanical named as Seaman’s Mechanical 12.5% −54.2 pts 3 of 24 #3.7 1 of 8 On the Radar
13 ▲ 16 Troost Service named as Troost Service Company 12.5% +4.2 pts 3 of 24 #5.0 1 of 8 On the Radar
14 ▼ 1 Progressive Mechanical, Inc. named as Progressive Mechanical, Progressive Mechanical Inc. 12.5% −16.7 pts 3 of 24 #5.7 1 of 8 On the Radar
15 ▲ 10 Van Dyken Mechanical, Inc. named as Van Dyken Mechanical 12.5% 3 of 24 #5.7 3 of 8 On the Radar
16 ▼ 2 Crosswind Mechanical 12.5% −16.7 pts 3 of 24 #6.0 1 of 8 On the Radar
17 No change Pleune Service Company 12.5% −8.3 pts 3 of 24 #6.7 3 of 8 On the Radar
18 ▲ 4 BC Ten Air 8.3% −4.2 pts 2 of 24 #4.0 2 of 8 On the Radar
19 ▼ 11 Adrian Mechanical Services 8.3% −45.8 pts 2 of 24 #6.0 2 of 8 On the Radar
20 ▼ 9 Expert Mechanical Service 8.3% −29.2 pts 2 of 24 #7.0 2 of 8 On the Radar

Ranked by Answer Share, the share of ChatGPT's answers that name the company. Answer Rank is where it shows up when named (#1 = named first). Question Reach is how many of the 8 buyer questions it appears for. "vs last week" compares with the 3 Oct 2026 snapshot: spots gained (▲) or lost (▼), and the change in Answer Share.

Not on ChatGPT's shortlist? Find out why in a free AI visibility audit.

Buyer questions

What do buyers ask ChatGPT about commercial HVAC contractors in Michigan?

The 8 questions we ask ChatGPT, each asked 3 times.

The three companies ChatGPT names most for each buyer question.
Buyer questionNamed mostSecondThird
“What are the best commercial HVAC contractors in Michigan?” Air Handlers Commercial HVAC De-Cal Mechanical Contractors Advantage Mechanical-Refrigeration
“Which commercial HVAC contractors in Michigan are best for office buildings and light industrial facilities?” Air Handlers Commercial HVAC Friedman Mechanical Allied Mechanical Services
“Which commercial HVAC contractors in Michigan are best for rooftop units and boiler systems?” Friedman Mechanical D.J. McConnell Co Air Handlers Commercial HVAC
“Which commercial HVAC contractors in Michigan offer 24/7 emergency service?” Friedman Mechanical Samco Facilities Maintenance J.F. Jacobs
“What are the most reliable commercial HVAC contractors in Southeast Michigan?” Friedman Mechanical Air Handlers Commercial HVAC Samco Facilities Maintenance
“Who are the best commercial HVAC contractors in West Michigan?” Andy J Egan Company Hurst Mechanical River City Mechanical
“Which commercial HVAC contractors in Michigan have the best preventive maintenance programs?” Friedman Mechanical Pro-Tech Mechanical Services Technical Hot & Cold
“Which family-owned or locally owned commercial HVAC contractors in Michigan do facility managers trust?” J.F. Jacobs Kalamazoo Mechanical Level One HVAC Services

Overall, Friedman Mechanical is named most. But ask “What are the best commercial HVAC contractors in Michigan?” and Air Handlers Commercial HVAC comes up in 3 of 3 answers.

In ChatGPT's words

How ChatGPT describes the top three

#1 · Friedman Mechanical

“My shortlist would start with Friedman Mechanical, Air Handlers Service Corporation, Pro-Tech Mechanical Services, Allied Mechanical Services, and J.F.”

#2 · Air Handlers Commercial HVAC

“Air Handlers says it has served Southeast Michigan since 1985 and emphasizes reducing unplanned failures through scheduled maintenance.”

#3 · Samco Facilities Maintenance

“Based on publicly described maintenance programs, I'd start with Pro-Tech Mechanical, Friedman Mechanical, Samco Facilities Maintenance, and Reckinger's Heating & Cooling.”

Sources cited in these answers

The websites behind the answers

The websites ChatGPT cited most in this page's 24 answers.

The websites ChatGPT cites most across this page's answers.
WebsiteTimes citedShare
The individual pages ChatGPT cites most for this page.
Page citedTimes

The receipts

Every answer, word for word

One full ChatGPT answer for each buyer question, unedited.

“What are the best commercial HVAC contractors in Michigan?” ChatGPT · 10 Oct 2026

Best commercial HVAC contractors in Michigan ============================================

The best commercial HVAC contractor in Michigan depends on your building type, location, and scope of work. For offices, industrial facilities, warehouses, hospitals, schools, and multifamily properties, I’d prioritize contractors with proven commercial experience, in-house service technicians, preventive maintenance programs, controls expertise, and the ability to respond to emergency breakdowns.

Rather than relying on a single statewide ranking, it’s worth comparing established mechanical contractors by their regional coverage and specialties.

My shortlist of commercial HVAC contractors

These are strong candidates to investigate based on their stated commercial capabilities, geographic coverage, and available business listings—not a definitive statewide performance ranking.

1.

Air Handlers Service Corporation

----------------------------------------

Auburn Hills · Southeast Michigan

A strong candidate for commercial and industrial HVAC installation, service, system upgrades, and preventive maintenance. Worth considering for facilities that need ongoing service as well as larger mechanical projects.

DowntoBid

Phone: (248) 625-8913

[Company website](https://www.airhandlersservice.com/)

2.

De-Cal Mechanical Contractors

-------------------------------------

Warren · Southeast Michigan

Best suited to investigate for complex mechanical work involving HVAC, boilers, chillers, piping, plumbing, and controls. A useful option for industrial and institutional facilities that need more than routine air-conditioning service.

Phone: (586) 754-4370

[Company website](https://www.decalmechanical.com/)

3.

SAMCO Facilities Maintenance

------------------------------------

Livonia · Metro Detroit

Particularly relevant for ongoing commercial HVAC service, refrigeration, food-service equipment, and preventive maintenance. Its published materials also describe emergency service, making it worth evaluating for businesses where downtime is costly.

Samco Facilities Maintenance

+1

Phone: (734) 838-6300

[Company website](https://www.samcofm.com/)

4.

Progressive Mechanical, Inc.

------------------------------------

Clawson · Southeast Michigan

Worth considering for larger commercial, industrial, institutional, and municipal projects where HVAC is part of a broader mechanical construction package.

Phone: (248) 399-4200

5.

Level One HVAC Services

-------------------------------

New Hudson · Southeast Michigan

A candidate for commercial and industrial HVAC/R service, maintenance agreements, and facilities such as warehouses, offices, manufacturing sites, and retail properties. Confirm the service territory for your specific location.

Phone: (248) 486-6500

6.

Advantage Mechanical-Refrigeration, Inc.

------------------------------------------------

Cedar Springs · West Michigan

A promising option for commercial and industrial HVAC, refrigeration, piping, and related mechanical work. Its listed services include round-the-clock emergency support, which may be important for operations that cannot afford extended downtime.

Phone: (800) 269-1988

7.

Allied Mechanical Services, Inc.

----------------------------------------

Kalamazoo · West Michigan

Especially worth evaluating for commercial, industrial, healthcare, and educational projects requiring mechanical construction, fabrication, piping, ductwork, or ongoing facility service.

Phone: (269) 344-0191

[Company website](https://www.alliedmechanical.com/)

8.

Oxford Mechanical

-------------------------

Ann Arbor · Southeast Michigan

Another option to investigate for commercial-focused HVAC service, maintenance, installation, and equipment replacement across offices, retail, medical, and industrial properties.

Phone: (734) 719-8010

Commercial HVAC contractors across Michigan

Reset viewExpand map

Map data is currently unavailable

Which contractor should you choose?

| If your priority is…

|

Start with

Industrial HVAC and mechanical construction

|

Air Handlers or De-Cal

|

|

Commercial service and preventive maintenance

|

SAMCO or Level One

|

|

Broader mechanical construction and fabrication

|

Progressive Mechanical or Allied Mechanical

|

|

West Michigan service coverage

|

Advantage Mechanical-Refrigeration or Allied Mechanical

|

|

Commercial properties around Ann Arbor

|

Oxford Mechanical

|

What to verify before hiring

For a meaningful comparison, request at least three proposals and check:

  • Commercial references: Ask for projects of similar size, building type, and equipment.
  • Licensing and insurance: Verify applicable Michigan licensing, insurance limits, and required permits.
  • Emergency coverage: Confirm actual after-hours response commitments and whether technicians are dispatched locally.
  • Maintenance terms: Compare inspection frequency, included labor, parts, exclusions, and response-time guarantees.
  • Technical capability: For larger buildings, check experience with chillers, boilers, building automation, energy optimization, and variable-refrigerant-flow systems as applicable.

You can also verify contractor credentials through Michigan's [LARA licensing resources](https://www.michigan.gov/lara) .

Let’s narrow it down to the best fit

One detail will help me make a much more useful shortlist: where in Michigan is the property located?

1\. Location

Metro Detroit / Southeast Michigan

Grand Rapids / West Michigan

Lansing / Mid-Michigan

Ann Arbor / Southeast Michigan

Northern Michigan / Upper Peninsula

Multiple locations across Michigan

2\. Main requirement

Ongoing maintenance and repair

New construction or full HVAC replacement

Industrial HVAC and process cooling

Energy efficiency and building automation

Emergency service

3\. Building type

Industrial / manufacturing

Office / retail / commercial real estate

Healthcare / education / institutional

Warehouse / distribution

Restaurant / food service

4\. Project scale

Small commercial building

Mid-size commercial building

Large facility / multiple buildings

Major capital project / new construction

Find the best-fit contractors

“Which commercial HVAC contractors in Michigan are best for office buildings and light industrial facilities?” ChatGPT · 10 Oct 2026

Best commercial HVAC contractors in Michigan ============================================

For office buildings and light industrial facilities in Michigan, I’d prioritize contractors with proven commercial service capabilities, preventive maintenance programs, 24/7 emergency response, and experience with equipment such as rooftop units (RTUs), boilers, chillers, air handlers, and building automation systems.

My shortlist would start with Friedman Mechanical, Air Handlers Service Corporation, Pro-Tech Mechanical Services, Allied Mechanical Services, and J.F. Jacobs. The best fit depends on whether you need routine office-building maintenance, a major mechanical upgrade, or support for an industrial facility where downtime affects production.

These are recommendations based on publicly described service capabilities, geographic coverage, and available business information—not an independently audited ranking of contractor performance.

Recommended contractors

1\. Friedman Mechanical

Farmington Hills · Southeast Michigan

Best overall for commercial office buildings and ongoing service

Offers commercial HVAC repair, maintenance, design-build, RTUs, boilers, chillers, cooling towers, VRF systems, and building automation integration. The company reports more than 35 years of commercial field experience, in-house technicians, and 24/7 emergency service.

Commercial HVAC Services in MI

Why shortlist it: A strong starting point for property managers who want one contractor for routine maintenance, equipment replacements, and emergency repairs.

248-636-2000

[friedmanmechanical.com](https://www.friedmanmechanical.com/)

2.

Air Handlers Service Corporation

----------------------------------------

Auburn Hills · Metro Detroit

Best for commercial facilities with complex mechanical systems

Serves commercial and industrial clients, with experience spanning HVAC equipment, boilers, process-related heating and cooling, and controls. Its maintenance program emphasizes planned service, priority response, and capital equipment planning.

google.com

Why shortlist it: Worth evaluating for multi-unit office buildings and light industrial properties that need a structured maintenance plan rather than strictly reactive repairs.

248-625-8913

3\. Pro-Tech Mechanical Services

Michigan · Lower Peninsula coverage advertised

Best for chiller work and broader multi-site service needs

Provides commercial HVAC repair, preventive maintenance, boiler and chiller service, equipment replacements, and commercial cooling support. The company advertises 24/7 emergency service and experience serving both smaller commercial buildings and larger industrial facilities.

Pro-Tech

+1

Why shortlist it: Particularly relevant if your facility has central plant equipment, large cooling systems, or multiple sites requiring consistent service.

[protechhvac.net](https://www.protechhvac.net/commercial-hvac-services/)

4.

Allied Mechanical Services, Inc.

----------------------------------------

Kalamazoo and Grand Rapids · West Michigan

Best for West Michigan commercial and industrial projects

An established mechanical contractor serving commercial, industrial, and institutional facilities. Its capabilities include HVAC service, mechanical construction, piping, hydronic systems, sheet metal, and energy-focused facility services, with a 24/7 service department.

google.com

+1

Why shortlist it: A good candidate when HVAC work overlaps with piping, mechanical-room upgrades, or larger facility construction projects.

Kalamazoo: 269-344-0191

Grand Rapids: 616-669-4800

5.

J.F. Jacobs, Inc.

-------------------------

Livonia · Southeast Michigan

Best for office-building maintenance and HVAC replacement

Provides commercial HVAC service for office buildings and corporate campuses, including rooftop units, boilers, heating and cooling repairs, preventive maintenance, retrofits, and emergency service. The company reports more than 45 years of experience.

J.F. Jacobs

Why shortlist it: A particularly relevant candidate for commercial property managers maintaining occupied offices and multi-tenant buildings.

248-476-7888

[jfjacobsinc.net](https://jfjacobsinc.net/industries/commercial-office-buildings/)

6.

De-Cal Mechanical Contractors

-------------------------------------

Warren · Michigan and regional coverage

Best for industrial-leaning, multi-trade mechanical work

Handles commercial, industrial, and institutional mechanical work, including HVAC, piping, controls, boilers, chillers, hydronic systems, and larger mechanical installations.

google.com

+1

Why shortlist it: Consider this firm when a light industrial project needs coordination across several mechanical trades, not just routine comfort cooling.

586-754-4370

Which contractor fits your facility?

| Your requirement

|

First contractors to contact

Office buildings and tenant comfort

|

Friedman Mechanical, J.F. Jacobs

|

|

Preventive maintenance and service agreements

|

Air Handlers, Friedman Mechanical

|

|

Chillers, boilers, and central HVAC plants

|

Pro-Tech, Air Handlers

|

|

Light industrial and manufacturing support

|

De-Cal, Allied Mechanical

|

|

West Michigan facilities

|

Allied Mechanical

|

|

Southeast Michigan portfolio

|

Friedman Mechanical, J.F. Jacobs

|

These are capability-based matches, not a guarantee that each contractor covers every city or equipment type. Confirm service coverage for your specific address.

Compare their locations

Michigan commercial HVAC contractors

Reset viewExpand map

Location map

How I would select the final three bidders

Before signing a service agreement, ask each contractor for:

  • Relevant references: Two or three comparable office or light industrial facilities they currently maintain.
  • Response commitments: Contractual response times for routine calls, urgent failures, and after-hours emergencies.
  • Maintenance scope: Equipment-specific inspection schedules, filter and belt changes, coil cleaning, combustion checks, and controls testing as applicable.
  • Technical coverage: Experience with your actual equipment brands, building automation system, chillers, boilers, and any process ventilation or make-up air equipment.
  • Cost transparency: Annual preventive-maintenance cost, hourly labor rates, overtime charges, parts markup, and exclusions.
  • Capital planning: A prioritized equipment-condition report and multiyear replacement forecast.

For Michigan projects, verify the contractor's applicable state licensing and insurance, and confirm that technicians handling refrigerants hold the required EPA Section 608 certification.

Let me narrow this to the best options for you

One important question: Where in Michigan are your buildings located? For example, Metro Detroit, Grand Rapids/West Michigan, Ann Arbor, Lansing, or statewide.

With that information, I can narrow the shortlist to contractors that are geographically suitable and better distinguish the firms suited to routine office HVAC from those equipped for light industrial service and larger mechanical projects.

“Which commercial HVAC contractors in Michigan are best for rooftop units and boiler systems?” ChatGPT · 10 Oct 2026

For commercial rooftop units (RTUs) and boiler systems in Michigan, I’d prioritize contractors with dedicated commercial or industrial service teams, experience with both packaged rooftop equipment and hydronic/steam heating, and preventive-maintenance and emergency-repair capabilities.

There isn’t one objectively best contractor for every facility. The right choice depends on whether you manage an office building, warehouse, manufacturing plant, school, healthcare facility, or multi-site portfolio. Based on the companies’ published service capabilities and regional coverage, these are the firms I’d put on a shortlist.

Best commercial HVAC contractors to consider

1. Friedman Mechanical

Farmington Hills · Southeast Michigan

Best overall for combined RTU and boiler service

  • Commercial-only focus, with rooftop units, boilers, controls, installation and preventive maintenance.
  • Advertises 24/7 emergency service and in-house technicians.
  • Good fit for offices, healthcare, industrial facilities and multi-tenant buildings.
    Commercial HVAC Services in MI
    +1

Phone: 248-636-2000

[Website](https://www.friedmanmechanical.com/)

2. D.J. McConnell Co.

Metro Detroit tri-county area

Best for steam boilers and older commercial buildings

  • Specializes in low-pressure boiler installation and steam/hydronic systems, including pumps and burners.
  • Also services RTUs, chillers, cooling towers and building controls.
  • Particularly worth considering for older buildings with steam heat or complicated mechanical systems.
    D.J. McConnell Co.
    +1

Phone: 586-752-5759

[Website](https://www.djmcconnell.com/)

3.

Samco Facilities Maintenance

------------------------------------

Livonia · Broad Southeast Michigan coverage

Best for multi-site facilities and bundled maintenance

  • Covers RTUs, boilers, chillers, refrigeration and building controls.
  • Offers scheduled maintenance, emergency response, retrofit installations and crane-lift coordination.
  • A strong candidate for retail chains, restaurants, industrial sites and property managers wanting one service provider.
    Samco FM
    +1

Phone: 734-838-6300

[Website](https://www.samcofm.com/)

4. Kalamazoo Mechanical, Inc.

Kalamazoo · Southwest Michigan

Best for Southwest Michigan facilities and boiler compliance

  • Services and replaces commercial boilers and rooftop units, along with chillers and cooling towers.
  • Specifically lists CSD-1 boiler inspections and preventive-maintenance programs.
  • Worth shortlisting for schools, healthcare, manufacturing and commercial properties in its 10-county service area.
    Kalamazoo Mechanical, Inc.
    +1

Phone: 269-343-5351

[Website](https://www.kalamazoomechanical.com/commercial)

5.

Adrian Mechanical Services

----------------------------------

Adrian · Southeast Michigan

Best for broader mechanical projects

  • Handles hot-water and steam boilers, rooftop units, air handlers, chillers and controls.
  • Offers design-build capabilities, maintenance plans and 24-hour emergency service.
  • A good option when HVAC work overlaps with piping or other mechanical construction.
    HVAC
    +1

Phone: 517-263-5025

[Website](https://www.adrianmechanical.com/hvac/)

6. Temperature Mechanics

Oakland County · Metro Detroit

Best additional option for RTUs and multi-property service

  • Advertises service for RTUs, boilers, chillers and several major commercial HVAC brands.
  • Highlights maintenance agreements for property managers and sourcing support for replacement parts.
  • Worth comparing for commercial office parks, retail and institutional properties.
    Commercial HVAC · Oakland County, Michigan

Phone: 248-755-3923

[Website](https://temperaturemechanics.com/)

How I would narrow the shortlist

| Your main requirement

|

Start with

RTUs and boilers under one maintenance contract

|

Friedman Mechanical

|

|

Steam boilers, burners and older hydronic systems

|

D.J. McConnell

|

|

Multiple commercial sites or bundled facility services

|

Samco

|

|

Southwest Michigan and boiler inspections

|

Kalamazoo Mechanical

|

|

New construction, piping or larger mechanical projects

|

Adrian Mechanical Services

|

|

Oakland County property portfolios

|

Temperature Mechanics

|

These are best-fit recommendations based on advertised capabilities, not a verified ranking of workmanship or customer satisfaction. I would obtain at least three quotes before selecting a contractor.

What to ask before awarding the work

  • Boiler qualifications: Do you service our exact boiler make, model and fuel type? Can you perform the applicable inspections and combustion testing?
  • RTU expertise: Can you handle our unit capacities, economizers, gas heat, controls and crane replacements?
  • Response time: Is emergency coverage genuinely available after hours, including during Michigan's winter heating season?
  • Maintenance scope: Are coil cleaning, burner tuning, filter changes, electrical checks, safety controls and written inspection reports included?
  • Cost and accountability: What are the labor rates, travel charges, parts markups, response-time commitments and warranty terms?

Let me narrow this down to the strongest local choices

Which part of Michigan is the facility in?

  1. Location

Metro Detroit / Southeast Michigan

Grand Rapids / West Michigan

Kalamazoo / Southwest Michigan

Lansing / Mid-Michigan

Northern Michigan

Multiple locations across Michigan

  1. Facility type

Office or commercial building

Industrial / manufacturing

School, healthcare or institutional

Retail, restaurant or multi-site portfolio

Warehouse or distribution center

3\. Primary scope

Both RTUs and boilers

Rooftop units primarily

Boilers primarily

Full system replacement or capital project

4\. Main priority

Reliable ongoing service and maintenance

Fast emergency response

Competitive pricing and lifecycle cost

Large installations and engineering capability

Find the best matches

“Which commercial HVAC contractors in Michigan offer 24/7 emergency service?” ChatGPT · 10 Oct 2026

Several commercial HVAC contractors in Michigan advertise 24/7 emergency service, including companies specializing in commercial buildings, industrial facilities, boilers, chillers, rooftop units, and commercial refrigeration.

Here are options verified against their published service information, grouped by service area so you can narrow the list to your facility.

Southeast Michigan and Metro Detroit

Samco Facilities Maintenance

Livonia · Southeast Michigan

Commercial HVAC, refrigeration, building automation, and food-service equipment. Advertises 24/7 emergency service across Wayne, Oakland, Macomb, and Washtenaw counties.

  • Phone: (734) 838-6300
  • Website: [samcofm.com](https://www.samcofm.com/)
    Samco FM
    +1

Friedman Mechanical

Farmington Hills · Southeast Michigan

Commercial-only contractor serving offices, healthcare, manufacturing, data centers, retail, and other facilities. Services include rooftop units, chillers, boilers, cooling towers, and controls, with a staffed 24/7 emergency dispatch center.

  • Phone: (248) 636-2000
  • Website: [friedmanmechanical.com](https://www.friedmanmechanical.com/)
    Commercial HVAC Services in MI

J.F. Jacobs, Inc.

Livonia · Metro Detroit

Specializes in commercial mechanical systems, including HVAC, commercial refrigeration, boilers, rooftop units, and preventive maintenance. Explicitly advertises 24/7 emergency commercial service.

  • Phone: (248) 476-7888
  • Website: [jfjacobsinc.net](https://jfjacobsinc.net/)
    J.F. Jacobs

Michigan Engineered Comfort Corporation (MECC)

Detroit and surrounding area

Commercial HVAC engineering, installation, service, ventilation, and hydronic/steam boiler systems. Its commercial service page advertises emergency coverage 24 hours a day, 7 days a week, 365 days a year.

  • Phone: (313) 535-4400
  • Website: [mecc1.com](https://www.mecc1.com/Commercial)
    Michigan Engineered Comfort Corporation

Crosswind Mechanical

Allen Park · Southeast Michigan

Commercial HVAC/R contractor handling rooftop units, boilers, make-up air systems, coolers, freezers, and ice machines. Advertises 24/7 emergency HVAC and refrigeration service.

  • Phone: (734) 322-8052
  • Website: [crosswindmechanical.com](https://www.crosswindmechanical.com/)
    Crosswind Mechanical

West Michigan and statewide Lower Peninsula

Pleune Service Company

Grand Rapids, Lansing, and much of the Lower Peninsula

Employee-owned commercial mechanical contractor serving industrial and commercial customers. Offers commercial HVAC, boiler installation and maintenance, equipment replacement, and 24/7/365 service coverage across much of the Lower Peninsula.

  • Grand Rapids: (616) 243-6374
  • Customer support: (616) 243-5434
  • Website: [pleuneservice.com](https://www.pleuneservice.com/)
    Pleune Service Company

Pro-Tech Mechanical Services

Lower Peninsula · Statewide service claims

Commercial and industrial HVAC contractor servicing commercial cooling, chillers, boilers, refrigeration, controls, and air balancing. Advertises around-the-clock emergency support and coverage throughout Michigan's Lower Peninsula.

  • Website: [protechhvac.net](https://www.protechhvac.net/)

Pro-Tech

River City Mechanical

Grand Rapids and West Michigan

Commercial, industrial, healthcare, and institutional mechanical contractor offering HVAC service, preventive maintenance, industrial piping, and a 24-hour emergency hotline.

  • Phone: (616) 785-1311
  • Website: [rivercitymech.com](https://rivercitymech.com/)
    River City Mechanical

ThermalNetics

East and West Michigan

Commercial and industrial HVAC service provider with a focus on healthcare, schools, manufacturing, and data centers. Advertises 24/7 emergency response, maintenance, and targeted arrival times under four hours for its emergency service.

  • Website: [thermalnetics.com](https://www.thermalnetics.com/)

Auburn Hills Michigan - ThermalNetics

Quick comparison

| Contractor

|

Best fit

|

Published emergency coverage

Samco Facilities Maintenance

|

Commercial HVAC and food-service refrigeration

|

24/7

|

|

Friedman Mechanical

|

Commercial-only, industrial and large facilities

|

24/7

|

|

J.F. Jacobs

|

Commercial HVAC, boilers, refrigeration

|

24/7

|

|

MECC

|

Commercial HVAC and steam/hydronic boilers

|

24/7/365

|

|

Crosswind Mechanical

|

Commercial HVAC/R and make-up air

|

24/7

|

|

Pleune Service Company

|

Large commercial and industrial systems

|

24/7/365

|

|

Pro-Tech Mechanical Services

|

Multi-site commercial operations

|

24/7

|

|

River City Mechanical

|

West Michigan commercial and institutional facilities

|

24-hour hotline

|

|

ThermalNetics

|

Healthcare, data centers, industrial facilities

|

24/7

|

These are companies advertising the relevant coverage, not a guarantee that every technician or equipment specialty is available immediately at every location. Confirm dispatch coverage, after-hours rates, and response times when calling.

Narrow the list to your needs

Which part of Michigan is your facility in? I can narrow this down to contractors that cover your area and handle your specific equipment.

Region

Southeast Michigan / Metro Detroit

West Michigan / Grand Rapids

Mid-Michigan / Lansing / Flint

Northern Michigan

Statewide / multiple facilities

Facility type

Industrial / manufacturing

Office / commercial building

Healthcare / institutional

Retail / restaurant

Data center / mission-critical

Equipment or service need

Rooftop units / chillers

Boilers / steam systems

Commercial refrigeration

Building automation / controls

General HVAC / unknown failure

Main priority

Fastest emergency response

Industrial expertise

Long-term maintenance contract

Multiple-site service coverage

Find the best matches

“What are the most reliable commercial HVAC contractors in Southeast Michigan?” ChatGPT · 10 Oct 2026

For commercial HVAC in Southeast Michigan, I’d prioritize contractors with a proven commercial service department, experienced technicians, preventive-maintenance programs, 24/7 emergency response, and the ability to support your specific equipment—not just companies that install residential furnaces and air conditioners.

For a business, warehouse, office building, manufacturing facility, or multi-site property, the most reliable contractor is usually the one with the right technical expertise and dependable service coverage for your equipment, rather than simply the lowest bidder.

My shortlist of commercial HVAC contractors

These are the companies I would contact first based on their advertised commercial capabilities, service coverage, maintenance offerings, and relevant technical experience. This is a practical shortlist, not a verified ranking of service quality; independent review histories and performance data are limited for some firms.

1. Friedman Mechanical

Farmington Hills · Commercial-only focus

My first call for ongoing service contracts, complex commercial HVAC systems, and projects that need one accountable contractor. The company advertises 35+ years of commercial experience, in-house technicians, 24/7 emergency response, building automation, and design-build services.

Commercial HVAC Services in MI

+1

Best for: Office buildings, healthcare, manufacturing, multi-tenant properties, and facilities needing maintenance plus capital-project support.

248-636-2000

[Official website](https://www.friedmanmechanical.com/)

2.

Air Handlers Commercial HVAC

------------------------------------

Auburn Hills · Commercial and industrial HVAC

An established option for commercial and industrial heating, cooling, refrigeration, installation, and preventive maintenance. Air Handlers says it has served Southeast Michigan since 1985 and emphasizes reducing unplanned failures through scheduled maintenance.

Air Handlers

Best for: Industrial facilities, commercial properties, equipment replacements, and planned maintenance.

248-625-8913

[Official website](https://www.airhandlers.com/)

3.

Samco Facilities Maintenance

------------------------------------

Livonia · HVAC, refrigeration, and facility service

Worth considering if you want one vendor for HVAC and related refrigeration or kitchen equipment. Samco advertises 24/7 emergency dispatch, preventive-maintenance programs, factory-certified service capabilities, and coverage across Wayne, Oakland, Macomb, and Washtenaw counties.

Detroit Commercial HVAC Experts

+1

Best for: Restaurants, retail chains, multi-location operators, and facilities that benefit from consolidated service.

734-838-6300

[Official website](https://www.samcofm.com/)

4.

De-Cal Mechanical Contractors

-------------------------------------

Warren · Full-service mechanical contractor

A strong candidate to evaluate for larger mechanical scopes beyond routine HVAC service. Its commercial and industrial capabilities include HVAC, piping, plumbing, controls, and complex mechanical systems. The business listing shows a 4.8/5 rating from 37 reviews, though that alone does not establish commercial HVAC service performance.

Best for: Industrial buildings, institutional facilities, major retrofits, and projects involving multiple mechanical trades.

586-754-4370

[Official website](https://www.decalmechanical.com/)

5. BC Ten Air

Southeast Michigan · HVACR maintenance

Another candidate for commercial HVAC and refrigeration maintenance, with advertised capabilities covering boilers, chillers, cooling towers, refrigeration, and emergency service. Its breadth makes it worth evaluating for facilities with varied mechanical equipment.

BC Ten Air

Best for: Commercial or industrial sites with boiler, chiller, refrigeration, and HVAC maintenance needs.

248-348-1360

[Official website](https://www.bctenair.com/)

Where they are located

Commercial HVAC contractors in Southeast Michigan

Reset viewExpand map

Map data is currently unavailable

How I would choose between them

| If your priority is…

|

Start with

Long-term commercial HVAC service and maintenance

|

Friedman Mechanical

|

|

Industrial HVAC and equipment reliability

|

Air Handlers

|

|

HVAC plus commercial refrigeration and kitchen equipment

|

Samco FM

|

|

Large mechanical projects, piping, and multiple trades

|

De-Cal Mechanical

|

|

HVACR plus electrical and controls support

|

BC Ten Air

|

How to verify reliability before signing

I recommend getting three proposals and comparing the following items:

  • Emergency response: Is a live dispatcher available 24/7? What response time is contractually guaranteed?
  • Technician qualifications: Ask about Michigan licensing, relevant manufacturer training, and experience with your specific equipment.
  • Preventive maintenance: Require a written equipment-by-equipment scope, visit frequency, inspection reports, and recommendations.
  • Pricing transparency: Clarify after-hours rates, travel charges, diagnostic fees, parts markups, and authorization limits.
  • References: Request two or three commercial customers with similar buildings or equipment, ideally customers who have used the contractor for several years.
  • Contract accountability: Review response-time commitments, exclusions, warranty terms, escalation procedures, and renewal clauses.

I would not rely on star ratings alone. For example, some contractors have relatively few online reviews, and customer satisfaction with residential work may not reflect performance on large commercial systems.

Let me narrow this down for your facility

What type of commercial property are you looking for a contractor for?

1\. Building type

Office or commercial property

Manufacturing or industrial

Warehouse or distribution center

Retail or restaurant

Healthcare or education

Multiple buildings or locations

2\. Main need

Preventive maintenance and repairs

Emergency service and uptime

Replacement or new construction

Building automation and controls

Boilers, chillers, or process cooling

3\. Location

Wayne County / Detroit / Livonia

Oakland County / Troy / Auburn Hills / Novi

Macomb County / Warren / Sterling Heights

Washtenaw County / Ann Arbor / Ypsilanti

Multiple counties

4\. Approximate building size

Under 20,000 sq. ft.

20,000–100,000 sq. ft.

Over 100,000 sq. ft.

Multiple buildings or not sure

Find the best-fit contractors

With those details, I can make a more useful shortlist focused on contractors suited to your facility rather than general HVAC companies.

“Who are the best commercial HVAC contractors in West Michigan?” ChatGPT · 10 Oct 2026

Best commercial HVAC contractors in West Michigan =================================================

If you're hiring for a commercial building, manufacturing facility, warehouse, school, healthcare facility, or retail property, I'd start with contractors that specialize in commercial and industrial mechanical systems, rather than companies primarily focused on residential heating and cooling.

Based on the companies' published capabilities, service coverage, and available local business information, these are the firms I'd put on a shortlist around Grand Rapids and the broader West Michigan market. This is a practical shortlist, not a definitive ranking based solely on customer reviews.

My top recommendations

1. Andy J. Egan Company

Best for large, complex commercial projects

Egan is an established West Michigan mechanical contractor offering design, fabrication, installation, and service for commercial, industrial, and institutional facilities. I'd consider them for major renovations, new construction, and projects requiring multiple mechanical trades.

DowntoBid

+1

Phone: 800-594-9244 · [Website](https://www.eganco.com/)

2.

Hurst Mechanical

------------------------

Best for industrial HVAC and refrigeration

A strong candidate for businesses needing commercial HVAC service, equipment replacement, refrigeration, and broader mechanical support. Particularly worth considering for facilities where equipment downtime affects operations.

google.cd

Phone: 616-784-4040 · [Website](https://www.hurstmechanical.com/)

3. Seaman's Mechanical

Best for multi-trade mechanical work

A long-established regional contractor covering HVAC, refrigeration, plumbing, electrical, and related mechanical systems. A useful option when a project needs coordinated work across several building systems.

PCDN

+1

Phone: 616-458-1544 · [Website](https://www.seamansmechanical.com/)

4.

River City Mechanical

-----------------------------

Best for institutional and industrial facilities

Offers commercial and industrial HVAC, preventive maintenance, piping, plumbing, and medical-gas-related services. Its published service area includes Grand Rapids, Muskegon, Holland, Zeeland, and other West Michigan communities.

River City Mechanical

Phone: 616-785-1311 · [Website](https://rivercitymech.com/)

5. Troost Service Company

Best for ongoing service and emergency response

A commercial-focused, locally owned contractor established in 1982. It advertises 24/7 service year-round, along with HVAC maintenance, repair, upgrades, ventilation, piping, and design-build engineering.

Troost Service

Phone: 616-735-3535 · [Website](https://troostservice.com/)

6.

Advantage Mechanical-Refrigeration

------------------------------------------

Best for combined HVAC, refrigeration, and plumbing

Worth evaluating for commercial, industrial, and institutional projects that need HVAC and refrigeration expertise alongside plumbing and piping. The company also advertises around-the-clock emergency service.

google.com

Phone: 800-269-1988 · Ask about [the company](https://www.google.com/search?q=Advantage+Mechanical-Refrigeration+Cedar+Springs+MI)

7. Level One HVAC

Best for commercial HVAC/R service and replacements

Serving West Michigan since 2004, Level One focuses on commercial and industrial HVAC and refrigeration, from emergency repairs to larger installation projects. A good additional bidder for maintenance and equipment-replacement work.

Level One HVAC

Phone: 844-616-4822 · [Website](https://levelonehvac.com/)

Other contractors worth getting a quote from

  • Allied Mechanical Services — Consider for fabrication-intensive commercial and industrial installations, ductwork, piping, and mechanical construction. Phone: 616-669-4800.
    google.com
  • Van Dyken Mechanical — Worth considering for design-build projects, custom fabrication, industrial systems, and ongoing mechanical service. Phone: 616-224-7030.
    google.com.mx
  • Service Professor — An additional option for commercial HVAC maintenance, repairs, and installation, particularly if you want to compare a service-oriented provider.
    Service Professor

Find the contractors around Grand Rapids

West Michigan commercial HVAC contractors

Reset viewExpand map

Map data is currently unavailable

How I'd choose the right one

The best contractor depends on the type of facility and the work involved.

| If your priority is…

|

Start with

Large new construction or major renovation

|

Andy J. Egan

|

|

Industrial HVAC and refrigeration

|

Hurst Mechanical

|

|

Multiple trades under one contractor

|

Seaman's Mechanical

|

|

Institutional systems and preventive maintenance

|

River City Mechanical

|

|

24/7 service and emergency coverage

|

Troost Service

|

|

Commercial HVAC and refrigeration combined

|

Advantage Mechanical-Refrigeration

|

|

Routine service and equipment replacement

|

Level One HVAC

|

Before awarding a contract, ask each finalist for comparable project references, technician coverage, emergency-response commitments, preventive-maintenance pricing, and proof of licensing and insurance. For larger projects, obtain at least three itemized proposals and compare the scope and exclusions, not just the bottom-line price.

Let me narrow this down for your situation

One question: What kind of commercial HVAC work are you looking to hire for?

  1. Type of work

Preventive maintenance and service contracts

Repairs and emergency service

Rooftop units, boilers, chillers, or system replacement

New construction or design-build

Industrial HVAC, process cooling, or refrigeration

  1. Facility type

Office or retail

Manufacturing or industrial

Warehouse or distribution center

Healthcare, school, or institutional

Multiple commercial properties

  1. Location

Greater Grand Rapids

Holland, Zeeland, or lakeshore

Muskegon and northwestern West Michigan

Kalamazoo or Battle Creek

All of West Michigan

  1. Approximate project size (optional)

Under $10,000

$10,000–$100,000

Over $100,000

Ongoing service contract; budget not set

Find the best-fit contractors

“Which commercial HVAC contractors in Michigan have the best preventive maintenance programs?” ChatGPT · 10 Oct 2026

For commercial HVAC in Michigan, I’d prioritize contractors that offer a structured preventive maintenance (PM) program—not just twice-yearly filter changes. The strongest programs combine scheduled inspections, documented equipment condition, proactive repairs, emergency response, and controls optimization to reduce downtime and energy costs.

The best fit also depends on your facility: a manufacturing plant with process-critical cooling has different requirements from an office building, school, hospital, or multifamily portfolio.

My shortlist: Michigan commercial HVAC PM contractors

I compared contractors based on their published maintenance scope, reporting, emergency support, equipment expertise, and geographic coverage. This is a best-fit shortlist based on publicly documented programs, not an independently verified statewide ranking.

1. ThermalNetics

Best for complex facilities

Auburn Hills and Grand Rapids · Statewide service

A strong candidate for healthcare, industrial and critical facilities. Its published program includes documented maintenance visits, factory-certified technicians, cooling-tower services and a stated four-hour response target for healthcare and critical facilities. It also emphasizes self-performing service rather than subcontracting.

ThermalNetics

Why it stands out: Technical depth and explicit emergency-response expectations.

[Website and service details](https://www.thermalnetics.com/service/)

2. Friedman Mechanical

Best for documented maintenance

Farmington Hills · Southeast Michigan

One of the more clearly specified PM programs I found. It describes written technician reports, prioritized action items, condition trending, controls calibration, safety testing, and customizable monthly, quarterly or semiannual visits. Priority dispatch and consistent technicians are also part of its stated offering.

Friedman Mechanical

+1

Why it stands out: Strong visibility into equipment condition and a maintenance plan tailored to the facility.

[View preventive maintenance program](https://www.friedmanmechanical.com/commercial-hvac-preventive-maintenance)

3.

Samco Facilities Maintenance

------------------------------------

Livonia · Metro Detroit and Southeast Michigan

A good option for businesses that want HVAC, refrigeration and food-service equipment support from one provider. Its published PM options include monthly and quarterly programs, scheduled inspections, filter replacement, belt and component checks, and performance reports. It also advertises 24/7 emergency service.

Samco FM

Why it stands out: Broad equipment coverage for restaurant groups, retail operations and facilities with refrigeration needs.

[Website and maintenance options](https://www.samcofm.com/)

4.

Pro-Tech Mechanical Services

------------------------------------

Michigan Lower Peninsula · Commercial HVACR

Offers a detailed seasonal maintenance program covering electrical connections, airflow, pumps, motors, belts, coils, refrigerant checks, burners and combustion analysis. Customers on maintenance agreements are offered priority service and discounts on parts and service.

Pro-Tech

Why it stands out: A concrete, equipment-level checklist for conventional commercial HVAC systems.

[View PM plan details](https://www.protechhvac.net/preventative-maintenance/)

5.

Air Handlers Service Corporation

----------------------------------------

Auburn Hills · Metro Detroit and Southeast Michigan

Worth evaluating for facilities that want PM tied to longer-term equipment planning. Its advertised Predictable HVAC program includes scheduled maintenance, priority response, discounted labor and parts, and an annual HVAC capital-planning report.

google.com

Why it stands out: Connects day-to-day maintenance with budgeting for equipment replacement.

[Company information](https://www.airhandlers.com/)

6. D.J. McConnell Co.

Metro Detroit tri-county area

Particularly relevant for older buildings with steam or hydronic heating, boilers, pumps, cooling towers, chillers and air handlers. The company offers custom preventive maintenance agreements and building-management controls services.

D.J. McConnell Co.

Why it stands out: Specialized mechanical-system experience for buildings where boiler and hydronic maintenance matter as much as rooftop units.

[Company website](https://www.djmcconnell.com/)

How I'd choose between them

| Your facility or priority

|

First contractors I'd contact

Hospital, critical cooling or industrial plant

|

ThermalNetics; Air Handlers

|

|

Office buildings or commercial property portfolio

|

Friedman Mechanical; Air Handlers

|

|

Restaurants, grocery or refrigeration-heavy retail

|

Samco Facilities Maintenance

|

|

Standard rooftop units and seasonal HVAC maintenance

|

Pro-Tech Mechanical; Friedman Mechanical

|

|

Older buildings with boilers, steam or chilled-water systems

|

D.J. McConnell; ThermalNetics

|

|

Multiple facilities across Michigan's Lower Peninsula

|

Pro-Tech Mechanical; ThermalNetics

|

What separates a truly excellent PM program?

Before awarding a contract, I'd ask each finalist to provide its actual maintenance checklist and sample service report. Specifically, compare these six things:

01

Maintenance frequency

A documented asset-by-asset schedule, not just a generic spring and fall visit.

02

Condition reporting

Inspection readings, deficiencies, severity ratings, photos and recommendations tracked between visits.

03

Predictive maintenance

Where appropriate, vibration analysis, infrared inspections, refrigerant or oil analysis, and trend monitoring.

04

Controls and energy

Building automation checks, schedules, sensor calibration, simultaneous heating/cooling and efficiency opportunities.

05

Emergency SLA

Contractual response targets, after-hours coverage, escalation procedures and clear definitions of response time.

06

Lifecycle planning

An equipment register, condition ratings, repair-versus-replace recommendations and a rolling capital forecast.

One important distinction: a contractor's published service description demonstrates what it offers, not necessarily how well it performs. I would request two comparable customer references, sample PM reports, technician staffing information, and written response-time commitments before making a final selection.

I can narrow this down to the best three for your facility

The most useful next step is to match the contractor to your building type and equipment.

Optional details — use whatever you know.

1\. Where in Michigan?

Southeast Michigan / Detroit

West Michigan / Grand Rapids

Mid-Michigan / Lansing

Northern Michigan

Statewide / multiple regions

2\. What kind of facility?

Office / commercial buildings

Manufacturing / industrial

Healthcare / laboratory

School / university / government

Retail / restaurant / refrigeration

Mixed-use / multiple property types

3\. Primary equipment

Rooftop units (RTUs) and split systems

Chillers, boilers and cooling towers

Building automation / complex HVAC

Mixed equipment / not sure

4\. Most important outcome

Reliability and fewer breakdowns

Lower maintenance and energy costs

Reporting, compliance and accountability

Predictive maintenance and capital planning

5\. Number of buildings

One building

2–10 buildings

More than 10 buildings

Find my top three contractors

“Which family-owned or locally owned commercial HVAC contractors in Michigan do facility managers trust?” ChatGPT · 10 Oct 2026

If I were building a shortlist of commercial HVAC contractors in Michigan for a facility manager, I’d prioritize locally owned or family-owned firms with in-house service technicians, preventive maintenance programs, commercial building experience, and the ability to respond when equipment fails outside business hours.

Ownership is only one part of the decision. For a commercial facility, the best contractor is usually the one that consistently delivers reliable service, communicates clearly, documents work, and helps reduce lifecycle costs—not just the one with the lowest bid.

Here are the Michigan companies I’d investigate first, with an emphasis on established local operators rather than large national service chains.

Michigan commercial HVAC contractors to shortlist

These are promising candidates based on their stated local ownership, commercial service capabilities, operating history, and maintenance offerings. This is a research-based shortlist, not a verified ranking of facility-manager satisfaction.

1. Samco Facilities Maintenance

Livonia · Southeast Michigan

Best for: Multi-site facilities, commercial refrigeration, and food-service operations.

Family-owned since 1997, Samco says it serves more than 500 facilities and employs its own technicians. Its offerings include preventive maintenance, commercial HVAC/R, and 24/7 emergency dispatch. A good candidate if you want one provider for several types of facility equipment.

Detroit Commercial HVAC Experts

734-838-6300

[Website](https://www.samcofm.com/)

2.

J.F. Jacobs, Inc.

-------------------------

Livonia · Metro Detroit

Best for: Commercial buildings, industrial facilities, schools, and refrigeration-dependent businesses.

A family-owned and locally operated contractor dating to 1980. Its stated services include rooftop units, boilers, refrigeration, preventive maintenance, equipment replacement, and 24/7 emergency service. Particularly worth considering for a facility that needs commercial mechanical expertise rather than primarily residential HVAC service.

Commercial HVAC Livonia & Southeast Michigan

+1

248-476-7888

[Website](https://jfjacobsinc.net/)

3.

Temperature Mechanics

-----------------------------

Bloomfield Hills · Oakland County and Metro Detroit

Best for: Commercial property managers and ongoing service relationships.

Founded in 1986 by Steve Dzierbicki, this locally established contractor focuses on commercial HVAC, preventive maintenance, rooftop units, boilers, and chillers. Its published experience with commercial property management, retail, healthcare, and institutional buildings makes it worth screening for recurring service contracts.

Commercial HVAC · Oakland County, Michigan

248-755-3923

[Website](https://temperaturemechanics.com/)

4. Peerbolt's, Inc.

Zeeland · West Michigan

Best for: West Michigan facilities needing maintenance and larger mechanical projects.

A fourth-generation, family-owned contractor with more than 75 years of experience, according to the company. It handles commercial and industrial systems, including chillers, boilers, rooftop units, air handlers, and refrigeration, and advertises 24/7 emergency assistance.

HVAC Services

616-931-0010

[Website](https://www.peerbolts.com/)

5.

Level One HVAC Services

-------------------------------

New Hudson · Southeast, West, and Northern Michigan

Best for: Industrial HVAC/R and facilities with a broader geographic footprint.

Family-owned and operated, with a history dating to 2004. The company describes commercial and industrial service, preventive maintenance, refrigeration, emergency repairs, and mechanical construction. Its locations in New Hudson, Grand Rapids, and West Branch are worth investigating if you manage buildings in multiple Michigan regions.

Level One HVAC

248-486-6500

[Website](https://levelonehvac.com/)

6.

Pro-Tech Mechanical Services

------------------------------------

Michigan Lower Peninsula

Best for: Facilities needing 24/7 coverage and specialized mechanical services.

Family-owned since 2005, according to its company materials. Its commercial offerings include preventive maintenance, controls, air balancing, boiler and chiller inspections, refrigeration, and emergency repairs. Ask the company to confirm actual dispatch coverage and response commitments for your specific site.

Pro-Tech

+1

[Website](https://www.protechhvac.net/)

7\. K.T. Group, Inc.

Southeast Michigan

Best for: Commercial facilities looking for a local, family-owned service partner.

Offers commercial HVAC installation, maintenance and repair, along with chiller and refrigeration service. Its stated service area includes Troy, Rochester Hills, Sterling Heights, Ann Arbor, and surrounding communities. A useful additional bidder for Southeast Michigan maintenance contracts.

KT Group, Inc.

[Website](https://ktgroupinc.net/commercial-hvac/)

8\. W. Soule & Co.

Southwest Michigan and broader regional service

Best for: Complex industrial mechanical systems and larger projects.

A long-established contractor whose roots date to 1946 as a family-owned piping business. Its service group handles commercial and industrial HVAC and plumbing, preventive maintenance, specialized repairs, and emergency service. Particularly relevant for facilities that need more than routine rooftop-unit maintenance.

wsoule.com

[Website](https://www.wsoule.com/)

Which contractors would I contact first?

I'd narrow the list based on the type of facility you manage:

| Facility requirement

|

First calls I'd make

Multi-site portfolio or commercial refrigeration

|

Samco, Level One

|

|

Office buildings and property management

|

J.F. Jacobs, Temperature Mechanics

|

|

West Michigan commercial properties

|

Peerbolt's, W. Soule

|

|

Industrial plant or complex mechanical systems

|

W. Soule, Level One

|

|

Southeast Michigan maintenance contract

|

J.F. Jacobs, K.T. Group, Samco

|

These are suggested starting points based on their stated services and experience, not independently verified performance rankings.

How to tell which contractor facility managers actually trust

Before awarding a maintenance agreement, I'd ask each contractor for:

  • Three comparable references: Facility managers with buildings of similar size, complexity, and operating hours.
  • Documented emergency performance: Actual after-hours response history, not just a 24/7 phone number.
  • Technician continuity: Whether you will see the same technicians familiar with your equipment.
  • Maintenance reporting: Equipment condition, deficiencies, recommended repairs, and capital replacement forecasts after each inspection.
  • Ownership and staffing details: Who owns the company, how many technicians are employees versus subcontractors, and who is accountable for your account.
  • Contract transparency: Labor rates, overtime charges, exclusions, parts markups, and guaranteed response times.

A strong reference question is: “If this contractor made a mistake or your building lost heating or cooling at 2 a.m., how did they handle it?” The answer often reveals more than an online star rating.

Let’s narrow this to the right Michigan market

Which part of Michigan are your facilities in? That matters because a locally owned contractor with technicians nearby can be a much better partner than a larger firm with nominal statewide coverage.

How AI Rankings work

Real answers, counted

We asked ChatGPT (web search on, United States) each of the 8 buyer questions 3 times: 24 answers, collected 10 Oct 2026.

Answer Share is the share of those answers that name a company at least once. Answer Rank is where the company shows up when it is named (#1 = named first), averaged. Question Reach is how many of the buyer questions it appears for.

On the Answer Map, the lines cross at 50% Answer Share and Answer Rank #3. Leaders are named in at least half the answers and near the top; Niche Picks are named less often but early; Recognized are named often but further down; On the Radar are named some of the time, further down. These labels describe ChatGPT's answers, not company quality.

Every company listed was matched to its own website by written rules and automated checks; some identity matches are reviewed by our team. Names we could not match to a real business are left out. No company is added, removed or reordered to favour anyone, and no company can pay to appear.

Other markets

Commercial HVAC Contractors: zoom in or out

ChatGPT names different companies nationwide, statewide and city by city.

Cities in Michigan

Detroit, MIGrand Rapids, MIAnn Arbor, MIKalamazoo, MI

Other states

PennsylvaniaCaliforniaOhioIllinoisIndianaMarylandNew JerseyVirginiaWashington, DCNew YorkFloridaMassachusettsMinnesotaWisconsinConnecticutRhode IslandTexas

Highlighted markets are live. The rest are on the weekly tracking schedule.