The 9 Best hvac companies in Dearborn, MI

Last updated September 20, 2026 · ranked from 230 Google reviews · How we rank

This guide to HVAC companies in Dearborn, MI brings together entries with Google ratings ranging from 3.5 to 5 stars and review counts ranging from 13 to 61. Williams Brothers AC and Heat has a 4.9-star rating from 37 reviews, while A&A mechanical HVAC heating and cooling holds 4.8 stars from 28 reviews. Dearborn Heating & Cooling Inc. has the largest review count among the supplied entries, with 61 reviews and a 4.5-star rating. Heating and Cooling Dearborn has 3.5 stars from 13 reviews. These figures offer a specific starting point for comparing the listed companies in Dearborn, MI.

1. 1

   Masterfix

   5.0(32)· Google5.0 out of 5 from 32 reviews (Google rating)

   HVAC contractor

   Open now · closes 12:00 AM

   Round-the-clock listed hours, installation and repair offerings, and a 5-star Google rating from 32 reviews put Masterfix at rank 1. Based on Michigan Avenue in Dearborn, MI, the company handles residential and commercial HVAC work alongside plumbing, electrical, and renovation services. Reviewers describe punctual arrivals, respectful service, and good workmanship; one specifically reports an on-time midnight visit. The company also describes its team as certified, licensed, and insured, adding another practical point for property owners comparing providers.

   • Open 24 hours
   • Installation and repair
   • Residential and commercial

   “Excellent work and great customer service”

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2. 2

   Williams Brothers AC and Heat

   4.9(37)· Google4.9 out of 5 from 37 reviews (Google rating)

   HVAC contractor

   Closed today

   Straightforward diagnostics and installation work help Williams Brothers AC and Heat earn the No. 2 spot in Dearborn, MI. One reviewer describes a technician identifying a thermostat setting issue and explaining how the controls worked; another reports simple scheduling and an on-time arrival for an AC capacitor repair. Reviews also cover furnace repairs and installation of new AC and furnace systems. Its 4.9 Google rating across 37 reviews and listed 24-hour Monday-through-Saturday hours add to the reasons for its placement.

   • Installation and repair
   • Clear thermostat guidance
   • 24-hour Monday–Saturday hours

   “Adding my own 5-star feedback for Greyson and the team for furnace repair service. If your furnace is acting up or your heating system needs attention, make the call. Greyson is a licensed HVAC contractor who is very professional in ever…”

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3. 3

   Reputable Services INC

   4.9(45)· Google4.9 out of 5 from 45 reviews (Google rating)

   HVAC contractor

   Open now · closes 8:30 PM

   Prompt responses and clear communication support Reputable Services INC’s No. 3 ranking among HVAC companies in Dearborn, MI. One reviewer describes a prompt visit for an urgent A/C problem, while another reports a same-day visit for furnace issues and step-by-step explanations. The company holds a 4.9 Google rating from 45 reviews and lists installation, repair, on-site service, and online estimates. Posted hours of 7 a.m. to 8:30 p.m. every day provide evening and weekend options for arranging service.

   • Online estimates
   • Daily evening hours
   • Clear communication

   “Very communicative and very easy to schedule with! My tenant had an urgent need to get the A/C fixed and Brandon came out promptly to ensure it was addressed. I’m more than happy to grateful he was able to help us out even though it wa…”

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4. 5

   A&A mechanical HVAC heating and cooling

   4.8(28)· Google4.8 out of 5 from 28 reviews (Google rating)

   HVAC contractor · 3.4 mi

   Open now · closes 12:00 AM

   Round-the-clock listed hours and reviews describing quick repairs earn A&A mechanical HVAC heating and cooling the No. 5 spot in this Dearborn, MI guide. The company installs and services residential and commercial HVAC equipment, including forced-air systems, mini-splits and boilers. One repeat customer reported a visit within an hour after heating stopped during a winter storm; others praised furnace repair, thorough work and customer service. Its 4.8-star Google rating across 28 reviews adds support to that service record.

   • Open 24 hours
   • Residential and commercial
   • Mini-splits and boilers

   “Absolutely amazing service he fixed everything so fast and adequately I would definitely recommend”

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5. 6

   System Pros Heating & Cooling

   5.0(14)· Google5.0 out of 5 from 14 reviews (Google rating)

   Air conditioning contractor · Detroit · 2.9 mi

   Open now · closes 12:00 AM

   Saturday help with a commercial unit and next-day AC repair stand out in customer reviews of System Pros Heating & Cooling. Those accounts, alongside a 5-star Google rating from 14 reviews, support its No. 6 position in this Dearborn, MI guide. The Detroit-based company states that it serves Wayne County and handles furnace and air conditioning repairs. Listed hours are open around the clock daily, while other reviewers describe an on-time furnace installation and a positive tankless water heater installation experience.

   • 24-hour listed hours
   • Furnace and AC repairs
   • Saturday service reported

   “Outstanding Experience with System Pro Heating & Cooling – Navien Tankless Water Heater Installation I recently had System Pro Heating & Cooling install a Navien tankless water heater, and I couldn’t be more pleased with the entire expe…”

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6. 7

   Dearborn Heating & Cooling Inc.

   4.5(61)· Google4.5 out of 5 from 61 reviews (Google rating)

   HVAC contractor

   Closed today

   Boiler work alongside HVAC installation and repair earns Dearborn Heating & Cooling Inc. the No. 7 spot. Based on Greenfield Road in Dearborn, MI, the company sells, services, and installs equipment for homes and light commercial properties. Its 4.5-star Google rating across 61 reviews is supported by accounts of prompt furnace repairs, clear explanations, and repeat service visits. One reviewer describes a quick return when a furnace stopped working again. Online estimates and onsite services round out its listed options.

   • HVAC and boilers
   • Online estimates
   • Residential and commercial

   “The absolute best people! They came out to fix a problem with my furnace about a month ago. My furnace stopped running again yesterday and it got really cold in the house. I called them today and they came right out and fixed the prob…”

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7. 8

   Heating and Cooling Dearborn

   3.5(13)· Google3.5 out of 5 from 13 reviews (Google rating)

   HVAC contractor

   Open now · closes 7:00 PM

   Seven-day hours and heating and cooling repair and installation put Heating and Cooling Dearborn at No. 8. Located at 5320 Oakman Blvd in Dearborn, MI, it serves residential and commercial properties and lists 20 years of experience. Positive reviewers describe same-day AC repairs and a replacement system installed within two days. Its 3.5-star Google rating across 13 reviews also includes complaints about installation problems and follow-up. Weekday hours run from 7 a.m. to 8 p.m., with weekend hours from 9 a.m. to 7 p.m.

   • Open seven days
   • Residential and commercial
   • Repairs and installation

   “Our old unit finally gave out. Heating and Cooling Dearborn provided a quick estimate and installed a new system within two days. Their staff was friendly and helpful throughout the process. Everything works great now. Can’t thank them e…”

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