Too new to score (29): Premier Furnace Specialists, Inc. · 24 Hour Cooling and Heating · Furnace Repair Livonia MI · Phoenix Air Conditioning & Heating · The Farmington Furnace Repair Guys · Aj Danboise Plumbing Heating Cooling · Richway Heating and Cooling · Ingersoll Mechanical LLC · Duffy's Heating & Air Conditioning · Krane Heating & Cooling, Inc. · Slasor Heating & Cooling · Friedman Mechanical · Alexanders Universal Services Inc · Dave's Here Man Heating & Cooling · Heating & Cooling Services · Tempco Mechanical Contractors, Inc. · Rush Mechanical, LLC · Don's Expert Services Inc · Right Way Heating and Cooling · Mrs. Michael HVACTechnicians · Pure Heating & Cooling LLC · Thompson Heating and Cooling · overheaddoorrepairmen · Blue Ray Mechanical Inc · JMN Mechanical Inc · EnergyMaster · Prime Cooling & Heating · Heating and Cooling · Carrier Building Systems & Services. Fewer than 5 reviews each.
Also nearby, not scored yet (11): USA STARS Heating & Cooling · Father and Son Heating and Cooling, Inc. · Witt Mechanical, Inc · RT HVAC LLC · BC Ten Air · Lyon Mechanical · Buckley Mechanical Heating Cooling & Refrigeration LLC · All-City Mechanical · Perfect Comfort Systems · Furnace Replacement Pros of Novi · Farmington Hills HVAC Services. We score the 50 most-reviewed HVAC companies within 7 miles; these have 5 or more reviews but fewer than the cut.
Not scored (1): Harrell Heating and Cooling. We couldn't read their reviews yet.
Named, not scored (23): K&F Auto Repair European/Domestic Bmw MercedesAudiRoverCooper&PorscheTaslaHonda,NissanToyotaHyundai GM Ford Chry (auto repair shop) · Top Lube Center (oil change service) · Hartford & Ratliff Co Inc (plumber) · Sears Appliance Repair (appliance repair service) · Osburn Services Inc (electric generator shop) · Alpha & Omega Services (chimney services) · Ecotelligent Homes (insulation contractor) · Home Services at The Home Depot (general contractor) · Radiant Energy Systems Inc (heating equipment supplier) · Bobson Construction Co. (general contractor) · Sears Carpet Cleaning & Air Duct Cleaning (carpet cleaning service) · Power Vac of Michigan (septic system service) · United Rentals - Power & HVAC (energy equipment and solutions) · Exotic Automation - Headquarters & ParkerStore (hydraulic equipment supplier) · AG-Gas Service (mechanical contractor) · HD Supply (hardware store) · Halo Programs (software company) · Trane Supply (heating equipment supplier) · A-1 Radiator Sales & Service LLC (auto radiator repair service) · Crawford Contracting & Masonry (contractor) · BeaverMatic (industrial equipment supplier) · Carrier Commercial Service (air conditioning system supplier) · GEM Energy (energy equipment and solutions). Google lists them under hvac as a side trade; their main trade is in brackets. We only score companies whose main category on Google is hvac; a company can change that on its Google profile.
49 HVAC companies within 7 miles of Novi, Michigan made this list, led by Thornton & Grooms with a Referrally Score of 88, followed by Mrs. Michael Plumbers, Electricians, AC & Furnace Repair and AJ Danboise. Together they hold 9,849 Google reviews, and 19 of 49 have an active Michigan mechanical contractor license on file. Novi is in Oakland County; the circle also takes in Novi Township, Northville, Northville Township, Northville Twp, Walled Lake, Wixom.
Looking for heating and cooling companies, furnace and air conditioning repair or HVAC contractors near Novi? They are all here. A company is listed as an HVAC company when Google lists that as its main trade; the same formula scores every one of them, and the full Michigan coverage is one click away.
Across 9,849 reviews, the praise clusters around friendly crew, on time / fast, would recommend. Harriman Heating & Air Conditioning is recommended by name most often, in 156 reviews.
- Friendly crew 4,070
- On time / fast 2,813
- Would recommend 2,096
- Quality work 1,679
- Air conditioning 1,612
- Furnace 1,438
Thornton & Grooms ranks first with a Referrally Score of 88 out of 100, built from 16,256 Google reviews averaging 4.9 stars. Mrs. Michael Plumbers, Electricians, AC & Furnace Repair and AJ Danboise round out the top three. The score weighs seven public signals, and no company can pay to move up.
19 of the 49 scored HVAC companies match an active Michigan mechanical contractor license by name or license number. Many companies hold their license under a different legal name; those show as pending rather than unlicensed until the match is confirmed.
Every company gets a score out of 100 from the same seven public signals: Google rating adjusted for review count, review volume, new reviews in the last year, the rating over the last two years, Michigan license and record, how the owner responds to reviews, years in business, and review patterns. The full method is on the How we rank page. How we rank.
The list takes in every HVAC company based within 7 miles of Novi, which includes Novi Township, Northville, Northville Township, Northville Twp, Walled Lake, Wixom, Farmington Hills, Farmington, Lyon Township, New Hudson. Companies based farther out are named below the list, not scored.
This list was generated on October 27, 2026; reviews were read on October 27, 2026 and licenses checked on October 27, 2026. Every card shows its own dates.