Last updated September 19, 2026 · ranked from 575 Google reviews · How we rank
This guide to HVAC companies in Royal Oak, MI starts with Comfort Zone Heating and Cooling, ranked first with a 4.8 Google rating from 403 reviews—the largest review count among the supplied entries. Royal Oak Heating & Air Conditioning also holds a 4.8 rating, based on 17 reviews. Heating & Cooling Oakland County has a 5.0 rating from nine reviews, while American Heating & Air Conditioning has a 4.2 from five. These figures give readers a concrete starting point for comparing ratings alongside review volume. Smartway AC & Heating has no supplied rating or review count. Cochrane Supply & Engineering and Ground Up Appliance Repairs and Installations: placement unjustified by the supplied facts.
Top picks at a glance
1Comfort Zone Heating and CoolingComfort Zone Heating and Cooling repairs and replaces furnaces, boilers, air conditioners and heat pumps, with listed round-the-clock hours.
3Ground Up Appliance Repairs and InstallationsGround Up Appliance Repairs and Installations services furnaces, heaters, central air conditioning and tank-type water heaters in Royal Oak, MI.
4.8(403)· Google4.8 out of 5 from 403 reviews (Google rating)
HVAC contractor
Open now · closes 12:00 AM
A 4.8 Google rating across 403 reviews, broad HVAC services and listed round-the-clock hours earn Comfort Zone Heating and Cooling the No. 1 spot in Royal Oak, MI. The family-owned, licensed and insured company repairs and replaces furnaces, boilers, air conditioners and heat pumps, and handles ductless systems. Reviewers describe fast AC replacement, a repair completed in pouring rain and helpful answers to questions. Maintenance services and water heater work add practical options for homeowners managing several systems.
Open 24 hours
Licensed and insured
Heating and cooling
“Mill & Steve helped us out in a crunch. We bought a new house and within months of moving in quickly discovered we needed a new AC condenser. We used them and they were fast and fairly priced. While installing the AC unit, they inspected…”
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4.8(45)· Google4.8 out of 5 from 45 reviews (Google rating)
HVAC contractor · Madison Heights · 2.2 mi
Closed today
Building automation expertise earns Cochrane Supply & Engineering the No. 2 spot in this Royal Oak, MI guide. Founded in 1967 and located on Stephenson Highway in Madison Heights, the supplier carries HVAC controls and other building-system products for commercial and industrial facilities. Technical support and controls training complement its inventory. Reviewers praise the hardware and software selection and staff who discuss project needs in detail. Its Google rating is 4.8 from 45 reviews, though one reviewer reported payment delays and a canceled training course without notice.
Building automation controls
Technical support
Commercial HVAC products
“Cochrane Supply & Engineering is one of the best resources for Building Controls technology. They have an extensive line card of hardware products and software solutions. The staff at Cochrane are the best in the industry. I highly recom…”
4.5(96)· Google4.5 out of 5 from 96 reviews (Google rating)
Appliance repair service
Closed today
Furnace, heater and central air-conditioning service puts Ground Up Appliance Repairs and Installations at No. 3, supported by a 4.5-star Google rating from 96 reviews. Based on N Main Street in Royal Oak, MI, the independent business handles residential HVAC and tank-type water heaters alongside household appliance repairs. Reviewers describe clear pricing, quick responses and good communication on appliance jobs. Onsite visits require appointments, with same-day or next-day service offered when possible and Saturday hours from 10 a.m. to 3 p.m.
Residential HVAC service
Saturday appointment hours
Onsite repairs
“I am so pleased with Ground Up Appliance! Professional, knowledgeable, reasonably priced and timely! We have a Samsung front loader that wasn't draining. James came out quickly figured out the issue and replaced failed pump! I will u…”
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4.8(17)· Google4.8 out of 5 from 17 reviews (Google rating)
HVAC contractor
Closed · opens 9:00 AM
A smooth furnace installation and a patient explanation of air-filter MERV ratings stand out in reviews of Royal Oak Heating & Air Conditioning. Those specific accounts, alongside a 4.8 Google rating from 17 reviews, support its No. 4 ranking. Located at 108 W 2nd St in Royal Oak, MI, the company lists home heating services, air conditioning installation, and repairs. Its listed hours run until 8 p.m. on weekdays, with Saturday and Sunday hours from 9 a.m. to 7 p.m.
Furnace installation feedback
Air conditioning repairs
Weekend hours listed
“Fred was very professional and friendly! He does an amazing job and gets in and out. He is very honest with you and has a great working crew with him as well. I definitely would recommend him and will be using him for the future.”
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5.0(9)· Google5.0 out of 5 from 9 reviews (Google rating)
HVAC contractor · Ferndale · 1.9 mi
Closed · opens 9:00 AM
Clear explanations and attentive repair work put Heating & Cooling Oakland County at No. 5 in this Royal Oak, MI guide. Reviewers describe technicians answering questions, explaining findings and accommodating an appointment change. One customer specifically mentions home furnace and air conditioner work. Based on Hilton Road in Ferndale, the company lists installation and repair services, with hours seven days a week. Its 5-star Google rating across nine reviews complements those specific accounts of thorough service.
Installation and repair
Seven-day hours
Clear repair explanations
“Yesterday Jeff came out to repair my heater and he was very fantastic! He is very knowledgeable, friendly, dedicated, with a keen attention to detail. He cared more about my heating system than I did which is the highest compliment I can…”
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4.2(5)· Google4.2 out of 5 from 5 reviews (Google rating)
HVAC contractor · Madison Heights · 2.2 mi
Closed · opens 9:00 AM
Heating installations, air conditioning services and repair work give American Heating & Air Conditioning a practical scope for homes and businesses. It earns rank 6 on this Royal Oak, MI list with a 4.2 Google rating from five reviews and customer comments praising knowledge, professionalism, reliability and fair pricing. Listed hours extend to 8 p.m. on weekdays, with weekend hours available as well. Its listed address is 160 12 Mile Rd in Madison Heights, MI.
Heating installations
Repair services
Weekend hours
“The Lady Ann, hung up and couldn't understand English”
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Daily hours from 7 a.m. to 9 p.m. give Smartway AC & Heating a concrete reason for its No. 8 placement among HVAC companies in Royal Oak, MI. Its listed offerings cover both installation and repair, and its website includes a dedicated Royal Oak, MI page. The business lists its address at 26657 Woodward Ave #267 in Huntington Woods. The same published hours apply throughout the week, including Saturday and Sunday.
Ratings and review counts shown are Google ratings, displayed with attribution.
How we ranked this list
Each hvac company is scored on a Bayesian-weighted rating (its rating adjusted for how many reviews it has compared with the Royal Oak category average), how recently we verified its details, and how complete its listing is. Scores and ranks are stored, so the order only changes when the underlying data changes.
Which HVAC companies in this Royal Oak, MI guide have the highest Google ratings?
Roman Empire Heating and Cooling and Empire Heating & Cooling Inc both have 5.0 ratings, based on 38 and two reviews respectively. Total Temp Heating and Cooling follows with a 4.9 rating from 57 reviews.
Which HVAC company has the most reviews in the Royal Oak, MI guide?
Done Heating & Cooling, LLC has the most, with 100 Google reviews and a 4.8 rating. Beyer Heating has 83 reviews and a 3.9 rating; Total Temp Heating and Cooling has 57 reviews and a 4.9 rating.
Which listed HVAC companies have addresses on E 9 Mile Rd?
Ferndale Heating & Cooling is at 1469 E 9 Mile Rd in Ferndale, and Beyer Heating is at 1880 E 9 Mile Rd in Ferndale. Done Heating & Cooling, LLC is at 2113 E 9 Mile Rd in Warren.
Which companies in the Royal Oak, MI guide have websites?
Total Temp Heating and Cooling lists https://totaltempmi.com/ and can be reached at 586-612-0893. Beyer Heating lists http://beyerheating.com/ and can be reached at 248-398-4015.
How can I contact the listed HVAC companies in Madison Heights?
Call Empire Heating & Cooling Inc at 248-399-9245 for its 1119 E 10 Mile Rd location; Heating & Air Conditioning at 947-230-9950 for 1605 E Progress Dr; or HVAC PROS & SERVICES LLC at 248-556-5257 for 600 Ajax Dr.
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