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Elite Comfort Systems
- Inspection
- Tech
- Attic
“He gave us tips for keeping our unit running efficiently and went above and beyond, even crawling under our home to find a drain hose improperly placed.”
Best HVAC Contractors near Brentwood, CA
We have 3 companies in Brentwood on file, and all of them are on this list, along with 21 from towns including San Ramon (5, 17 mi), Antioch (4, 5 mi) and Pittsburg (4, 11 mi).
5 open 24/7 · 19 open weekends · all 24 rated 4.5+ · 9 show a license
Data verified October 18, 2026
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California Mechanical Heating and Air Inc
- Estimate
- House
- Unit
“Picked up the phone right away, called me back right away, and was able to address my needs and scheduled their guy to come to our house the first thing in the very next morning.”
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Hvac Utor Services
“They completely plastic tarped my daughter's room ( where the crawl space and attic door is located) and laid hall runners throughout he working spaces in the house.”
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Perfect Star Heating and Air Conditioning
- Understand
- Inspection
- Educate
“I had yet another wonderful experience with Perfect Star Heating I Raymond was professional, friendly and took care of everything I needed quickly and efficiently.”
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Contra Costa Climate Control
- Employees
- Crew
- Happy
“Our ac gave out last week and contra costa climate control was quick to come out, Javier was our technician and he did a great job finding out the issue and getting it repaired highly recommended this company”
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Stewart Heating Plumbing and Air
- Informative
- Job
- Work
“I've worked with other companies in this area and have experienced some rude and unethical behavior from those other companies but Stewart Heating & Air has impressed me with the way they conduct their business and perform the work.”
The 24 companies listed for Brentwood, CA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Area overview: Brentwood, CA
The 24 companies on this page are rated from 4.6 to 5.0 across 7,014 reviews; 19 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (90%), responsiveness (84%) and punctuality (84%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "efficient". 5 are open around the clock; 18 are open on Saturdays and 11 on Sundays. The services the companies on this page list most often on their websites are air conditioning repair (3), air conditioning (2), air conditioning installation (2), attic insulation (2) and commercial hvac (2). 9 show a license on their websites; 1 lists staff certifications (EPA) and 4 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 48 years. 6 offer emergency call-outs; 10 offer financing or payment plans; 7 give free estimates; 6 are family- or locally-owned and 12 list coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Why do some of these firms show another city?
3 of the 24 companies are based in Brentwood; the others come from other towns within 20 mi. This trade drives to you, so a shop over the county line is normal. Ask whether your address carries a travel charge.
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Smart Heating and Air Conditioning
- Knowledge
- Technician
- Clean
“, Sam, was thorough and provided a detailed explanation of the issues that we have and offered us a solution that will fix the problems we have with our HVAC system.”
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Fairview Heating & Air Conditioning Inc.
- Grant
- Tech
- Pricing
“Keanu was my tech for ac check-up on time and professional , friendly enjoyed speaking with him I have a fairview system and it's been working trouble free”
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Chill Heating & Cooling
- Ice Maker
- Dishwasher
- Kitchen Aid
“Couldn't be more happy with the work he did and the great communication and professionalism he had.”
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Air Synergy Heating
- Quality
- House
- Sell
“The whole Team from the moment your phone call is answered to the techs that come out to trouble shoot the issue to the owner who genuinely cares to get things up and running so that you're not suffocating in this heat.”
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Connolly Heating and Air Conditioning
- Questions
- Furnace
- Ductwork
“When the inspectors came to my house to see if the units were installed properly, they remarked that it was an excellent installation and done exactly by the books!”
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Mercury Heating and Air
- Home
- Unit
- Price
“His technicians came out the next week, installed the AC, kept me updated as to what they were doing, and alerted me to any road bumps they discovered, as my furnace was 25 years old.”
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Tyndall Hvac
- Honest
- Furnace
- Sell
“The repair man was knowledgeable and get Right on troubleshooting and found the issue, Less than 30 minute the whole job is done from found the problem make the repair.”
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Magnet Appliance Repair
- Dishwasher
- Refrigerator
- Leaking
“Turns out if I had attempted the work on my own it wouldn't have mattered because Sergey found two other issues that were contributing to the problem, and only doing what youtube suggested wouldn't have gotten me anywhere.”
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Volta Hvac & Appliance Repair
- Microwave
- Price
- Review
“David did an extremely through job of analyzing the wiring between the furnace circuit board, thermostat and AC compressor & capacitor to locate the problem that was causing my AC to malfunction.”
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Comfy Heating & Air Conditioning
- Clean
- Questions
- Heat Pump
“I had 1 of 2 furnaces stop working (both over 20 years old) and we discussed lots of options and I got quotes for repair of existing, to replacement with furnace, to replacement with ductless mini-splits, to replacements with heat pump using existing...”
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Adrium Service Solutions
- Warranty
- Dryer
- The Future
“He came to help repair the AC on the same day as I requested it, and he spent the time to make sure it's fixed properly and everything is working as expected.”
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California Heating and Cooling
- Communication
- Tech
- Mario
“Justin is a knowledgeable technician who took the time to troubleshoot the issue and then solve the issue.”
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Attic Renew 360
- Crawl Space
- Air Ducts
- Fiberglass
“They did a great job, Attic deep cleaning, Rodent proofing, they air sealed holes and cracks around my attic and re-insulate with eco friendly insulation”
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AC & Heating Solutions
- 4th of July
- Morning
- Evening
“I called Martin Thursday night when we were spiking up over the 108 degrees in antioch last week and he promised between 10-12 and he was there early, he got straight to the job figuring out what the problem was an fixing it.”
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Clayton Brothers Heating & Air
- Cold
- Home
- Contractors
“Clayton Brothers came to our home and replaced our heating and air conditioning system, installation went as planned in a timely manner with a huge improvement.”
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Ecopro Hvac
- Mask
- Home Warranty
- Picture
“He then took that info and performed his own, very thorough diagnosis, all the while he was explaining to me what was going on and what he was observing since there's a fair amount of observation, trial and error and process of elimination to isolate...”
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Air One Hvac Systems
- Competitive
- Crew
- Properties
“From showing up exactly on time for the quote/estimate, to the people answering the phones and making appointments, to the crews that came out to do the work.”
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Plummers Heating
- Price
“Bob provided excellent relations, professional, and had the work done in no time.”
HVAC, Heating & AC Services in Brentwood, CA Cost Estimates
Minimum cost
$1902
Maximum cost
$11399
National Average
$5934
Avg Per Hour Rates
$158
$4074
$7866
Typical price range is based on 356 cost profiles
Why these companies made our list
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