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Drain Doctor Plumbing & Rooter Services
- Work
- Technician
- Polite
“In the end, the results spoke for themselves β my bathtub drain was flowing smoothly once again, thanks to the exceptional service provided by Drain Doctor.”
Best HVAC Contractors in Covina, CA
24 companies listed Β· 14 in Covina Β· 2 open 24/7 Β· 18 open weekends Β· 19 rated 4.5+
Data verified October 15, 2026
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Sinclair Air Systems
- Price
- Furnace
- Home
“Well let me start by thanking each and everyone of you(Rick, Susie, Miranda, Steve, Billy, Anibal, Dennis, Todd, & Darin) for making my experience with Sinclair Air systems clearly preeminent.”
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Choice Home Services
- House
- Price
- Thermostat
“John was beyond professional, thorough and explained all that he did and suggested what he thinks needs to be done for a more sustainable and efficient unit.”
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Whole House Fan Company
- Investments
- Product
- Attic Fan
“It's great when the nights are cool because it quickly cools down my house by bringing in air from outside throw any open window or door and blows out the hot air.”
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Top Air Heating & A/C
- Honest
- Home
- Hvac Service
“Once he completed his diagnosis after some time because he didn't want to miss anything, he walked me through every single thing (where and what the problem is, how I can get it fixed, how I can improve my system like the way I install my condensate ...”
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Efficient Incorporated
“I highly recommend them.”
The 24 companies listed for Covina, 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: Covina, CA
Of the 24 companies we list here, 14 are in Covina itself and 10 come from West Covina (8, 3 mi) and San Dimas (2, 4 mi). The companies on this page are rated from 4.0 to 5.0 across 813 reviews; 3 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), responsiveness (91%) and quality (89%). The topics that come up most in reviews of the companies on this page are "price" and "efficient". 2 are open around the clock; 18 are open on Saturdays and 10 on Sundays. 5 show a license on their websites and 1 has a BBB rating of A or A+. 16 have ten or more years of experience, the longest 56 years. 3 offer emergency call-outs; 2 offer financing or payment plans; 6 give free estimates; 3 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 13 of the companies on this page; 10 publish a contact page; 7 list a public email and 2 take bookings online. 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?
14 of the 24 companies are based in Covina; the others come from other towns within 5 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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Piggies Air Conditioning
“As an owner of multiple properties, I depend on trustworthy and affordable service providers, like him”
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Air Heating & Air Conditioning
“I had the privilege of working next to Robertl and the level of professionalism he showed was astounding, all in all 5 stars hand down !!!”
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C & P Hvac & Plumbing West Carson
- Prices
- Expert
- Plumbing Services
“Always a pleasure working with C & P HVAC & Plumbing West Carson.”
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Steve Hempel Air
“People who care about the quality of their work, while remembering your first name”
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Southwest Mechanical
- Company
“Professional, Punctual, and got the job done right.”
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Air Balance Co.
“Visiting my niece family own”
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Residential Services
- Technician
- Experts
- Hvac
“I absolutely recommend this company to all of my friends and colleagues.”
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J. Choy PRO Hvac Services
- Paper
- Price
- Duct
“Joey was awesome, professional showed up on time gave a look at the job and was very reasonable on his price, his team was on time clean laid paper throughout the house, removed all trash, our house is functioning perfectly, we then had him return f...”
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Walsberg's Heating & AC
“We called Walsberg Heating and Air Conditioning on Wednesday; Thursday morning their team came out and we settled a fair price which was 2/3 of the previous bid (they had stringing us along with repairs); Friday they installed new system and we were ...”
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Valley Air Conditioning & Heating
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Air On Time Co.
- Quality
- Duct
- Price
“They were especially careful and clean when working in the house and happy to answer any questions we had about their work and helpful about explaining important information from the users manual.”
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AC Repair Service
- Eagle
- Price
“He said they were pretty busy but after he heard young kids in the background on the phone and knowing how hot it's been, he told me, βyou know what, let me move some things around and I'll make it out to you in the next few hoursβ I was beyond impre...”
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DHK Plumbing & Piping
- Price
“Plus their prices are more than fair.”
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Argo Contractor Services
“He found nothing from the heater itself, but he decided to go check the other appliances just in case, and found a tiny almost unnoticeable leak at the nearby stove that he repaired for us free of charge.”
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Agape Air Condition & Heating Inc.
“You could never find anyone better or honest than Juan with Agape Air.”
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Breeze Express
- Price
“Victor installed my GOODMAN unit about two years ago and did an amazing job and the price was very reasonable.”
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Air Monkey Heating & Cooling
“πππππππ ⦔
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Brisk-Air Conditioning & Heating
HVAC, Heating & AC Services in Covina, CA Cost Estimates
Minimum cost
$1766
Maximum cost
$10579
National Average
$5508
Avg Per Hour Rates
$147
$3781
$7300
Fair price range is based on 549 cost profiles
Why these companies made our list
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