Top Rated Hvac Contractors Serving Contra Costa County, CA

If you really care about choosing a quality hvac contractor, we’re here for you. Here’s your access to the best hvac contractors serving Contra Costa County including 94565, 94509, 94806, 94513 and 94553. These heating and air conditioning experts provide HVAC repairs and cooling system installations, and they also work on commercial air conditioning, AC tune ups and furnace repair. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.

Last Updated Nov 25, 2024
148,521 people sourced companies in Heating & Air Conditioning
16,331 Verified Heating & Air Conditioning Customers Surveyed

16,331

148,521

1 of 6

AIS Heating & Air Conditioning

AIS Heating & Air Conditioning installs and repairs all types of HVAC systems for residential and commercial clients throughout the Greater Bay Area. ...

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Main Services

Heating & Air Conditioning

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Air Quality - Indoor

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Additional Services

Heating and Air Conditioning Installation, Service, and Maintenance, Indoor Air Quality, Energy Audits, Heat Pump Systems, Heat Pump Water Heater Maintenance and Repair

Brands

Bryant

Coverage Areas

The Greater Bay Area

Family Owned

Established in 2008

Established in 2008

Residential & Commercial

Residential & Commercial

Free Quotes & Consultations

Free Quotes & Consultations

Diamond Certified Video Profile

Diamond Certified Company Report

Daniel A. Sojkic, Owner-AIS Heating & Air Conditioning

Daniel A. Sojkic, Owner

Expert Contributions

250
Rating Surveys

15
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 431-2768

Hours CLOSED NOW

License:

919756

2 of 6

Hassler Heating & Air Conditioning, LLC

Hassler offers full HVAC services including maintenance, repairs, water heaters, ductless, full system replacements, and heat pump conversions. Starti...

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Main Services

Heating & Air Conditioning

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Home Energy Auditor

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Additional Services

Central Ducted Heat Pump, Ductless Mini-Split Heat Pump, Water Heater (Standard, Tankless, Heat Pump, Electric Resistance), Furnace, and A/C Installations and Repairs, Home Energy Assessments and Home Energy Score (HES) Assessments, Energy Upgrade Measures (Building Shell)

Brands

Bosch , Carrier , Mitsubishi , Navien , Rheem Water Heaters

Coverage Areas

Alameda County, Contra Costa County, Marin County

Family Owned

Established in 1999

Established in 1999

Residential & Commercial

Residential & Commercial

Financing Available

Financing Available

Diamond Certified Video Profile

Diamond Certified Company Report

Tim Hassler, General Manager-Hassler Heating & Air Conditioning, LLC

Tim Hassler, General Manager

Expert Contributions

288
Rating Surveys

30
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 400-5759

Hours CLOSED NOW

License:

770180

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Qualtech Heating & Cooling

Qualtech Heating & Cooling has been providing a wide range of HVAC services for residential and light commercial clients throughout Contra Costa and A...

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Main Services

Heating & Air Conditioning

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Additional Services

Heating & A/C System (Including Furnaces and Ductless Heat-A/C Systems) Installation, Maintenance & Repair, Duct Cleaning, Indoor Air Quality, Whole-House Fans

Brands

American Standard , Bryant , Carrier , Lennox , Mitsubishi , QuietCool , Trane , York

Coverage Areas

Alameda County, Contra Costa County

Family Owned

Established in 2007

Established in 2007

Senior Discount

Senior Discount

Residential & Commercial

Residential & Commercial

Diamond Certified Video Profile

Diamond Certified Company Report

287
Rating Surveys

17
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(925) 263-9202

Hours CLOSED NOW

License:

905205

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Hometown Heating & Air Conditioning

Hometown Heating & Air Conditioning provides repair and maintenance work on all central heating and air conditioning units. The family-owned and opera...

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Main Services

Air Quality - Indoor

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Heating & Air Conditioning

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Additional Services

Installation, Maintenance & Repair of HVAC Systems, Electrostatic Filtration, Safety Inspections & Energy Audits, Dryer Vent Cleaning, Smoke & Carbon Monoxide Detectors

Brands

American Standard , Bryant , Carrier , Honeywell , Lennox , Payne , TLC , Trane

Coverage Areas

Contra Costa County Alameda County, Solano County

Family Owned

Emergency 24/7

Residential Only

Residential Only

Appointments Available

Appointments Available

Diamond Certified Video Profile

Diamond Certified Company Report

Brian Waskow, Owner-Hometown Heating & Air Conditioning

Brian Waskow, Owner

Expert Contributions

432
Rating Surveys

32
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(510) 456-0082

Hours CLOSED NOW

License:

1005143

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Service Champions

Service Champions is a leading provider of premier home services in Northern California. The company’s expertise includes heating, cooling, insulation...

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Main Services

Air Duct Cleaning

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Heating & Air Conditioning

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Air Quality - Indoor

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Insulation

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Additional Services

Furnaces and Air Conditioners, Ductwork, Electrical, Water Heaters, Water Filtration, Air Scrubbers, Air Filtration

Coverage Areas

East Bay, South Bay, Sacramento Areas

Residential Only

Residential Only

Weekend Hours

Free Estimates

Live Phone Call Answers

Live Phone Call Answers

Diamond Certified Video Profile

Diamond Certified Company Report

Kevin Comerford, Owner-Service Champions

Kevin Comerford, Owner

Expert Contributions

4774
Rating Surveys

35
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(888) 292-8914

Hours CLOSED NOW

License:

817040

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Moore Mechanical Heating & Air Conditioning

Moore Mechanical Heating & Air Conditioning provides a wide range of HVAC services for residential and commercial clients in Alameda and Contra Costa ...

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Main Services

Heating & Air Conditioning

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Heat - Radiant

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Additional Services

Heating & Air Conditioning System Replacements & Repairs, Radiant Heating, Ductless Mini Split Repairs & Installations, Ductwork Design Services, Repairs & Installations, Home Performance Evaluations, Annual HVAC Maintenance Programs, Commercial HVAC Repairs & Installations, Indoor Air Quality Diagnostics & Upgrades, Ventilation System Repairs & Installations, Whole House Fan Installations, Attic Ventilation Systems, Air Purification Systems, VRF Systems, Combustion Appliance Zone (CAZ) Tests, Residential & Commercial Heat Pump Water Heaters, Backup Residential Generator Installations, Electrical Panel Upgrades, Including Span Panels, New Residential Electrical Circuit Installations, Including Hot Tubs, Pool Pumps & Electric Vehicle Charging Stations, Generators & Generator Transfer Switches

Brands

Carrier , Rheem , Mitsubishi , York , Ruud , Bryant , Bradford White , SANCO2 , Harvest Thermal , Noritz , Navien , American Standard , A. O. Smith

Coverage Areas

Contra Costa County, Alameda County

Established in 1985

Established in 1985

Residential & Commercial

Residential & Commercial

Weekend Hours

Appointments Available

Appointments Available

Diamond Certified Video Profile

Diamond Certified Company Report

Jesse Casey, Regional Manager-Moore Mechanical Heating & Air Conditioning

Jesse Casey, Regional Manager

Expert Contributions

491
Rating Surveys

13
Photos
& Videos

5
Researched Articles

Rated Highest in Quality and Helpful Expertise PERFORMANCE GUARANTEED

Quick Connect
(925) 517-6222

Hours CLOSED NOW

License:

1085045

Learn how to choose a Heating & Air Conditioning and more…

Diamond Certified Hvac Contractors In Contra Costa County

Diamond Certified hvac contractors serving Contra Costa County are rated an average of 4.5 out of 5 stars based on 5022 reviews of 78 rated hvac contractors.
Diamond Certified hvac contractors in Contra Costa County Avg. Star Rating.

Map of Contra Costa County, CA

Contra Costa County was founded in 1853, and today, your 1,123,844 neighbors use hvac contractors for HVAC repairs, furnace repair, AC tune ups, cooling system installations, heating system installations, and more.

Frequently Asked Questions for Heating & Air Conditioning in Contra Costa, CA

Q: What are clients of Diamond Certified hvac contractors saying about contractors in Contra Costa County, CA?

A: Verified Haddon Heating & Cooling Customer, one of 428
"Use them. They are good people who charge a reasonable price and do great work. They were friendly. I felt okay letting the guy in our house." -John L.
All Survey Responses for Haddon Heating & Cooling
Verified Service Champions Customer, one of 2175
"They are a fantastic family-run business with nice people. They are a good company to deal with, and they have moderate prices. We have just been with them for so long. Steve installed our system when we first bought our house in 2002, and he has always provided service for us. His guys did duct work for us. He is our guy." -Meredith F.
All Survey Responses for Service Champions
Verified Hometown Heating & Air Conditioning Customer, one of 432
"It was a good experience. The technicians were all helpful and knowledgeable." -Patrick M.
All Survey Responses for Hometown Heating & Air Conditioning
Verified Moore Mechanical Heating & Air Conditioning Customer, one of 491
"The maintenance is fine, but the price is expensive. I'm not sure." -Bob R.
All Survey Responses for Moore Mechanical Heating & Air Conditioning
Verified Clean Air HVAC, Inc. Customer, one of 262
"I didn't deal with them directly, but the work was done quickly, and everything is fine. They were able to make sure everything was done even though we were not there, so I guess the trust I have in them is what I liked best." -Carol S.
All Survey Responses for Clean Air HVAC, Inc.

Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Contra Costa County residents?

A: Diamond Certified hvac contractors use top-quality brands like Daikin, Ruud, Amana, Trane and Maytag.

Q: What types of heating do hvac contractors offer?

A: HVAC contractors offer a variety of heating types including forced air heating, radiant heating, geothermal heating, and steam radiant heating. Forced air heating is the most common type and involves a system of ducts and vents to distribute warm air throughout a building. Radiant heating systems transfer heat directly from a hot surface to the people and objects in a room. Geothermal heating uses the earth's natural heat to warm a building. Steam radiant heating involves a boiler that heats water until it becomes steam, which then travels through pipes to radiators throughout the building.

Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get HVAC repairs in Contra Costa County?

A: Yes, Diamond Certified HVAC contractors are qualified to work with Carrier products and similar items for HVAC repairs in Contra Costa County.

Q: What did people search for when they wanted to find the best quality hvac contractors in Contra Costa County?

A: Cooling System Installations
Ductless Heating And Cooling Systems
Commercial Air Conditioning
Hvac Repairs
Furnace Repair