Top Rated Hvac Contractors Serving Half Moon Bay, 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 Half Moon Bay including 94019. These heating and air conditioning experts provide air filtration and indoor air quality, and they also work on HVAC upgrades, HVAC ductwork and water heater 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 Mar 04, 2026
  • 148,521 people sourced companies in Heating & Air Conditioning
    16,331 Verified Heating & Air Conditioning Customers Surveyed
16,331
148,521
1 of 5
Carol Flynn, Inc. installs Carrier furnaces and air conditioners as a Carrier Factory Authorized Dealer. The company maintains, repairs, and cleans al...
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Main Services

Heating & Air Conditioning
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Air Duct Cleaning
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Additional Services

Service, Repair, Installation, Furnace Installations, Air Conditioning, Sheet Metal Work

Brands

Carrier Factory Authorized Dealer

Coverage Areas

The Bay Area

Established in 1954
Established in 1954
Residential & Commercial
Residential & Commercial
Free Estimates
Free Estimates
Coupon on Website
Coupon on Website
  • Quick Connect
Hours CLOSED NOW
License:
188751
2 of 5
Bayhill Heat & Air, Inc. is an HVAC (heating, ventilating and air conditioning) contractor that serves homeowners in San Mateo, Santa Clara, Alameda a...
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Main Services

Heating & Air Conditioning
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Additional Services

Same-Day Service, Equipment Retrofit & Replacement, Installation & Replacement, Duct Installation & Replacement, Relocation, Free In-Home Estimates, Residential, Light Commercial

Brands

Carrier

Coverage Areas

San Mateo County, Santa Clara County, Alameda County, Part of San Francisco

Established in 1981
Established in 1981
Residential & Commercial
Residential & Commercial
Same-Day Service
Same-Day Service
Free Estimates
Free Estimates
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Hours CLOSED NOW
License:
917996
3 of 5
Degree HVAC, Inc. provides a wide range of HVAC and plumbing services for residential, commercial, and industrial clients throughout San Mateo County....
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Main Services

Heating & Air Conditioning
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Additional Services

Indoor Air Quality, HVAC Maintenance, Installation & Repairs, Plumbing Maintenance, Installation & Repairs

Brands

Carrier Factory Authorized Dealer

Coverage Areas

San Mateo County

Established in 2005
Established in 2005
Residential & Commercial
Residential & Commercial
Appointments Available
Appointments Available
Live Phone Call Answers
Live Phone Call Answers
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Hours CLOSED NOW
License:
886908
4 of 5
Alternative Heating & Air Conditioning Solutions, Inc. installs a variety of products that achieve optimum energy efficiency. The company is an active...
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Main Services

Heating & Air Conditioning
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Additional Services

HVAC System Design, Installation and Upgrades, Heat Pumps, Ductless Split Systems, Custom Duct Work, Service and Scheduled Maintenance

Brands

Mitsubishi, Trane, Daikin, Carrier, Bryant

Coverage Areas

San Mateo County, San Francisco, Santa Clara County, Alameda County

Family Owned
Family Owned
Established in 2011
Established in 2011
Residential & Commercial
Residential & Commercial
Free Quotes & Consultations
Free Quotes & Consultations
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Hours CLOSED NOW
License:
967878
5 of 5
Airstars Corp. provides a variety of HVAC services for residential and commercial clients in San Mateo, Santa Clara, Contra Costa, and Alameda Countie...
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Main Services

Heating & Air Conditioning
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Additional Services

HVAC Repair, Installation & Maintenance, Thermostat Calibration, Air Flow & Performance Testing

Brands

Carrier, Comfortmaker, Fujitsu, Goodman, Payne, Trane

Coverage Areas

San Mateo County, Santa Clara County, Contra Costa County, Alameda County

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Hours CLOSED NOW
License:
1118050
Learn how to choose a Heating & Air Conditioning and more…

Diamond Certified Hvac Contractors Serve These Half Moon Bay ZIP Codes

94019

Diamond Certified Hvac Contractors In Half Moon Bay

Diamond Certified hvac contractors serving Half Moon Bay are rated an average of 4.5 out of 5 stars based on 2038 reviews of 78 rated hvac contractors.
Diamond Certified hvac contractors in Half Moon Bay Avg. Star Rating.

    Map of Half Moon Bay, CA

    Half Moon Bay was founded in 1869, and today, your 11,324 neighbors enjoy astronomy, escape rooms, spa treatments, disc golfing and crabbing. Half Moon Bayers use Diamond Certified HVAC contractors for HVAC upgrades, heating system installations, ductless heating and cooling systems, commercial air conditioning, HVAC maintenance plans, and more.

    Frequently Asked Questions for Heating & Air Conditioning in Half Moon Bay, CA
    Q: What are clients of Diamond Certified hvac contractors saying about contractors in Half Moon Bay, CA?
    A: Verified Carol Flynn, Inc. Customer, 1 of 570
    "They know what they're doing, they're very nice, and you feel like you're getting good service from them. I like that you can call them in an urgent situation, even on a major holiday, and they come out right away to fix the problem." - Glenda .
    All Survey Responses for Carol Flynn, Inc.
    Verified Bayhill Heat & Air, Inc. Customer, 1 of 286
    "The job site was very clean and tidy. They came as scheduled and were very professional and neat. They gave me their cell phone number if I had any questions." - Daniel C.
    All Survey Responses for Bayhill Heat & Air, Inc.
    Verified Degree HVAC, Inc. Customer, 1 of 290
    "I am a facility manager and have worked for 2 corporations. I have used Degree for both companies and they have done extremely well for both of those companies. They put my company and my requests as a priority." - K. D. G.
    All Survey Responses for Degree HVAC, Inc.
    Verified Alternative Heating & Air Conditioning Solutions, Inc. Customer, 1 of 231
    "I refer them all the time. I have their magnet business cards. They were able to do the installation in hard conditions and they were good. They are great people and they did a beautiful job. He even put in some extra ducting for me. They installed it when it was 100 degrees out and their prices were very reasonable for the amount of work that they did. I have been using them since 1993 and Mike is fabulous. The guys who work for him are fabulous as well." - Carole R.
    All Survey Responses for Alternative Heating & Air Conditioning Solutions, Inc.
    Verified Airstars Corp. Customer, 1 of 18
    "I would tell them they do good work, and if something needs to be corrected, they will come back and take care of it. Reasonable price and quick, we are happy with the product." - Anonymous Customer
    All Survey Responses for Airstars Corp.
    Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with Half Moon Bay residents?
    A: Diamond Certified hvac contractors use top-quality brands like Fujitsu, Tempstar, Armstrong Air, Carrier and Napoleon.
    Q: What types of cooling system installations do hvac contractors offer?
    A: HVAC contractors typically offer repairs for all types of water heaters, including tankless, gas, and electric models. Repairs may include checking and replacing thermostats, resetting the temperature control, flushing sediment from the tank, inspecting water supply lines, and replacing faulty parts. In some cases, the contractor may even be able to recommend a replacement water heater if the existing one is beyond repair.
    Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get air filtration in Half Moon Bay?
    A: Yes, Diamond Certified HVAC contractors can work with Carrier products and similar items to get air filtration in Half Moon Bay.
    Q: What did people search for when they wanted to find the best quality hvac contractors in Half Moon Bay?
    A: Hvac Maintenance Plans
    Mini Splits
    Hvac Ductwork
    Indoor Air Quality
    Air Filtration