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 San Mateo including 94403, 94404, 94401, 94402 and 94497. These heating and air conditioning experts provide HVAC upgrades and HVAC replacement, and they also work on commercial air conditioning, furnace repair and HVAC troubleshooting. 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 Sep 30, 2025
148,521 people sourced companies in Heating & Air Conditioning
16,331 Verified Heating & Air Conditioning Customers Surveyed
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
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
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
Air Duct Cleaning
Additional Services
Service, Repair, Installation, Furnace Installations, Air Conditioning, Sheet Metal Work
Degree HVAC, Inc. provides a wide range of HVAC and plumbing services for residential, commercial, and industrial clients throughout San Mateo County....
Bayhill Heat & Air, Inc. is an HVAC (heating, ventilating and air conditioning) contractor that serves homeowners in San Mateo, Santa Clara, Alameda a...
Diamond Certified Hvac Contractors Serve These San Mateo ZIP Codes
94403, 94404, 94401, 94402, 94497
Diamond Certified Hvac Contractors In San Mateo
Diamond Certified hvac contractors serving San Mateo are rated an average of 4.5 out of 5 stars based on 2363 reviews of 78 rated hvac contractors. Diamond Certified hvac contractors in San Mateo Avg. Star Rating.
San Mateo was founded in 1856, and today, your 101,525 neighbors enjoy hot tubbing, bowling, spa treatments, parks and knitting. San Mateans use Diamond Certified HVAC contractors for energy-efficient HVAC work, furnace repair, HVAC replacement, air filtration, cooling system installations, and more.
Frequently Asked Questions for Heating & Air Conditioning in San Mateo, CA
Q: What are clients of Diamond Certified hvac contractors saying about contractors in San Mateo, CA?
Q: What are some of the most popular brands that Diamond Certified hvac contractors use when working with San Mateo residents?
A: Diamond Certified hvac contractors use top-quality brands like Payne, Mitsubishi Electric, Rheem, Carrier and Fujitsu.
Q: What types of commercial air conditioning do hvac contractors offer?
A: HVAC contractors typically offer three different types of thermostat installation: wired, wireless, and programmable. Wired thermostats are connected to the furnace or air conditioner with wires, while wireless thermostats are connected to the furnace or air conditioner via a signal from a remote control. Programmable thermostats can be programmed to turn the furnace or air conditioner on and off at specific times and can be used to reduce energy costs.
Q: Can Diamond Certified hvac contractors work with Carrier products and similar items so I can get HVAC upgrades in San Mateo?
A: Yes, Diamond Certified hvac contractors can work with Carrier products and similar items to provide HVAC upgrades in San Mateo.
Q: What did people search for when they wanted to find the best quality hvac contractors in San Mateo?
San Mateo is our home and we love it! Here you’ll find the best spots to revisit, the San Mateo events schedule, local social media links, stories of our San Mateo area unsung heroes and much more. Connect with your neighbors and share what you love about our hometown. Plus, join us as a San Mateo Diamond Certified Preferred Member (always free).
The San Mateo Caltrain Station is a vital hub for commuters traveling along the San Francisco Peninsula. Photo: Sundry Photography
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