Top Rated Hvac Contractors Serving San Mateo County, CA

A: 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 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 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 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 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.

A: Diamond Certified hvac contractors use top-quality brands like Johnson Controls, Amana, Fujitsu, Mitsubishi Electric and Goodman.

A: HVAC contractors offer a variety of mini splits including single-zone systems, multi-zone systems, wall-mounted mini splits, ceiling cassette mini splits, floor-mounted mini splits, and concealed duct mini splits. These systems all vary in their cooling and heating capacities, energy efficiencies, and installation methods, but all provide the flexibility for zoned cooling and heating in homes and businesses without the need for ductwork. Some premium models also include features like programmable thermostats, remote control operation, and air purification filters.

A: Yes, Diamond Certified HVAC contractors can work with Carrier products and similar items to provide commercial air conditioning in San Mateo County.

A: Air Filtration
Hvac Troubleshooting
Ventilation Systems
Commercial Air Conditioning
Cooling System Installations