339 NORTH ELLSWORTH AVENUE, San Mateo, CA 94401, USA
Verify this license yourself at the California Contractors State License Board (CSLB).
Comfort Zone Heating & Air Conditioning Co is a San Mateo, California business built around AC Services, helping homeowners and commercial property managers keep cooling systems reliable through the warmer months. The company has held contractor license #898653 on the California state contractor registry since 2007, giving it more than 19 years of experience in the trade.
Local market — San Mateo
HVAC pros here
25
Have a website
36%
Cooling demand
163
Heating demand
2,653
Cooling/heating demand = annual degree days (NOAA). Electricity = state residential average (EIA).
Beyond cooling, the team handles Heating Services, Furnace Services, and Heat Pumps, so one provider can cover both seasons. Ductwork Services address airflow problems, while Thermostat Services help control systems respond more accurately to the way a building is actually used. Maintenance & Tune-up visits keep equipment running efficiently, and Emergency HVAC calls are answered when a system fails at the worst possible time.
The company serves San Mateo and nearby neighborhoods, where coastal weather and older housing stock create specific demands on heating and cooling equipment. Local familiarity helps technicians diagnose problems quickly and recommend repairs or upgrades that suit the building.
Anyone comparing local pros should look at licensing, service scope, and how clearly a company explains its work. Comfort Zone Heating & Air Conditioning Co welcomes that kind of comparison. Listings on HVAC Service Fast make it easier to review options side by side.
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