San Mateo County · California
HVAC service in San Mateo, CA
San Mateo is a Peninsula city between San Francisco and Silicon Valley, with historic homes in San Mateo Park and Baywood, post-war neighborhoods like Shoreview and Beresford, and new apartments near downtown and Hillsdale.
- Same-day appointments when available
- 5+ ZIP codes
- Licensed contractors
Neighborhoods: Downtown San Mateo, Baywood, Hillsdale, San Mateo Park, Shoreview, Beresford. Service area, not an office.
Local homes
San Mateo housing and HVAC
Most homes have gas forced-air furnaces or wall heaters and no central AC. Many older homes are being remodeled with heat pumps. Baywood and San Mateo Park homes from the 1920s and 1930s often have floor furnaces or gravity-era ducts, while Shoreview and Beresford have 1950s ranch homes with forced-air systems in crawl spaces. New apartments near downtown and the Hillsdale station are often all-electric with heat pumps.
San Mateo has a mild climate with cool, foggy mornings near the bay and warm afternoons, and cool, wet winters. Summer highs reach the mid-70s with morning fog near the bay, and heat waves occasionally push the hills past 95°F. Winter brings cool, rainy weather with occasional frost.
Permits and seasonal timing in San Mateo
The City of San Mateo Building Division issues mechanical permits, and California requires C-20 licensed contractors.
Older heating systems
Wall heaters and older furnaces need safety checks.
Electrification
Heat pumps are the main replacement path.
Homes without AC
Heat waves drive interest in cooling.
Common calls
Popular HVAC services in San Mateo
Also available: emergency HVAC and all HVAC services.
Full service list
All HVAC services in San Mateo
Searching for HVAC service near me in San Mateo? Every service below is available across San Mateo ZIP codes 94401, 94402, 94403, 94404, 94497 and nearby, including Downtown San Mateo, Baywood, Hillsdale.
Heat Pumps in San Mateo
Indoor Air Quality in San Mateo
Thermostats & Controls in San Mateo
Maintenance & Inspections in San Mateo
Commercial HVAC in San Mateo
Specialty Systems in San Mateo
San Mateo at a glance
- County
- San Mateo County
- Region
- California · West
- ZIP codes
- 94401, 94402, 94403, 94404, 94497
- Neighborhoods
- Downtown San Mateo, Baywood, Hillsdale, San Mateo Park, Shoreview, Beresford
- Climate
- Mixed (IECC zones 2–6)
Licensing and utilities for San Mateo
California licenses HVAC contractors through the Contractors State License Board (CSLB), usually under the C-20 Warm-Air Heating, Ventilating and Air-Conditioning classification.
PG&E, Southern California Edison, SDG&E and municipal utilities such as LADWP and SMUD supply electricity. SoCalGas, PG&E and SDG&E supply natural gas.
FAQ
HVAC questions in San Mateo
How do I find HVAC service near me in San Mateo?+
Call with your San Mateo ZIP code. We connect you with an independent, licensed HVAC contractor who serves your neighborhood for AC repair, heating, heat pumps, ducts and installs.
Can I replace my wall heater with a heat pump?+
Yes. Ductless heat pumps are a common replacement.
Do I need a permit?+
Yes. California requires permits for HVAC work.
HVAC guides for San Mateo homeowners
Towns near San Mateo
HVAC help in San Mateo
Call to be connected with a licensed HVAC contractor serving your ZIP code.