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Our Story
Cal Bay Service provides HVAC, air purification, duct, water heater services, and 24/7 emergency services to the Napa area.Heating & Air Conditioning Home and Commercial Refrigeration. We have contractors licensed 690694 w/liability workmans comp auto insurance. We offer replacement & adding ac with new federal tax rebates. We are family owned and operated since 1989.
What We Do
Regions & Counties Serviced
- San Francisco, Oakland, San Jose
- California-Central Valley-Sacramento, Fresno, Bakersfield
California 10
- Alameda
- Contra Costa
- Marin
- Merced
- Napa
- Sacramento
- San Francisco
- Santa Clara
- Solano
- Sonoma
Our CSI Codes
23 01 30 - Operation and Maintenance of HVAC Air Distribution
23 01 50 - Operation and Maintenance of Central Heating Equipment
23 01 60 - Operation and Maintenance of Central Cooling Equipment
23 01 70 - Operation and Maintenance of Central HVAC Equipment
23 06 30 - Schedules for HVAC Air Distribution
23 06 30.16 - Air Terminal Unit Schedule
23 06 30.19 - Air Outlet and Inlet Schedule
23 06 50 - Schedules for Central Heating Equipment
23 06 70 - Schedules for Central HVAC Equipment
23 06 70.13 - Indoor, Central-Station Air-Handling Unit Schedule
23 06 70.16 - Packaged Outdoor HVAC Equipment Schedule
23 06 80 - Schedules for Decentralized HVAC Equipment
23 06 80.13 - Decentralized Unitary HVAC Equipment Schedule
23 30 00.00.01 - HVAC Air Distribution
