GB Heating & Cooling Inc
HVAC contractor in San Francisco, California
- Rating
- 5.0 / 5.0 from 1 reviews
- Open
- 6 days a week
- Website
- gbheatingandcooling.com/
- Service area
- San Francisco, Peninsula
- Phone
- (415) 699-3983
About
GB Heating & Cooling has served San Francisco and the Peninsula since 2002 with HVAC and hydronic radiant floor heating and cooling systems. The company carries Carrier, Bryant, and York equipment.
Services include HVAC installation and repair, air conditioner and heat pump repair, furnace and heat pump work, boiler and gas fireplace service, ductwork, single and multi-zone ductless mini-split systems, and indoor air quality and ventilation. The company also specializes in luxury radiant floor heating.
GB Heating & Cooling is open Monday to Friday 8 AM–5:30 PM and Saturday 8 AM–2 PM. Call (415) 699-3983 or visit the website to request an estimate.
Services
- HVAC installation and repair
- Hydronic radiant floor heating and cooling
- Heat pump repair and replacement
- Ductless mini-split systems
- Furnace and boiler service
- Ductwork
- Indoor air quality and ventilation
Service Area
Serving San Francisco, Peninsula.
Frequently Asked Questions
What brands does GB Heating & Cooling work with?
The company installs and services Carrier, Bryant, and York equipment.
What are your business hours?
Monday to Friday 8 AM–5:30 PM, Saturday 8 AM–2 PM. Closed Sundays.
What is hydronic radiant floor heating?
It is a heating and cooling system that reduces energy use while increasing comfort and improving indoor health, part of a shift toward green products in the HVAC industry.
Hiring an HVAC Contractor in San Francisco, California
In California, HVAC work falls under the Warm-Air Heating, Ventilating and Air-Conditioning Contractor classification (C-20). Before hiring an HVAC contractor, you should verify that they hold a current state license. You can check any contractor's license status through the California Contractors State License Board (CSLB) online service by entering their license number or business name.
Building permits are often required for HVAC work, including installation and replacement of furnaces, air conditioners, and heat pumps. Permit requirements vary by city and county, so check with your local building department to learn what is needed for your specific project in San Francisco or your area.
When selecting an HVAC contractor, ask to see their license, verify it through CSLB, and discuss whether your project requires a permit. Get estimates in writing and ensure the contractor explains what work will be done and how it will meet local building codes.
What license does an HVAC contractor need in California?
HVAC contractors in California must hold a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning Contractor) license issued by the California Contractors State License Board. [1]
How do I verify a contractor's license?
Visit the CSLB online license check tool and search by the contractor's license number or business name. This will show the current status of their license and any complaint disclosure information. [4]
Do I need a building permit for HVAC work?
Permit requirements vary by city and county. California Building Standards Code typically requires permits for HVAC installation and replacement. Contact your local building department in San Francisco to find out what is required for your project. [3]
Sources
- California CSLB — licensing classifications (read 2026-09-20)
- California CSLB — do I need a building permit? (read 2026-09-20)
- California CSLB — check a license (read 2026-09-20)
Contact Information
Business Hours
| Monday | 8 AM – 5 PM |
|---|---|
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 5 PM |
| Saturday | 8 AM – 2 PM |
| Sunday | Closed |