Heating & Air Conditioning San Francisco
HVAC contractor in San Francisco, California 94107
- Address
- 1607 20th St, San Francisco, CA 94107
- Open
- 7 days a week
- Service area
- San Francisco
About
Heating & Air Conditioning San Francisco is located at 1607 20th St, San Francisco, CA 94107. The business is open Monday through Friday from 7 AM to 8 PM, and Saturday and Sunday from 9 AM to 7 PM.
Service Area
Serving San Francisco.
Hiring an HVAC Contractor in San Francisco, California
Before you hire an HVAC contractor in San Francisco, start with a basic checklist. First, ask whether the contractor holds a valid California license. HVAC work in the state requires a C-20 license—Warm-Air Heating, Ventilating and Air-Conditioning Contractor. You can verify any contractor's license status for free through the California Contractors State License Board (CSLB) online license-check tool. This step protects you by confirming the contractor is registered and allows you to review any complaint history.
Most HVAC work in San Francisco requires a building permit from the city. Before work begins, ask your contractor whether your specific project needs a permit—HVAC replacement, repair, or ductwork may trigger different permit requirements depending on the scope. Your contractor should know local code rules, but you can also contact the San Francisco Building Department directly to confirm. Permits exist to ensure work meets California Building Standards Code and keeps your system safe and compliant.
When you narrow down your choices, get details in writing. Ask the contractor to put the scope of work, timeline, and price in a contract. Review the C-20 license classification to ensure they are qualified for your job type. Request references, and don't hesitate to ask questions about how they handle follow-up service or warranty work.
What license do HVAC contractors need in California?
HVAC contractors in California must hold a C-20 license—Warm-Air Heating, Ventilating and Air-Conditioning Contractor. This is the state classification for work on heating, cooling, and ventilation systems. [1]
How do I check if an HVAC contractor's license is valid?
Use the free online license-check tool on the California Contractors State License Board website. Search by contractor license number, business name, or owner name. The tool will show you the license status and any complaint disclosures. [4]
Do I need a building permit for HVAC work in San Francisco?
Most HVAC work in San Francisco requires a building permit under California Building Standards Code. Permit rules vary by project type and location. Contact the San Francisco Building Department or ask your contractor to confirm what's required for your specific job. [3]
What should I include in a contract with an HVAC contractor?
Get the scope of work, timeline, and price in writing before work begins. A clear contract protects both you and the contractor and sets expectations for the job. [2]
What questions should I ask before hiring an HVAC contractor?
Ask about their C-20 license status, whether a building permit is needed, what warranty or follow-up service they offer, and request references from past customers. Also verify their license on the CSLB website. [2, 4]
Sources
- California CSLB — licensing classifications (read 2026-09-20)
- California CSLB — hire a licensed contractor (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
Address: 1607 20th St, San Francisco, CA 94107
Business Hours
| Monday | 7 AM – 8 PM |
|---|---|
| Tuesday | 7 AM – 8 PM |
| Wednesday | 7 AM – 8 PM |
| Thursday | 7 AM – 8 PM |
| Friday | 7 AM – 8 PM |
| Saturday | 9 AM – 7 PM |
| Sunday | 9 AM – 7 PM |