San Francisco Heating & Air Conditioning Contractors
HVAC contractor in San Francisco, California 94110
- Rating
- 4.5 / 5.0 from 10 reviews
- Address
- 3478 Mission St, San Francisco, CA 94110
- Open
- 7 days a week
- Service area
- San Francisco
- Phone
- (415) 825-6632
About
San Francisco Heating & Air Conditioning Contractors is located at 3478 Mission St, San Francisco, CA 94110. The business holds a 4.5 of 5 rating based on 10 reviews.
Weekday hours run 7–8 AM, Monday through Friday. Weekend service is available Saturday and Sunday, 9 AM–7 PM. Reach the business at (415) 825-6632.
Service Area
Serving San Francisco.
Hiring an HVAC Contractor in San Francisco, California
Before you hire an HVAC contractor in California, verify that they hold the correct license type. HVAC work falls under the state classification C-20, Warm-Air Heating, Ventilating and Air-Conditioning Contractor. You can check any contractor's license status for free through the California Contractors State License Board (CSLB) online system, which also discloses any complaints filed against them. Always ask to see the contractor's pocket license and note the license number before signing a contract.
Most HVAC projects require a building permit from your local building department. California Building Standards Code requires a separate permit before any work begins on construction, enlargement, alteration, or repair. Code requirements vary by city and county, so contact the San Francisco building department or your local jurisdiction to learn what permits are needed for your specific project. A licensed contractor can help clarify permit requirements during your initial consultation.
When reviewing a contract, confirm the scope of work, timeline, and payment terms in writing. Ask the contractor about their licensing status, insurance coverage, and whether they will handle permit applications. Request references and compare quotes from multiple contractors. The CSLB website offers guides on home improvement contracts and selecting the right contractor to help protect your investment.
What license type do I need to verify for an HVAC contractor?
HVAC contractors in California must hold a C-20 license, classified as a Warm-Air Heating, Ventilating and Air-Conditioning Contractor. You can verify this by checking the contractor's license on the CSLB online system. [1, 4]
How do I check a contractor's license status?
Visit the CSLB online license check system at cslb.ca.gov. You can search by contractor license number, business name, or the contractor's name. The system will show the license status and any complaint disclosures. [2, 4]
Do I need a building permit for HVAC work?
Most HVAC projects require a building permit. California Building Standards Code requires a permit before any alteration, repair, or improvement to a building or structure. Contact your local building department in San Francisco or your jurisdiction to confirm permit requirements for your specific project. [3]
What should I ask a contractor before hiring them?
Ask about their license status (verify the C-20 classification), insurance coverage, whether they will obtain permits, their timeline and payment terms, and request references. Always get the agreement in writing before work begins. [2]
Where can I find my local building department to check permit requirements?
The CSLB website lists building departments by city, county, and town. Look up the San Francisco building department or your specific jurisdiction to learn what permits are required before your HVAC contractor begins work. [3]
What information should be in a written contract?
A contract should include the scope of work, timeline, payment terms, contractor license number, and whether the contractor will handle permit applications. The CSLB offers guides on home improvement contracts to help you understand what to expect. [2]
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
Business Hours
| Monday | 7 – 8 AM |
|---|---|
| Tuesday | 7 – 8 AM |
| Wednesday | 7 – 8 AM |
| Thursday | 7 – 8 AM |
| Friday | 7 – 8 AM |
| Saturday | 9 AM – 7 PM |
| Sunday | 9 AM – 7 PM |