Licensed Heating & Air Conditioning (C-20) contractors in San Francisco, CA

The California Contractors State License Board (CSLB) lists 50 Heating & Air Conditioning (C-20) contractors in San Francisco, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

50 contractors

1. Air Perfection Heating & Air Conditioning INC

   San Francisco, CA · CSLB #887963 · as of October 6, 2026
   Active · clear
2. Andy's Mechanical

   San Francisco, CA · CSLB #931264 · as of October 6, 2026
   Active · clear
3. Apollo Heating And Ventilating

   San Francisco, CA · CSLB #1075227 · as of October 6, 2026
   Active · clear
4. Associated Heating Of San Francisco INC

   San Francisco, CA · CSLB #1001526 · as of October 6, 2026
   Active · clear
5. Associated Heating Of S F

   San Francisco, CA · CSLB #486084 · as of October 6, 2026
   Active · clear
6. Bay Air Heating & Cooling

   San Francisco, CA · CSLB #1156059 · as of October 6, 2026
   Active · clear
7. Bay Area Pipe & Equipment INC DBA Bay Area Mechanical

   San Francisco, CA · CSLB #1075566 · as of October 6, 2026
   Active · clear
8. Bing's Heating & Cooling CO

   San Francisco, CA · CSLB #651731 · as of October 6, 2026
   Active · clear
9. Bon Air Services

   San Francisco, CA · CSLB #821851 · as of October 6, 2026
   Active · clear
10. Two Guys Plumbing INC DBA Cabrillo Plumbing & Heating

    San Francisco, CA · CSLB #629538 · as of October 6, 2026
    Active · clear
11. Claddagh Refrigeration Company INC

    San Francisco, CA · CSLB #796321 · as of October 6, 2026
    Active · clear
12. Clever Heating And Cooling

    San Francisco, CA · CSLB #1155494 · as of October 6, 2026
    Active · clear
13. Dennis's Heating & Cooling

    San Francisco, CA · CSLB #1137367 · as of October 6, 2026
    Active · clear
14. William Duarte

    San Francisco, CA · CSLB #1099006 · as of October 6, 2026
    Active · clear
15. D & W HVAC INC

    San Francisco, CA · CSLB #773400 · as of October 6, 2026
    Active · clear
16. Dynamics LLC

    San Francisco, CA · CSLB #1109407 · as of October 6, 2026
    Active · clear
17. Jeremy A Everett

    San Francisco, CA · CSLB #948846 · as of October 6, 2026
    Active · clear
18. GB Heating & Cooling INC

    San Francisco, CA · CSLB #995876 · as of October 6, 2026
    Active · clear
19. Green Air Mechanical INC

    San Francisco, CA · CSLB #1047690 · as of October 6, 2026
    Active · clear
20. Greenflow HVAC INC

    San Francisco, CA · CSLB #940159 · as of October 6, 2026
    Active · clear
21. Helios Climate Industries

    San Francisco, CA · CSLB #1120465 · as of October 6, 2026
    Active · clear
22. Howe Furnace Company INC

    San Francisco, CA · CSLB #278286 · as of October 6, 2026
    Active · clear
23. Kohler Heating

    San Francisco, CA · CSLB #951781 · as of October 6, 2026
    Active · clear
24. Lampo Ac

    San Francisco, CA · CSLB #1156999 · as of October 6, 2026
    Active · clear
25. Lopez Heating

    San Francisco, CA · CSLB #1025103 · as of October 6, 2026
    Active · clear
26. Magic Plumbing

    San Francisco, CA · CSLB #698806 · as of October 6, 2026
    Active · clear
27. M C L Heating & Air Conditioning INC

    San Francisco, CA · CSLB #989383 · as of October 6, 2026
    Active · clear
28. Merino Installation Services LLC

    San Francisco, CA · CSLB #1161275 · as of October 6, 2026
    Active · clear
29. Nani Heating & Air Conditioning

    San Francisco, CA · CSLB #1063316 · as of October 6, 2026
    Active · clear
30. Bill Green JR DBA National Chimney

    San Francisco, CA · CSLB #733653 · as of October 6, 2026
    Active · clear
31. Nba Engineering INC

    San Francisco, CA · CSLB #654936 · as of October 6, 2026
    Active · clear
32. Next Service INC

    San Francisco, CA · CSLB #1104111 · as of October 6, 2026
    Active · clear
33. Nick Rothman

    San Francisco, CA · CSLB #1153277 · as of October 6, 2026
    Active · clear
34. No Limit Heating & Air Conditioning

    San Francisco, CA · CSLB #907886 · as of October 6, 2026
    Active · clear
35. Ocean Air Heating

    San Francisco, CA · CSLB #968927 · as of October 6, 2026
    Active · clear
36. Pacific Crest Mechanical

    San Francisco, CA · CSLB #1157942 · as of October 6, 2026
    Active · clear
37. Q4 Mechanical Corporation

    San Francisco, CA · CSLB #1006003 · as of October 6, 2026
    Active · open complaint
38. Renstrom Plumbing & Heating INC

    San Francisco, CA · CSLB #556995 · as of October 6, 2026
    Active · clear
39. RM Heating & Cooling Solutions LLC

    San Francisco, CA · CSLB #1137812 · as of October 6, 2026
    Active · clear
40. Schmitt Heating CO INC

    San Francisco, CA · CSLB #708941 · as of October 6, 2026
    Active · clear
41. S L Mechanical Contractors

    San Francisco, CA · CSLB #697542 · as of October 6, 2026
    Active · clear
42. Smart Home Appliance

    San Francisco, CA · CSLB #1149702 · as of October 6, 2026
    Active · clear
43. Joseph Bruno Sheet Metal CO INC DBA Standard Sheet Metal And

    San Francisco, CA · CSLB #413299 · as of October 6, 2026
    Active · clear
44. TD Mechanical Solution INC

    San Francisco, CA · CSLB #1156491 · as of October 6, 2026
    Active · clear
45. United HVAC Repair

    San Francisco, CA · CSLB #1152346 · as of October 6, 2026
    Active · clear
46. Vayu Industries INC

    San Francisco, CA · CSLB #1127295 · as of October 6, 2026
    Active · clear
47. William's Heating

    San Francisco, CA · CSLB #766335 · as of October 6, 2026
    Active · clear
48. Zhao David Haiming

    San Francisco, CA · CSLB #1140992 · as of October 6, 2026
    Active · clear
49. Z & H Mechanical Contractor

    San Francisco, CA · CSLB #901598 · as of October 6, 2026
    Active · clear
50. ZH Mechanical INC

    San Francisco, CA · CSLB #998449 · as of October 6, 2026
    Active · clear

See all Heating & Air Conditioning (C-20) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.