Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,936 California contractors classified C-20 (Heating & Air Conditioning (C-20)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 7,501–7,560 of 8,936 contractors

1. Steve's Heating & Air Conditioning

   Walnut, CA · CSLB #1029672 · as of October 8, 2026
   Active · clear
2. Steve's Heating And Air

   Whittier, CA · CSLB #388776 · as of October 8, 2026
   Active · clear
3. Steves Heating And Air Conditioning

   Upland, CA · CSLB #744873 · as of October 8, 2026
   Active · clear
4. Steve's Heating & Cooling

   Napa, CA · CSLB #612317 · as of October 8, 2026
   Active · clear
5. Steve's Super Cool A/c Services

   Bermuda Dunes, CA · CSLB #759014 · as of October 8, 2026
   Active · clear
6. James R Steward

   Garden Grove, CA · CSLB #1004538 · as of October 8, 2026
   Active · clear
7. Stewart Air Systems

   Irwindale, CA · CSLB #975647 · as of October 8, 2026
   Active · clear
8. R O Stewart Plumbing & Heating CO

   Los Angeles, CA · CSLB #186403 · as of October 8, 2026
   Active · clear
9. ST Heating And Air Conditioning

   La Mesa, CA · CSLB #1039239 · as of October 8, 2026
   Active · clear
10. STJ Energy

    Gold River, CA · CSLB #975678 · as of October 8, 2026
    Active · clear
11. ST Louis Heating & Cooling

    Murrieta, CA · CSLB #1101868 · as of October 8, 2026
    Active · clear
12. Mark Stockwell

    Fowler, CA · CSLB #676073 · as of October 8, 2026
    Active · clear
13. Camarin Stone

    Rancho Cucamonga, CA · CSLB #1101818 · as of October 8, 2026
    Active · clear
14. Stone Heating & Air INC

    Central Point, CA · CSLB #1155748 · as of October 8, 2026
    Active · clear
15. Story Heating And Air

    Chico, CA · CSLB #842922 · as of October 8, 2026
    Active · clear
16. Stout Air

    Marysville, CA · CSLB #953822 · as of October 8, 2026
    Active · clear
17. Stout's Heating & Ac

    Santa Rosa, CA · CSLB #1016168 · as of October 8, 2026
    Active · clear
18. Straight Forward Heating And Air

    Rancho Cucamonga, CA · CSLB #1036170 · as of October 8, 2026
    Active · clear
19. Straight Shooter Heating And Air INC

    Santee, CA · CSLB #1106678 · as of October 8, 2026
    Active · clear
20. Strang Heating And Air Conditioning INC

    El Cajon, CA · CSLB #845406 · as of October 8, 2026
    Active · clear
21. Richard Strang JR

    El Cajon, CA · CSLB #520600 · as of October 8, 2026
    Active · clear
22. Strategic Facility Support

    Morgan Hill, CA · CSLB #941813 · as of October 8, 2026
    Active · clear
23. Streamline Air Conditioning & Heating

    Bakersfield, CA · CSLB #1079823 · as of October 8, 2026
    Active · clear
24. Stronghold HVAC

    Jurupa Valley, CA · CSLB #1101225 · as of October 8, 2026
    Active · clear
25. S R Viescas INC DBA Stuart Rose HTG & A C

    Moorpark, CA · CSLB #1054897 · as of October 8, 2026
    Active · clear
26. Stuckert Heating & Sheet Metal INC

    Daly City, CA · CSLB #678733 · as of October 8, 2026
    Active · clear
27. Studio Air Conditioning INC

    Calabasas, CA · CSLB #709348 · as of October 8, 2026
    Active · clear
28. Stumbo Air Conditioning And Heating

    Bakersfield, CA · CSLB #737917 · as of October 8, 2026
    Active · clear
29. Sturges Heating & Air Conditioning

    Long Beach, CA · CSLB #955752 · as of October 8, 2026
    Active · clear
30. S T W HVAC

    Walnut, CA · CSLB #968650 · as of October 8, 2026
    Active · clear
31. Style Crest INC

    Fremont, CA · CSLB #856181 · as of October 8, 2026
    Active · clear
32. Suarez Heating And Air

    Wildomar, CA · CSLB #1124185 · as of October 8, 2026
    Active · clear
33. Suazo's Heating And Air Conditioning

    Covina, CA · CSLB #435707 · as of October 8, 2026
    Active · clear
34. Subcool Heating & Air Conditioning INC

    Desert Hot Springs, CA · CSLB #1140968 · as of October 8, 2026
    Active · clear
35. Subcool INC

    La Crescenta, CA · CSLB #941269 · as of October 8, 2026
    Active · clear
36. Subcooling Heating & Air INC

    Temecula, CA · CSLB #1072513 · as of October 8, 2026
    Active · clear
37. Sublime Air

    Lynwood, CA · CSLB #980875 · as of October 8, 2026
    Active · clear
38. Sublime Air Conditioning And Heating INC

    Indio, CA · CSLB #1130888 · as of October 8, 2026
    Active · clear
39. Subtech HVAC

    Anaheim, CA · CSLB #1103909 · as of October 8, 2026
    Active · clear
40. Sub Zero

    Clovis, CA · CSLB #1025371 · as of October 8, 2026
    Active · clear
41. Subzero Comfort

    Glendale, CA · CSLB #1156994 · as of October 8, 2026
    Active · clear
42. Sub Zero Heating And Air Conditioning

    Orange, CA · CSLB #1037758 · as of October 8, 2026
    Active · clear
43. Subzero Mechanical

    Chino, CA · CSLB #1039487 · as of October 8, 2026
    Active · clear
44. Sudden Air

    Arleta, CA · CSLB #911450 · as of October 8, 2026
    Active · clear
45. Suisun Valley Sheet Metal INC

    Suisun City, CA · CSLB #915017 · as of October 8, 2026
    Active · clear
46. Sum Air HVAC INC

    Sun Valley, CA · CSLB #1085454 · as of October 8, 2026
    Active · clear
47. Summer Air

    Simi Valley, CA · CSLB #725295 · as of October 8, 2026
    Active · clear
48. Summer Breeze Cooling & Heating

    West Covina, CA · CSLB #1041165 · as of October 8, 2026
    Active · clear
49. Summit Air Conditioning And Heating

    Moorpark, CA · CSLB #684859 · as of October 8, 2026
    Active · clear
50. Summit Air Conditioning And Heating

    Farmersville, CA · CSLB #1153275 · as of October 8, 2026
    Active · clear
51. Summit Aire

    Santa Maria, CA · CSLB #972452 · as of October 8, 2026
    Active · clear
52. Air Works INC DBA Summit Airworks

    Rocklin, CA · CSLB #862441 · as of October 8, 2026
    Active · clear
53. Summit Climate Solutions INC

    Encino, CA · CSLB #1146447 · as of October 8, 2026
    Active · clear
54. Summit Comfort Solutions LLC

    Oroville, CA · CSLB #1155981 · as of October 8, 2026
    Active · clear
55. Summit Cooling And Heating

    Riverside, CA · CSLB #986084 · as of October 8, 2026
    Active · clear
56. Summit Heating & Air

    Modesto, CA · CSLB #1144357 · as of October 8, 2026
    Active · clear
57. Summit Heating And Cooling

    N Palm Springs, CA · CSLB #977832 · as of October 8, 2026
    Active · clear
58. Summit Mechanical INC

    Fresno, CA · CSLB #1158974 · as of October 8, 2026
    Active · clear
59. Sumter Heating & Air INC

    Temecula, CA · CSLB #1151868 · as of October 8, 2026
    Active · clear
60. Sun Air Conditioning And Heating

    Sylmar, CA · CSLB #1016753 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.