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 6, 2026.

Showing 361–420 of 8,936 contractors

1. Advanced Control

   Orinda, CA · CSLB #790912 · as of October 6, 2026
   Active · clear
2. Advanced Cooling And Heating

   Northridge, CA · CSLB #854549 · as of October 6, 2026
   Active · clear
3. Advanced - Cooling - System

   Escondido, CA · CSLB #855630 · as of October 6, 2026
   Active · clear
4. Advanced Equipment Repair INC

   Folsom, CA · CSLB #986255 · as of October 6, 2026
   Active · clear
5. Advanced Heating And Air Conditioning

   Tehachapi, CA · CSLB #739789 · as of October 6, 2026
   Active · clear
6. Advanced Heating And Air Conditioning

   Fresno, CA · CSLB #878105 · as of October 6, 2026
   Active · clear
7. Advanced Heating And Air Conditioning

   Temecula, CA · CSLB #916901 · as of October 6, 2026
   Active · clear
8. Advanced Heating And Air Conditioning CO INC

   N Hollywood, CA · CSLB #136105 · as of October 6, 2026
   Active · clear
9. Advanced Heating And Air Conditioning Enterprises INC

   Lompoc, CA · CSLB #961455 · as of October 6, 2026
   Active · clear
10. Advanced Heating And Air Contractors

    Atwater, CA · CSLB #966433 · as of October 6, 2026
    Active · clear
11. Advanced HVAC Solutions

    Chino, CA · CSLB #1159232 · as of October 6, 2026
    Active · clear
12. Advanced Mechanical Air Conditioning & Heating

    Yucca Valley, CA · CSLB #880070 · as of October 6, 2026
    Active · clear
13. Advanced Mechanical Air Systems INC

    Moreno Valley, CA · CSLB #941628 · as of October 6, 2026
    Active · clear
14. Advanced Mechanical Services INC

    Pacifica, CA · CSLB #689384 · as of October 6, 2026
    Active · clear
15. Advanced Mechanical Services Of Southern California

    Riverside, CA · CSLB #876948 · as of October 6, 2026
    Active · clear
16. Advanced Performance Heating And Air Conditioning

    Camarillo, CA · CSLB #1005604 · as of October 6, 2026
    Active · clear
17. Advanced Solutions & Services INC DBA Advanced Plumbing Heating

    Vacaville, CA · CSLB #846530 · as of October 6, 2026
    Active · clear
18. Advanced Plumbing Heating And Air Conditioning INC

    San Dimas, CA · CSLB #1054566 · as of October 6, 2026
    Active · clear
19. Advanced Plumbing & Rooter Service INC

    North Highlands, CA · CSLB #968752 · as of October 6, 2026
    Active · clear
20. Advanced Solutions Heating And Air Conditioning INC

    San Mateo, CA · CSLB #842594 · as of October 6, 2026
    Active · clear
21. Advanced Systems Services INC

    Upland, CA · CSLB #792602 · as of October 6, 2026
    Active · clear
22. Advanced Tech 209 INC

    Stockton, CA · CSLB #1089559 · as of October 6, 2026
    Active · clear
23. Advanced Tech Air Systems INC

    Granada Hills, CA · CSLB #1082775 · as of October 6, 2026
    Active · clear
24. Advanced Technical HVAC

    Milpitas, CA · CSLB #1133034 · as of October 6, 2026
    Active · clear
25. Advance Heating And Cooling Works

    Hayward, CA · CSLB #882025 · as of October 6, 2026
    Active · clear
26. Advance HVAC

    Palmdale, CA · CSLB #1080719 · as of October 6, 2026
    Active · clear
27. Advantage Air

    Long Beach, CA · CSLB #956451 · as of October 6, 2026
    Active · clear
28. Advantage Air Conditioning

    Menifee, CA · CSLB #824328 · as of October 6, 2026
    Active · clear
29. Advantage Appliance Service

    La Mesa, CA · CSLB #772502 · as of October 6, 2026
    Active · clear
30. Advantage Heating And Air

    Temecula, CA · CSLB #1160385 · as of October 6, 2026
    Active · clear
31. Advantage Heating And Sheet Metal INC

    Hollister, CA · CSLB #971539 · as of October 6, 2026
    Active · clear
32. Advantage H V A C

    Anaheim, CA · CSLB #734759 · as of October 6, 2026
    Active · clear
33. Advent Air Solutions INC

    Perris, CA · CSLB #1134297 · as of October 6, 2026
    Active · clear
34. Adx Consulting LLC

    Long Beach, CA · CSLB #1125561 · as of October 6, 2026
    Active · clear
35. Ae Havc

    La Puente, CA · CSLB #1029339 · as of October 6, 2026
    Active · clear
36. A & E Heating And Air Conditioning

    Fresno, CA · CSLB #889581 · as of October 6, 2026
    Active · clear
37. Aelott Air Conditioning LLC

    Escondido, CA · CSLB #1117238 · as of October 6, 2026
    Active · clear
38. Aeolus Heating And Air Conditioning Services Corporation

    Reseda, CA · CSLB #1109747 · as of October 6, 2026
    Active · clear
39. Aeria HVAC

    Idyllwild, CA · CSLB #1143093 · as of October 6, 2026
    Active · clear
40. Aerify Heating And Air

    Lakeside, CA · CSLB #975547 · as of October 6, 2026
    Active · clear
41. Aeris Mechanical INC

    San Diego, CA · CSLB #981088 · as of October 6, 2026
    Active · clear
42. Aeris Mep

    Los Angeles, CA · CSLB #1105183 · as of October 6, 2026
    Active · clear
43. Aero Ducks Heating And Air Conditioning

    Truckee, CA · CSLB #1032129 · as of October 6, 2026
    Active · clear
44. Aerodynamix HVAC INC

    Los Angeles, CA · CSLB #809875 · as of October 6, 2026
    Active · clear
45. Aero Fresh Industries INC

    Bloomington, CA · CSLB #598600 · as of October 6, 2026
    Active · clear
46. Aeronex Heating & Cooling INC

    Tarzana, CA · CSLB #1143747 · as of October 6, 2026
    Active · clear
47. Aerotech Heating And Air Conditioning

    Elk Grove, CA · CSLB #610100 · as of October 6, 2026
    Active · clear
48. Aer Systems LLC

    Carlsbad, CA · CSLB #1143473 · as of October 6, 2026
    Active · clear
49. A F Air Conditioning & Heating INC

    Agoura, CA · CSLB #770477 · as of October 6, 2026
    Active · clear
50. A F D Heating And Air

    Riverside, CA · CSLB #1112535 · as of October 6, 2026
    Active · clear
51. A Fedair

    Morgan Hill, CA · CSLB #1021410 · as of October 6, 2026
    Active · clear
52. Affinity Refrigeration And HVAC INC.

    Anaheim, CA · CSLB #991102 · as of October 6, 2026
    Active · clear
53. Affordable 1 Heating & Air

    Smartville, CA · CSLB #1134064 · as of October 6, 2026
    Active · clear
54. Affordable Air And Heating

    Quartz Hill, CA · CSLB #840652 · as of October 6, 2026
    Active · clear
55. Affordable Air Care

    Sacramento, CA · CSLB #1059818 · as of October 6, 2026
    Active · clear
56. Affordable Air Conditioning

    La Verne, CA · CSLB #803299 · as of October 6, 2026
    Active · clear
57. Affordable Air Conditioning

    Beaumont, CA · CSLB #1117911 · as of October 6, 2026
    Active · clear
58. Affordable Air Conditioning & Heating INC

    Moreno Valley, CA · CSLB #1112940 · as of October 6, 2026
    Active · clear
59. Affordable Comfort

    Fontana, CA · CSLB #982404 · as of October 6, 2026
    Active · clear
60. Affordable Comfort HVAC

    Sacramento, CA · CSLB #1159963 · as of October 6, 2026
    Active · clear

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.