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 1–60 of 8,936 contractors

1. Best Air & Heating CO

   West Hills, CA · CSLB #1050676 · as of October 6, 2026
   Suspended · bond payout
2. Darrin Durbin

   San Juan Capistrano, CA · CSLB #1028512 · as of October 6, 2026
   Suspended · bond payout
3. Indoor Climate Services

   Oakdale, CA · CSLB #956000 · as of October 6, 2026
   Suspended · bond payout
4. Pure Air Heating & Cooling

   Manteca, CA · CSLB #832115 · as of October 6, 2026
   Suspended · bond payout
5. Think Home Services HVAC

   San Jose, CA · CSLB #1034310 · as of October 6, 2026
   Suspended · bond payout
6. 100 Degree Mechanical

   Stockton, CA · CSLB #1122898 · as of October 6, 2026
   Active · clear
7. 101 Ac & Heating INC

   Oxnard, CA · CSLB #1141177 · as of October 6, 2026
   Active · clear
8. 101 Plumbing Heating And Cooling

   Novato, CA · CSLB #1124487 · as of October 6, 2026
   Active · clear
9. 104 Air Heating And Cooling LLC

   Madera, CA · CSLB #1161862 · as of October 6, 2026
   Active · clear
10. 10perature Heating And Air Conditioning

    Garden Grove, CA · CSLB #1070595 · as of October 6, 2026
    Active · clear
11. 110 Pro HVAC INC

    Encino, CA · CSLB #788471 · as of October 6, 2026
    Active · clear
12. 1111 Heating And Air Conditioning

    Corona, CA · CSLB #1103657 · as of October 6, 2026
    Active · clear
13. 11 11 Heating And Cooling

    San Bernardino, CA · CSLB #1116625 · as of October 6, 2026
    Active · clear
14. 1111 HVAC Services LLC

    Menifee, CA · CSLB #1120510 · as of October 6, 2026
    Active · clear
15. 1800 Anytime Plumbing Heating & Air

    Coronado, CA · CSLB #1079616 · as of October 6, 2026
    Active · clear
16. 1-800-coolness

    Fullerton, CA · CSLB #871741 · as of October 6, 2026
    Active · clear
17. 1-800 Plumber + Air Of Monterey

    Seaside, CA · CSLB #1106294 · as of October 6, 2026
    Active · clear
18. 1-877 Appliance Repair INC

    La Mesa, CA · CSLB #1066554 · as of October 6, 2026
    Active · clear
19. 1 Ac Guys

    Panorama City, CA · CSLB #1138177 · as of October 6, 2026
    Active · clear
20. 1 Aircare HVAC

    Oakdale, CA · CSLB #1067669 · as of October 6, 2026
    Active · clear
21. 1 Haro 1 LLC

    San Jose, CA · CSLB #1109668 · as of October 6, 2026
    Active · clear
22. 1ST Call Refrigeration INC

    Whittier, CA · CSLB #1096477 · as of October 6, 2026
    Active · clear
23. 1ST Choice Air Solutions

    San Bernardino, CA · CSLB #1152700 · as of October 6, 2026
    Active · clear
24. 1ST Choice Heating & Air Conditioning INC

    Lake Forest, CA · CSLB #1006824 · as of October 6, 2026
    Active · clear
25. 1ST Gen HVAC LLC

    Richmond, CA · CSLB #1136645 · as of October 6, 2026
    Active · clear
26. 1ST HVAC INC

    Moorpark, CA · CSLB #1071372 · as of October 6, 2026
    Active · clear
27. 1ST Team Air Conditioning INC

    Murrieta, CA · CSLB #862356 · as of October 6, 2026
    Active · clear
28. 2020 Heating & Air INC

    San Jose, CA · CSLB #1092631 · as of October 6, 2026
    Active · clear
29. 20 / 20 Plumbing & Heating INC

    Riverside, CA · CSLB #1001965 · as of October 6, 2026
    Active · clear
30. 20th Century Air INC

    Murrieta, CA · CSLB #511598 · as of October 6, 2026
    Active · clear
31. 21st Century Air Master H V A C INC

    Aliso Viejo, CA · CSLB #981744 · as of October 6, 2026
    Active · clear
32. 23 1/2 Hour Home Services INC

    Palm Springs, CA · CSLB #831798 · as of October 6, 2026
    Active · clear
33. 24/7 Air Conditioning

    San Antonio, CA · CSLB #826263 · as of October 6, 2026
    Active · clear
34. 24/7 Comfort Cooling & Heating

    Jurupa Valley, CA · CSLB #1149972 · as of October 6, 2026
    Active · clear
35. 24/7 Drain Rooter INC

    El Cajon, CA · CSLB #1015867 · as of October 6, 2026
    Active · clear
36. 2 Elements Heating & A/c

    Hacienda Heights, CA · CSLB #1131510 · as of October 6, 2026
    Active · clear
37. 310 HVAC LLC

    Mar Vista, CA · CSLB #1141651 · as of October 6, 2026
    Active · clear
38. 360 Air Conditioning

    Los Angeles, CA · CSLB #1083964 · as of October 6, 2026
    Active · clear
39. 360 Heating & Air

    Los Angeles, CA · CSLB #955189 · as of October 6, 2026
    Active · clear
40. 3D Heating And Air LLC

    Sacramento, CA · CSLB #1087804 · as of October 6, 2026
    Active · clear
41. 3e Air INC

    Tulare, CA · CSLB #974718 · as of October 6, 2026
    Active · clear
42. 3 Elements Heating & Cooling INC

    Newman, CA · CSLB #1140551 · as of October 6, 2026
    Active · clear
43. 3in1 Control INC

    West Sacramento, CA · CSLB #845384 · as of October 6, 2026
    Active · clear
44. 3rdgen Home Services DBA 3rdgen Heating And Cooling

    Berkeley, CA · CSLB #1086898 · as of October 6, 2026
    Active · clear
45. 405 HVAC

    Irvine, CA · CSLB #1080202 · as of October 6, 2026
    Active · clear
46. 411 Heating & Ac LLC

    Clayton, CA · CSLB #993500 · as of October 6, 2026
    Active · clear
47. 4 G Heating & Air

    Manteca, CA · CSLB #1044384 · as of October 6, 2026
    Active · clear
48. 4 M Mechanical INC

    San Diego, CA · CSLB #1159043 · as of October 6, 2026
    Active · clear
49. 4 Points A/c And Heating

    San Bernardino, CA · CSLB #919714 · as of October 6, 2026
    Active · clear
50. 4 S Air INC

    Rancho Cucamonga, CA · CSLB #931194 · as of October 6, 2026
    Active · clear
51. 4 Season Air

    Sylmar, CA · CSLB #1142517 · as of October 6, 2026
    Active · clear
52. 4-seasons Heating & Air Conditioning

    Castro Valley, CA · CSLB #962971 · as of October 6, 2026
    Active · clear
53. 4 Seasons HVAC

    Monrovia, CA · CSLB #1033914 · as of October 6, 2026
    Active · clear
54. 4 Winds Mechanical INC

    Sacramento, CA · CSLB #1056588 · as of October 6, 2026
    Active · clear
55. 57 Heating And Air Conditioning

    Fullerton, CA · CSLB #1130374 · as of October 6, 2026
    Active · clear
56. 5 Star Best Plumbing

    Newhall, CA · CSLB #1041772 · as of October 6, 2026
    Active · clear
57. 5 Star Heating & Cooling

    Paramount, CA · CSLB #1063979 · as of October 6, 2026
    Active · clear
58. 5 Star Mechanical INC

    San Diego, CA · CSLB #1157122 · as of October 6, 2026
    Active · clear
59. 5 Star Plumbing Heating & Air Cond

    Los Banos, CA · CSLB #888404 · as of October 6, 2026
    Active · clear
60. 5 Star Plumbing Heating & Air INC

    Hemet, CA · CSLB #1014340 · 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.