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

The California Contractors State License Board (CSLB) lists 8,999 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 June 28, 2026.

Showing 1,021–1,080 of 8,999 contractors

1. All Pro Refrigeration INC

   Rancho Cucamonga, CA · CSLB #1038018 · as of June 28, 2026
   Active · clear
2. All Region INC

   North Hollywood, CA · CSLB #1037768 · as of June 28, 2026
   Active · clear
3. All Repair Hvacr INC

   Chula Vista, CA · CSLB #1140525 · as of June 28, 2026
   Active · clear
4. All Season Heat And Air

   Stockton, CA · CSLB #751993 · as of June 28, 2026
   Active · clear
5. All Season Heating & Air

   Janesville, CA · CSLB #1030669 · as of June 28, 2026
   Active · clear
6. All Season Heating & Air Conditioning

   Chico, CA · CSLB #860568 · as of June 28, 2026
   Active · clear
7. All Season Heating And Cooling

   La Crescenta, CA · CSLB #604600 · as of June 28, 2026
   Active · clear
8. All Seasons Air Solutions INC

   Bakersfield, CA · CSLB #1087627 · as of June 28, 2026
   Active · clear
9. All Seasons Heating & A/c

   Atwater, CA · CSLB #832273 · as of June 28, 2026
   Active · clear
10. All Seasons Heating & Air Conditioning

    Chico, CA · CSLB #909575 · as of June 28, 2026
    Active · clear
11. All Seasons Heating & Air Conditioning

    Oakland, CA · CSLB #587252 · as of June 28, 2026
    Active · clear
12. All Seasons Heating & Air Conditioning

    Huntington Beach, CA · CSLB #653620 · as of June 28, 2026
    Active · clear
13. All Seasons Heating & Air Conditioning

    North Highlands, CA · CSLB #553304 · as of June 28, 2026
    Active · clear
14. All Seasons Heating & Air Conditioning Services

    Meadow Vista, CA · CSLB #583865 · as of June 28, 2026
    Active · clear
15. All Seasons HVAC Control INC

    Tarzana, CA · CSLB #979541 · as of June 28, 2026
    Active · clear
16. All Seasons Plumbing

    South Lake Tahoe, CA · CSLB #410706 · as of June 28, 2026
    Active · clear
17. All Seasons Premium Heating & Air

    San Bernardino, CA · CSLB #1117091 · as of June 28, 2026
    Active · clear
18. All Seasons Temperature

    Moreno Valley, CA · CSLB #1139807 · as of June 28, 2026
    Active · clear
19. All Star A / C

    National City, CA · CSLB #943414 · as of June 28, 2026
    Active · clear
20. All Star A/c

    Northridge, CA · CSLB #650404 · as of June 28, 2026
    Active · clear
21. All Star A/c & Heating Ngov

    Fairfield, CA · CSLB #1094269 · as of June 28, 2026
    Active · clear
22. Allstar Heating & Air Conditioning INC

    Walnut, CA · CSLB #969939 · as of June 28, 2026
    Active · clear
23. H Poor And Company INC DBA Allstar Heating And Air Conditioning

    Buellton, CA · CSLB #608469 · as of June 28, 2026
    Active · clear
24. All Star HVAC

    Antioch, CA · CSLB #1076138 · as of June 28, 2026
    Active · clear
25. All Star HVAC INC

    Anaheim, CA · CSLB #1078794 · as of June 28, 2026
    Active · clear
26. All Star Mechanical Heating & Cooling

    Riverside, CA · CSLB #1142279 · as of June 28, 2026
    Active · clear
27. All Star Services Cooling & Heating INC

    Indio, CA · CSLB #1078348 · as of June 28, 2026
    Active · clear
28. All Stars Service CO

    San Juan Capistrano, CA · CSLB #822503 · as of June 28, 2026
    Active · clear
29. All Systems Mechanical

    Santa Clarita, CA · CSLB #1051527 · as of June 28, 2026
    Active · clear
30. Alltemp Ca Holdings LLC

    Kahului, CA · CSLB #1148370 · as of June 28, 2026
    Active · clear
31. All Temperatures Controlled INC

    Chatsworth, CA · CSLB #658722 · as of June 28, 2026
    Active · clear
32. All Temperatures INC

    City Of Industry, CA · CSLB #1085863 · as of June 28, 2026
    Active · clear
33. All-temp Heating & Air Conditioning

    Mammoth Lakes, CA · CSLB #987076 · as of June 28, 2026
    Active · clear
34. All Temp Mechanical INC

    Escondido, CA · CSLB #1109066 · as of June 28, 2026
    Active · clear
35. All - Temp Refrigeration Heating & Air Conditioning INC

    King City, CA · CSLB #1012598 · as of June 28, 2026
    Active · clear
36. All Temp Systems INC

    Los Angeles, CA · CSLB #984374 · as of June 28, 2026
    Active · clear
37. All Things Mechanical INC

    Nipomo, CA · CSLB #1093909 · as of June 28, 2026
    Active · clear
38. All Time Heating & Air

    Highland, CA · CSLB #1145885 · as of June 28, 2026
    Active · clear
39. All Toasty_heating & Ac

    Camarillo, CA · CSLB #948779 · as of June 28, 2026
    Active · clear
40. All Valley Air

    Palm Desert, CA · CSLB #859431 · as of June 28, 2026
    Active · clear
41. All Valley Air Conditioning & Heating

    Fresno, CA · CSLB #1053023 · as of June 28, 2026
    Active · clear
42. All Valley Air Heating-air Conditioning

    Simi Valley, CA · CSLB #462921 · as of June 28, 2026
    Active · clear
43. All Valley Heating And Air Conditioning

    Valencia, CA · CSLB #614903 · as of June 28, 2026
    Active · clear
44. All Valley Heating And Air INC

    Covina, CA · CSLB #1127428 · as of June 28, 2026
    Active · clear
45. All Valley Heating & Cooling INC

    Tulare, CA · CSLB #1154673 · as of June 28, 2026
    Active · clear
46. All Valley Refrigeration INC

    Woodland Hills, CA · CSLB #968515 · as of June 28, 2026
    Active · clear
47. Allwayz Heating & Air Conditioning INC

    Diamond Bar, CA · CSLB #1097372 · as of June 28, 2026
    Active · clear
48. All Weather Air Conditioning & Heating

    Lakeside, CA · CSLB #606061 · as of June 28, 2026
    Active · clear
49. All Weather Air Conditioning Heating & Refrigeration Plumbing

    Madera, CA · CSLB #953062 · as of June 28, 2026
    Active · clear
50. All Weather Heating & Air Conditioning INC

    Vacaville, CA · CSLB #949796 · as of June 28, 2026
    Active · clear
51. All Weather INC

    Goleta, CA · CSLB #782033 · as of June 28, 2026
    Active · clear
52. All Weather Masters INC

    North Hollywood, CA · CSLB #1094428 · as of June 28, 2026
    Active · clear
53. All Year Heating Air

    Newhall, CA · CSLB #1103283 · as of June 28, 2026
    Active · clear
54. All Zone Heating & Cooling CO

    Madera, CA · CSLB #1077551 · as of June 28, 2026
    Active · clear
55. Almas Heating & Air

    Roseville, CA · CSLB #1150875 · as of June 28, 2026
    Active · clear
56. Almejo Air Service

    Rancho Santa Margarita, CA · CSLB #1053236 · as of June 28, 2026
    Active · clear
57. Aloha Air Conditioning And Heating INC

    Redondo Beach, CA · CSLB #1105978 · as of June 28, 2026
    Active · clear
58. Aloha Heating And Cooling

    Meadow Vista, CA · CSLB #738967 · as of June 28, 2026
    Active · clear
59. Alonso's Heating And Cooling

    Santa Clarita, CA · CSLB #1108058 · as of June 28, 2026
    Active · clear
60. Alpes Cooling & Heating

    Hayward, CA · CSLB #1133150 · as of June 28, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 28, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.