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 7, 2026.

Showing 961–1,020 of 8,936 contractors

1. All Around Heating And Air - Conditioning

   Moreno Valley, CA · CSLB #889646 · as of October 7, 2026
   Active · clear
2. All Brand Air INC

   Bakersfield, CA · CSLB #1047206 · as of October 7, 2026
   Active · clear
3. All Brands Appliance Service

   Chula Vista, CA · CSLB #740901 · as of October 7, 2026
   Active · clear
4. All Care Services Heating & Air

   Turlock, CA · CSLB #1144491 · as of October 7, 2026
   Active · clear
5. All City Heating Air & Plumbing

   Cerritos, CA · CSLB #825443 · as of October 7, 2026
   Active · clear
6. All Climate Heating & Air INC

   Oceanside, CA · CSLB #988693 · as of October 7, 2026
   Active · clear
7. All Climates Controlled

   San Clemente, CA · CSLB #756103 · as of October 7, 2026
   Active · clear
8. All Climate Solutions INC

   Antelope, CA · CSLB #1088526 · as of October 7, 2026
   Active · clear
9. All Coast Ac

   Riverside, CA · CSLB #785041 · as of October 7, 2026
   Active · clear
10. All Comfort HVAC INC

    Granada Hills, CA · CSLB #1091087 · as of October 7, 2026
    Active · clear
11. All County Air Conditioning & Heating INC

    Ventura, CA · CSLB #1087685 · as of October 7, 2026
    Active · clear
12. All Day Heating And Air Conditioning LLC

    Oceanside, CA · CSLB #1048737 · as of October 7, 2026
    Active · clear
13. All Day Heating & Cooling INC

    Palm Desert, CA · CSLB #1008011 · as of October 7, 2026
    Active · clear
14. All Desert Cities Air Conditioning

    Joshua Tree, CA · CSLB #724204 · as of October 7, 2026
    Active · clear
15. All Desert Plumbing Heating And Air Conditioning LLC

    Palm Desert, CA · CSLB #811885 · as of October 7, 2026
    Active · clear
16. Allegiance 76 Heating And Air Conditioning LLC

    Anaheim, CA · CSLB #1156380 · as of October 7, 2026
    Active · clear
17. Allegiance Air & Mechanical

    Victorville, CA · CSLB #989337 · as of October 7, 2026
    Active · clear
18. Allegiance Air & Mechanical INC

    Victorville, CA · CSLB #1155934 · as of October 7, 2026
    Active · clear
19. Allegiance Heating & Air Conditioning INC

    Santee, CA · CSLB #548700 · as of October 7, 2026
    Active · clear
20. Allen Air

    Valencia, CA · CSLB #852451 · as of October 7, 2026
    Active · clear
21. Allen Air

    Anaheim, CA · CSLB #926330 · as of October 7, 2026
    Active · clear
22. Allenair Heating And Cooling

    Redding, CA · CSLB #1125181 · as of October 7, 2026
    Active · clear
23. All Fast Air Conditioning & Heating

    Fontana, CA · CSLB #826079 · as of October 7, 2026
    Active · clear
24. All Four Seasons Air Conditioning & Heating INC

    Agoura Hills, CA · CSLB #788533 · as of October 7, 2026
    Active · clear
25. All Heart Heating Cooling And Plumbing

    Lancaster, CA · CSLB #918467 · as of October 7, 2026
    Active · clear
26. All Heating And Air CO

    Lancaster, CA · CSLB #1097597 · as of October 7, 2026
    Active · clear
27. All Home Appliance Repair

    San Jose, CA · CSLB #901843 · as of October 7, 2026
    Active · clear
28. All HVAC Services INC

    West Sacramento, CA · CSLB #1098442 · as of October 7, 2026
    Active · clear
29. All HVAC Systems LLC

    Tracy, CA · CSLB #1126393 · as of October 7, 2026
    Active · clear
30. Alliance Air Care

    Yuba City, CA · CSLB #1143199 · as of October 7, 2026
    Active · clear
31. Alliance Fabrication & HVAC, INC

    Bakersfield, CA · CSLB #1077838 · as of October 7, 2026
    Active · clear
32. Alliance Heating & Air

    Manteca, CA · CSLB #892199 · as of October 7, 2026
    Active · clear
33. Alliance Heating And Air Conditioning

    Palmdale, CA · CSLB #857811 · as of October 7, 2026
    Active · clear
34. Alliance Heating And Air Conditioning INC

    Santa Ana, CA · CSLB #840838 · as of October 7, 2026
    Active · clear
35. Alliance HVAC INC

    Reseda, CA · CSLB #1008553 · as of October 7, 2026
    Active · clear
36. Alliance Mechanical Services

    Sacramento, CA · CSLB #805399 · as of October 7, 2026
    Active · clear
37. Allied Heating & Air Conditioning CO INC

    San Rafael, CA · CSLB #453261 · as of October 7, 2026
    Active · clear
38. Allied Mechanical Air Systems INC

    Baldwin Park, CA · CSLB #602765 · as of October 7, 2026
    Active · clear
39. Allied Mechanical Nevada LLC

    Sparks, CA · CSLB #1122201 · as of October 7, 2026
    Active · clear
40. All In Heating And Cooling LLC

    Redwood Valley, CA · CSLB #1082921 · as of October 7, 2026
    Active · clear
41. All - In - One Air Conditioning & Heating

    Redlands, CA · CSLB #915508 · as of October 7, 2026
    Active · clear
42. Allison Air Comfort Solutions

    San Jose, CA · CSLB #1149559 · as of October 7, 2026
    Active · clear
43. Allison Air Conditioning And Heating INC

    Corona, CA · CSLB #545500 · as of October 7, 2026
    Active · clear
44. Allison Mechanical

    Redlands, CA · CSLB #670137 · as of October 7, 2026
    Active · clear
45. All Knight Heating & Air Conditioning INC

    La Quinta, CA · CSLB #771254 · as of October 7, 2026
    Active · clear
46. All Mechanical Services INC

    Fresno, CA · CSLB #804268 · as of October 7, 2026
    Active · clear
47. All New Air Conditioning And Heating

    Glendale, CA · CSLB #851416 · as of October 7, 2026
    Active · clear
48. All Plumbing & Air Solutions

    Riverside, CA · CSLB #1008227 · as of October 7, 2026
    Active · clear
49. All Pro - Air

    Fresno, CA · CSLB #843324 · as of October 7, 2026
    Active · clear
50. All Pro Air Systems

    San Jose, CA · CSLB #1112017 · as of October 7, 2026
    Active · clear
51. All Pro Heating And Air Conditioning INC

    Folsom, CA · CSLB #712597 · as of October 7, 2026
    Active · clear
52. All-pro Heating & Cooling

    Milpitas, CA · CSLB #1142736 · as of October 7, 2026
    Active · clear
53. Allpro Mechanical Contractor INC

    La Habra, CA · CSLB #1106077 · as of October 7, 2026
    Active · clear
54. All Pro Refrigeration INC

    Rancho Cucamonga, CA · CSLB #1038018 · as of October 7, 2026
    Active · clear
55. All Region INC

    North Hollywood, CA · CSLB #1037768 · as of October 7, 2026
    Active · clear
56. All Season Heating & Air

    Janesville, CA · CSLB #1030669 · as of October 7, 2026
    Active · clear
57. All Season Heating & Air Conditioning

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

    La Crescenta, CA · CSLB #604600 · as of October 7, 2026
    Active · clear
59. All Seasons Air Conditioning Plumbing And Heating

    Palm Desert, CA · CSLB #1082238 · as of October 7, 2026
    Active · clear
60. All Seasons Air Solutions INC

    Bakersfield, CA · CSLB #1087627 · as of October 7, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.