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 961–1,020 of 8,999 contractors

1. Allan's Heating & Cooling & Appliance Repair

   Sacramento, CA · CSLB #977160 · as of June 28, 2026
   Active · clear
2. All Appliance & HVAC Service INC

   Sunnyvale, CA · CSLB #977789 · as of June 28, 2026
   Active · clear
3. All Around Heating And Air

   Bellflower, CA · CSLB #983443 · as of June 28, 2026
   Active · clear
4. All Around Heating And Air - Conditioning

   Moreno Valley, CA · CSLB #889646 · as of June 28, 2026
   Active · clear
5. All Brand Air INC

   Bakersfield, CA · CSLB #1047206 · as of June 28, 2026
   Active · clear
6. All Brands Appliance Service

   Chula Vista, CA · CSLB #740901 · as of June 28, 2026
   Active · clear
7. All Care Services Heating & Air

   Turlock, CA · CSLB #1144491 · as of June 28, 2026
   Active · clear
8. All City Heating Air & Plumbing

   Cerritos, CA · CSLB #825443 · as of June 28, 2026
   Active · clear
9. All Climate Heating & Air INC

   Oceanside, CA · CSLB #988693 · as of June 28, 2026
   Active · clear
10. All Climate Mechanical LLC

    Los Angeles, CA · CSLB #1095428 · as of June 28, 2026
    Active · clear
11. All Climates Controlled

    San Clemente, CA · CSLB #756103 · as of June 28, 2026
    Active · clear
12. All Climate Solutions INC

    Antelope, CA · CSLB #1088526 · as of June 28, 2026
    Active · clear
13. All Coast Ac

    Riverside, CA · CSLB #785041 · as of June 28, 2026
    Active · clear
14. All Comfort HVAC INC

    Granada Hills, CA · CSLB #1091087 · as of June 28, 2026
    Active · clear
15. All County Air Conditioning & Heating INC

    Ventura, CA · CSLB #1087685 · as of June 28, 2026
    Active · clear
16. All Day Heating And Air Conditioning LLC

    Oceanside, CA · CSLB #1048737 · as of June 28, 2026
    Active · clear
17. All Day Heating & Cooling INC

    Palm Desert, CA · CSLB #1008011 · as of June 28, 2026
    Active · clear
18. All Desert Cities Air Conditioning

    Joshua Tree, CA · CSLB #724204 · as of June 28, 2026
    Active · clear
19. All Desert Plumbing Heating And Air Conditioning LLC

    Palm Desert, CA · CSLB #811885 · as of June 28, 2026
    Active · clear
20. Allegiance 76 Heating And Air Conditioning LLC

    Anaheim, CA · CSLB #1156380 · as of June 28, 2026
    Active · clear
21. Allegiance Air & Mechanical

    Victorville, CA · CSLB #989337 · as of June 28, 2026
    Active · clear
22. Allegiance Air & Mechanical INC

    Victorville, CA · CSLB #1155934 · as of June 28, 2026
    Active · clear
23. Allegiance Heating & Air Conditioning INC

    Santee, CA · CSLB #548700 · as of June 28, 2026
    Active · clear
24. Allen Air

    Anaheim, CA · CSLB #926330 · as of June 28, 2026
    Active · clear
25. Allen Air

    Valencia, CA · CSLB #852451 · as of June 28, 2026
    Active · clear
26. Allenair Heating And Cooling

    Redding, CA · CSLB #1125181 · as of June 28, 2026
    Active · clear
27. All Fast Air Conditioning & Heating

    Fontana, CA · CSLB #826079 · as of June 28, 2026
    Active · clear
28. All Four Seasons Air Conditioning & Heating INC

    Agoura Hills, CA · CSLB #788533 · as of June 28, 2026
    Active · clear
29. All Heart Heating Cooling And Plumbing

    Lancaster, CA · CSLB #918467 · as of June 28, 2026
    Active · clear
30. All Heating Air Conditioning & Appliance

    Orangevale, CA · CSLB #826491 · as of June 28, 2026
    Active · clear
31. All Heating And Air CO

    Lancaster, CA · CSLB #1097597 · as of June 28, 2026
    Active · clear
32. All Home Appliance Repair

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

    West Sacramento, CA · CSLB #1098442 · as of June 28, 2026
    Active · clear
34. All HVAC Systems LLC

    Tracy, CA · CSLB #1126393 · as of June 28, 2026
    Active · clear
35. Alliance Air Care

    Yuba City, CA · CSLB #1143199 · as of June 28, 2026
    Active · clear
36. Alliance Fabrication & HVAC, INC

    Bakersfield, CA · CSLB #1077838 · as of June 28, 2026
    Active · clear
37. Alliance Heating & Air

    Manteca, CA · CSLB #892199 · as of June 28, 2026
    Active · clear
38. Alliance Heating And Air Conditioning

    Palmdale, CA · CSLB #857811 · as of June 28, 2026
    Active · clear
39. Alliance Heating And Air Conditioning INC

    Santa Ana, CA · CSLB #840838 · as of June 28, 2026
    Active · clear
40. Alliance HVAC INC

    Reseda, CA · CSLB #1008553 · as of June 28, 2026
    Active · clear
41. Alliance Mechanical Services

    Sacramento, CA · CSLB #805399 · as of June 28, 2026
    Active · clear
42. Allied Heating & Air Conditioning CO INC

    San Rafael, CA · CSLB #453261 · as of June 28, 2026
    Active · clear
43. Allied Mechanical Air Systems INC

    Baldwin Park, CA · CSLB #602765 · as of June 28, 2026
    Active · clear
44. Allied Mechanical Nevada LLC

    Sparks, CA · CSLB #1122201 · as of June 28, 2026
    Active · clear
45. All In 1 Heating And Air Conditioning INC

    Riverside, CA · CSLB #1015729 · as of June 28, 2026
    Active · clear
46. All In Heating And Cooling LLC

    Redwood Valley, CA · CSLB #1082921 · as of June 28, 2026
    Active · clear
47. All - In - One Air Conditioning & Heating

    Redlands, CA · CSLB #915508 · as of June 28, 2026
    Active · clear
48. Allison Air Comfort Solutions

    San Jose, CA · CSLB #1149559 · as of June 28, 2026
    Active · clear
49. Allison Air Conditioning And Heating INC

    Corona, CA · CSLB #545500 · as of June 28, 2026
    Active · clear
50. Allison Mechanical

    Redlands, CA · CSLB #670137 · as of June 28, 2026
    Active · clear
51. All Mechanical Services INC

    Fresno, CA · CSLB #804268 · as of June 28, 2026
    Active · clear
52. All - N - 1 A/c And Heating

    Fresno, CA · CSLB #977366 · as of June 28, 2026
    Active · clear
53. All New Air Conditioning And Heating

    Glendale, CA · CSLB #851416 · as of June 28, 2026
    Active · clear
54. All Plumbing & Air Solutions

    Riverside, CA · CSLB #1008227 · as of June 28, 2026
    Active · clear
55. All Preventative Measures In HVAC

    Antioch, CA · CSLB #1138417 · as of June 28, 2026
    Active · clear
56. All Pro - Air

    Fresno, CA · CSLB #843324 · as of June 28, 2026
    Active · clear
57. All Pro Air Systems

    San Jose, CA · CSLB #1112017 · as of June 28, 2026
    Active · clear
58. All Pro Heating And Air Conditioning INC

    Folsom, CA · CSLB #712597 · as of June 28, 2026
    Active · clear
59. All-pro Heating & Cooling

    Milpitas, CA · CSLB #1142736 · as of June 28, 2026
    Active · clear
60. Allpro Mechanical Contractor INC

    La Habra, CA · CSLB #1106077 · 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.