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

The California Contractors State License Board (CSLB) lists 8,994 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 27, 2026.

Showing 301–360 of 8,994 contractors

1. Mssd Mechanical INC DBA Ac Sure Plan

   San Diego, CA · CSLB #1093749 · as of June 27, 2026
   Active · clear
2. The A/c Team INC

   Northridge, CA · CSLB #1036130 · as of June 27, 2026
   Active · clear
3. Ac Tech INC

   Monrovia, CA · CSLB #1095928 · as of June 27, 2026
   Active · clear
4. Ac Technology Heating And Air LLC

   Oak View, CA · CSLB #1057778 · as of June 27, 2026
   Active · clear
5. A C T Heating & Air Conditioning

   Fresno, CA · CSLB #955221 · as of June 27, 2026
   Active · clear
6. Action Air Conditioning And Heating

   San Marcos, CA · CSLB #1083840 · as of June 27, 2026
   Active · clear
7. Action Air Conditioning Service

   Moreno Valley, CA · CSLB #794761 · as of June 27, 2026
   Active · clear
8. Action Heating & A / C

   Hemet, CA · CSLB #806009 · as of June 27, 2026
   Active · clear
9. Action Heating & Air Conditioning INC

   Sunland, CA · CSLB #985674 · as of June 27, 2026
   Active · clear
10. Action HVAC

    Sacramento, CA · CSLB #553081 · as of June 27, 2026
    Active · clear
11. Action Plumbing And Heating Maintenance

    Santa Rosa, CA · CSLB #325110 · as of June 27, 2026
    Active · clear
12. Action Services Company

    Fresno, CA · CSLB #647549 · as of June 27, 2026
    Active · clear
13. Active Air

    Chino Hills, CA · CSLB #943433 · as of June 27, 2026
    Active · clear
14. Active Air Control INC

    Corona, CA · CSLB #966739 · as of June 27, 2026
    Active · clear
15. Active Air INC

    Kerman, CA · CSLB #1094539 · as of June 27, 2026
    Active · clear
16. Active Air Specialists INC

    Littlerock, CA · CSLB #1059755 · as of June 27, 2026
    Active · clear
17. Active Air Systems INC

    Santa Clarita, CA · CSLB #1005954 · as of June 27, 2026
    Active · clear
18. Active Temp INC

    Fontana, CA · CSLB #1028474 · as of June 27, 2026
    Active · clear
19. A C Today

    Lancaster, CA · CSLB #1037775 · as of June 27, 2026
    Active · clear
20. Acts HVAC

    Sacramento, CA · CSLB #1134445 · as of June 27, 2026
    Active · clear
21. Acuna's Polar Aire

    San Marcos, CA · CSLB #352974 · as of June 27, 2026
    Active · clear
22. Acutech Appliance Heating & Air

    Sacramento, CA · CSLB #1002770 · as of June 27, 2026
    Active · clear
23. Ac Xperts INC

    Trabuco Canyon, CA · CSLB #915801 · as of June 27, 2026
    Active · clear
24. Acz Mechanical INC

    Forestville, CA · CSLB #1139244 · as of June 27, 2026
    Active · clear
25. A/d Air Conditioning & Heating INC

    Van Nuys, CA · CSLB #491840 · as of June 27, 2026
    Active · clear
26. Adamark Air

    Sherman Oaks, CA · CSLB #1151523 · as of June 27, 2026
    Active · clear
27. Ada Mechanical INC

    Porter Ranch, CA · CSLB #1148766 · as of June 27, 2026
    Active · clear
28. Adameck HVAC INC

    Napa, CA · CSLB #1035976 · as of June 27, 2026
    Active · clear
29. Adam Heating And Air Conditioning LLC

    Lancaster, CA · CSLB #1092017 · as of June 27, 2026
    Active · clear
30. Adams Engineering INC

    Rancho Santa Fe, CA · CSLB #396069 · as of June 27, 2026
    Active · clear
31. Adam's Heating & Cooling

    Grover Beach, CA · CSLB #839958 · as of June 27, 2026
    Active · clear
32. Adams Refrigeration Service INC A California Corporation

    Petaluma, CA · CSLB #279103 · as of June 27, 2026
    Active · clear
33. Adams & Robinson Enterprises

    Huntington Beach, CA · CSLB #697983 · as of June 27, 2026
    Active · clear
34. Adapt Heating & Ac

    Fresno, CA · CSLB #1141436 · as of June 27, 2026
    Active · clear
35. Adaptive Controls Services

    Ontario, CA · CSLB #1116142 · as of June 27, 2026
    Active · clear
36. Addington Air INC

    Patterson, CA · CSLB #1120150 · as of June 27, 2026
    Active · clear
37. A Degree Above INC

    Verdi, CA · CSLB #947927 · as of June 27, 2026
    Active · clear
38. Adjust Comfort Heating / Air Conditioning

    San Bernardino, CA · CSLB #859302 · as of June 27, 2026
    Active · clear
39. Ad Mechanical INC

    Granada Hills, CA · CSLB #1081794 · as of June 27, 2026
    Active · clear
40. Ad Mechanical Services INC

    Burlingame, CA · CSLB #1155755 · as of June 27, 2026
    Active · clear
41. A D M Mechanical

    Sacramento, CA · CSLB #423644 · as of June 27, 2026
    Active · clear
42. Adonai Heating & Air Conditioning

    Stockton, CA · CSLB #1017151 · as of June 27, 2026
    Active · clear
43. Adr22 Heating And Cooling

    Lancaster, CA · CSLB #1115761 · as of June 27, 2026
    Active · clear
44. Adriels Heating & Air

    San Bernardino, CA · CSLB #1137552 · as of June 27, 2026
    Active · clear
45. Advance Air Conditioning Heating

    Torrance, CA · CSLB #1112637 · as of June 27, 2026
    Active · clear
46. Advanced A / C & Heating INC

    Glendale, CA · CSLB #723468 · as of June 27, 2026
    Active · clear
47. Advanced Air

    Visalia, CA · CSLB #1069621 · as of June 27, 2026
    Active · clear
48. Advanced Aire Flow INC

    Fillmore, CA · CSLB #1005372 · as of June 27, 2026
    Active · clear
49. Advanced Aire Movement

    Hawaiian Gardens, CA · CSLB #621160 · as of June 27, 2026
    Active · clear
50. Advanced Air INC

    Marina, CA · CSLB #809302 · as of June 27, 2026
    Active · clear
51. Advanced Air & Mechanical HVAC

    North Hollywood, CA · CSLB #944184 · as of June 27, 2026
    Active · clear
52. Advanced Air Systems

    Reseda, CA · CSLB #1147428 · as of June 27, 2026
    Active · clear
53. Advanced Air Systems

    Simi Valley, CA · CSLB #1035852 · as of June 27, 2026
    Active · clear
54. Advanced Centrifugal Systems INC

    Pasadena, CA · CSLB #850654 · as of June 27, 2026
    Active · clear
55. Advanced Climate Control Heating & Air Conditioning

    Bakersfield, CA · CSLB #773083 · as of June 27, 2026
    Active · clear
56. Advanced Climate Technologies

    Fullerton, CA · CSLB #1039852 · as of June 27, 2026
    Active · clear
57. Advanced Comfort Air Solutions LLC

    Sacramento, CA · CSLB #1073389 · as of June 27, 2026
    Active · clear
58. Advanced Comfort Incorporated

    Monterey Park, CA · CSLB #775840 · as of June 27, 2026
    Active · clear
59. Advanced Comfort Mechanical

    Rancho Cucamonga, CA · CSLB #1105767 · as of June 27, 2026
    Active · clear
60. Advanced Comfort Technology

    Bakersfield, CA · CSLB #964393 · as of June 27, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.