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 901–960 of 8,936 contractors

1. Albaugh Heating And Air - Conditioning

   Santa Rosa, CA · CSLB #1084350 · as of October 7, 2026
   Active · clear
2. Albert Air INC

   Anaheim, CA · CSLB #623420 · as of October 7, 2026
   Active · clear
3. Albert L Mendez Air Conditioning & Heating INC

   Selma, CA · CSLB #964970 · as of October 7, 2026
   Active · clear
4. Albert Nahman Plumbing Heating And Cooling

   Alameda, CA · CSLB #1083634 · as of October 7, 2026
   Active · clear
5. Albert's Heating Ventilating And Air Conditioning

   Fontana, CA · CSLB #756760 · as of October 7, 2026
   Active · clear
6. Albis Heating & Air Conditioning

   San Bernardino, CA · CSLB #925401 · as of October 7, 2026
   Active · clear
7. Albos HVAC

   San Jose, CA · CSLB #1077760 · as of October 7, 2026
   Active · clear
8. Alcala Air Conditioning & Heating CO

   Rosamond, CA · CSLB #513021 · as of October 7, 2026
   Active · clear
9. Alcaraz Air

   Murrieta, CA · CSLB #1036321 · as of October 7, 2026
   Active · clear
10. Alcazar Heating And Air Conditioning LLC

    Wildomar, CA · CSLB #1077120 · as of October 7, 2026
    Active · clear
11. Alco Mechanical INC

    Herald, CA · CSLB #746138 · as of October 7, 2026
    Active · clear
12. Alco Plumbing Heating & Air Conditioning INC

    Santa Ana, CA · CSLB #731312 · as of October 7, 2026
    Active · clear
13. Alco Sheet Metal & Heating INC

    Alamo, CA · CSLB #464367 · as of October 7, 2026
    Active · clear
14. Aldape Heating And Air Conditioning

    American Canyon, CA · CSLB #1138406 · as of October 7, 2026
    Active · clear
15. A L D C O Air

    Indio, CA · CSLB #857079 · as of October 7, 2026
    Active · clear
16. Alejandro's Heating & Air Conditioning

    Hesperia, CA · CSLB #1005242 · as of October 7, 2026
    Active · clear
17. Frank Alessio HVAC

    Escondido, CA · CSLB #993446 · as of October 7, 2026
    Active · clear
18. Alessio Heating & Air INC

    Escondido, CA · CSLB #551481 · as of October 7, 2026
    Active · clear
19. Robert Alessio Heating & Air Conditioning

    Chula Vista, CA · CSLB #1101419 · as of October 7, 2026
    Active · clear
20. Alex Air Service

    Woodland Hills, CA · CSLB #833674 · as of October 7, 2026
    Active · open complaint
21. Alex Master Service INC DBA Alex Master HVAC Service

    West Covina, CA · CSLB #1053986 · as of October 7, 2026
    Active · clear
22. Alex's Company

    Fair Oaks, CA · CSLB #700430 · as of October 7, 2026
    Active · clear
23. Alex's Heating And Cooling

    Lancaster, CA · CSLB #995212 · as of October 7, 2026
    Active · clear
24. Alex's Maintenance

    Littlerock, CA · CSLB #908429 · as of October 7, 2026
    Active · clear
25. Alexson's Ac & Heating Solutions INC

    Redlands, CA · CSLB #1148990 · as of October 7, 2026
    Active · clear
26. Alfa Heating And Cooling

    Antioch, CA · CSLB #1026386 · as of October 7, 2026
    Active · clear
27. Al Garcia's Plumbing, Heating And Air Conditioning INC.

    Torrance, CA · CSLB #990903 · as of October 7, 2026
    Active · clear
28. Alg Heating & Cooling

    Norco, CA · CSLB #1118227 · as of October 7, 2026
    Active · clear
29. Alicia Air Conditioning & Heating INC

    Lake Forest, CA · CSLB #525314 · as of October 7, 2026
    Active · clear
30. Aliloy HVAC Service

    Temple City, CA · CSLB #1093914 · as of October 7, 2026
    Active · clear
31. Ibrahem Alkhatatbeh

    Riverside, CA · CSLB #1049549 · as of October 7, 2026
    Active · clear
32. Alkm

    Garden Grove, CA · CSLB #1116995 · as of October 7, 2026
    Active · clear
33. All 1 Mechanical

    Roseville, CA · CSLB #1039821 · as of October 7, 2026
    Active · clear
34. All About Air

    La Quinta, CA · CSLB #874583 · as of October 7, 2026
    Active · clear
35. All About Air

    Hayward, CA · CSLB #902777 · as of October 7, 2026
    Active · clear
36. All A / C

    Fresno, CA · CSLB #1019685 · as of October 7, 2026
    Active · clear
37. All A / C & Heating INC

    Beaumont, CA · CSLB #989172 · as of October 7, 2026
    Active · clear
38. All A C Service

    Livingston, CA · CSLB #1022390 · as of October 7, 2026
    Active · clear
39. All Air Conditioning Company

    Palmdale, CA · CSLB #1087213 · as of October 7, 2026
    Active · clear
40. All Air Equipment - Installation Professionals

    Pleasanton, CA · CSLB #771057 · as of October 7, 2026
    Active · clear
41. All Air Heating & Air Conditioning

    Lodi, CA · CSLB #959972 · as of October 7, 2026
    Active · clear
42. All Air Heating And Cooling

    Antioch, CA · CSLB #1156365 · as of October 7, 2026
    Active · clear
43. All Air Masters INC

    Upland, CA · CSLB #791287 · as of October 7, 2026
    Active · clear
44. All Air Mechanical Contractors INC

    South San Francisco, CA · CSLB #851335 · as of October 7, 2026
    Active · open complaint
45. All Air Services

    Elk Grove, CA · CSLB #945617 · as of October 7, 2026
    Active · clear
46. All American Air

    Fresno, CA · CSLB #1104227 · as of October 7, 2026
    Active · clear
47. All American Air Conditioning And Heating

    Ventura, CA · CSLB #639952 · as of October 7, 2026
    Active · clear
48. All American Air INC

    Kerman, CA · CSLB #1147779 · as of October 7, 2026
    Active · clear
49. All American Heating & Air INC

    Menifee, CA · CSLB #1069816 · as of October 7, 2026
    Active · clear
50. All American Heating And Air Conditioning

    Long Beach, CA · CSLB #586818 · as of October 7, 2026
    Active · clear
51. All American Heating And Cooling INC

    San Jose, CA · CSLB #1159333 · as of October 7, 2026
    Active · clear
52. All American HVAC INC

    La Verne, CA · CSLB #1058904 · as of October 7, 2026
    Active · clear
53. All American Mechanical

    Las Vegas, CA · CSLB #1002025 · as of October 7, 2026
    Active · clear
54. All American Mechanical

    El Dorado Hills, CA · CSLB #1001975 · as of October 7, 2026
    Active · clear
55. All American Plumbing Heating & Air INC

    Los Banos, CA · CSLB #840958 · as of October 7, 2026
    Active · clear
56. All American Solution Heating & Air INC

    Sylmar, CA · CSLB #1110736 · as of October 7, 2026
    Active · clear
57. Allan's A/c

    Long Beach, CA · CSLB #932962 · as of October 7, 2026
    Active · clear
58. Allan's Heating & Cooling & Appliance Repair

    Sacramento, CA · CSLB #977160 · as of October 7, 2026
    Active · clear
59. All Appliance & HVAC Service INC

    Sunnyvale, CA · CSLB #977789 · as of October 7, 2026
    Active · clear
60. All Around Heating And Air

    Bellflower, CA · CSLB #983443 · 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.