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 1,381–1,440 of 8,936 contractors

1. Arves Mechanical

   Brentwood, CA · CSLB #1068910 · as of October 7, 2026
   Active · clear
2. Arvin Aire

   Lamont, CA · CSLB #911368 · as of October 7, 2026
   Active · clear
3. Arvin Mehrabian

   Van Nuys, CA · CSLB #1142847 · as of October 7, 2026
   Active · clear
4. A R V S INC

   Glendale, CA · CSLB #954533 · as of October 7, 2026
   Active · open complaint
5. Aryco H V A C

   Monrovia, CA · CSLB #673436 · as of October 7, 2026
   Active · clear
6. Arzate Air Conditioning And Heating

   Clovis, CA · CSLB #1094195 · as of October 7, 2026
   Active · clear
7. Asamoah Mechanical LLC

   Elverta, CA · CSLB #1103966 · as of October 7, 2026
   Active · clear
8. A Sanchez Mechanical

   Fremont, CA · CSLB #798316 · as of October 7, 2026
   Active · clear
9. Asap A/c

   West Hills, CA · CSLB #1141368 · as of October 7, 2026
   Active · clear
10. A S A P Heating & Air Conditioning

    Modesto, CA · CSLB #764858 · as of October 7, 2026
    Active · clear
11. Asap Heating And Air LLC

    San Leandro, CA · CSLB #725589 · as of October 7, 2026
    Active · clear
12. A S A P Heating & Cooling

    Concord, CA · CSLB #896664 · as of October 7, 2026
    Active · clear
13. A S A P Plumbing Heating And Air Conditioning

    Corona, CA · CSLB #702328 · as of October 7, 2026
    Active · clear
14. Asap Redding Heating & Cooling

    Redding, CA · CSLB #1150746 · as of October 7, 2026
    Active · clear
15. Asa Quality Air

    Tujunga, CA · CSLB #1114852 · as of October 7, 2026
    Active · clear
16. Ascend Heating And Air Corp

    Lompoc, CA · CSLB #1159085 · as of October 7, 2026
    Active · clear
17. Ascend Heating And Air LLC

    Gardnerville, CA · CSLB #1135114 · as of October 7, 2026
    Active · clear
18. Ascend Plumbing INC

    San Diego, CA · CSLB #1066861 · as of October 7, 2026
    Active · clear
19. Ascent Air Conditioning & Heating INC

    Yucaipa, CA · CSLB #1036374 · as of October 7, 2026
    Active · clear
20. Ascent Conserve INC

    Danville, CA · CSLB #1147057 · as of October 7, 2026
    Active · clear
21. Ascentia Engineering Services INC

    Crestline, CA · CSLB #821160 · as of October 7, 2026
    Active · clear
22. Ascent INC

    Danville, CA · CSLB #1069809 · as of October 7, 2026
    Active · clear
23. Asc Mechanical INC

    Rancho Cucamonga, CA · CSLB #1144103 · as of October 7, 2026
    Active · clear
24. Asco Service INC

    Gilroy, CA · CSLB #778556 · as of October 7, 2026
    Active · clear
25. A's Heating & Air Services INC

    Chino, CA · CSLB #983487 · as of October 7, 2026
    Active · clear
26. A & S Heating And Air

    Anderson, CA · CSLB #1142754 · as of October 7, 2026
    Active · clear
27. A & S Heating Cooling & Appliance Repair

    San Jose, CA · CSLB #991074 · as of October 7, 2026
    Active · clear
28. Ash Purifacation Heating & Air Conditioning

    Glendale, CA · CSLB #1095340 · as of October 7, 2026
    Active · clear
29. Asm Mechanical Services

    Antioch, CA · CSLB #1051854 · as of October 7, 2026
    Active · clear
30. Aspect Air Conditioning & Heating

    Murrieta, CA · CSLB #1071942 · as of October 7, 2026
    Active · clear
31. Asp Engineering INC DBA Asp Heating & Air Conditioning

    Agoura Hills, CA · CSLB #1083961 · as of October 7, 2026
    Active · clear
32. Associated Heating & Air INC

    Anaheim, CA · CSLB #608210 · as of October 7, 2026
    Active · clear
33. Associated Heating Of San Francisco INC

    San Francisco, CA · CSLB #1001526 · as of October 7, 2026
    Active · clear
34. Associated Heating Of S F

    San Francisco, CA · CSLB #486084 · as of October 7, 2026
    Active · clear
35. Associated Services Heating Solar Air INC

    Salinas, CA · CSLB #792784 · as of October 7, 2026
    Active · clear
36. Associate Mechanical Contractors INC

    Escondido, CA · CSLB #741000 · as of October 7, 2026
    Active · clear
37. Assured Heating & Air Conditioning Services LLC

    Palm Desert, CA · CSLB #1069937 · as of October 7, 2026
    Active · clear
38. Astro Air Design INC

    Lincoln, CA · CSLB #783688 · as of October 7, 2026
    Active · clear
39. Astro Heating INC

    San Jose, CA · CSLB #1132436 · as of October 7, 2026
    Active · clear
40. A S T Sheet Metal And Gutters

    Seaside, CA · CSLB #982714 · as of October 7, 2026
    Active · clear
41. A Subcool Air Conditioning INC

    Van Nuys, CA · CSLB #598218 · as of October 7, 2026
    Active · clear
42. A T A Heating & Air Conditioning INC

    Woodland Hills, CA · CSLB #876392 · as of October 7, 2026
    Active · clear
43. Atc Mechanical LLC

    Concord, CA · CSLB #1043760 · as of October 7, 2026
    Active · clear
44. Atc Service INC

    El Dorado Hills, CA · CSLB #524622 · as of October 7, 2026
    Active · clear
45. A-team Heating And Air Conditioning

    Lancaster, CA · CSLB #1099919 · as of October 7, 2026
    Active · clear
46. A - Tek Mechanical INC

    Murrieta, CA · CSLB #938144 · as of October 7, 2026
    Active · clear
47. A&t Heating Cooling

    Westminster, CA · CSLB #1155246 · as of October 7, 2026
    Active · clear
48. Atlantic Air Conditioning INC

    Diamond Bar, CA · CSLB #613226 · as of October 7, 2026
    Active · clear
49. Atlantic H V A C INC

    Elk Grove, CA · CSLB #844417 · as of October 7, 2026
    Active · clear
50. Atlantis Heating & Cooling

    Albion, CA · CSLB #745283 · as of October 7, 2026
    Active · clear
51. Atlantis Heating LLC

    Modesto, CA · CSLB #748050 · as of October 7, 2026
    Active · clear
52. Atlantis H V A C Service

    Pittsburg, CA · CSLB #992458 · as of October 7, 2026
    Active · clear
53. Samuel R Berrett DBA Atlas Air

    Santa Ynez, CA · CSLB #1041417 · as of October 7, 2026
    Active · clear
54. Atlas Comfort Air

    Garden Grove, CA · CSLB #989499 · as of October 7, 2026
    Active · clear
55. Your Warm Friend INC DBA Atlas Heating & Air-conditioning CO

    Oakland, CA · CSLB #489501 · as of October 7, 2026
    Active · clear
56. Atlas Heating & Ventilating CO

    South San Francisco, CA · CSLB #856293 · as of October 7, 2026
    Active · clear
57. Atlas HVAC INC

    San Diego, CA · CSLB #955327 · as of October 7, 2026
    Active · clear
58. Atlas HVAC Solutions

    Arvin, CA · CSLB #1154839 · as of October 7, 2026
    Active · clear
59. Atlas Mechanical INC

    San Diego, CA · CSLB #622960 · as of October 7, 2026
    Active · clear
60. Atlas Plumbing

    Bakersfield, CA · CSLB #949964 · 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.