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 1,261–1,320 of 8,936 contractors

1. Anton Refrigeration

   Pismo Beach, CA · CSLB #794631 · as of October 7, 2026
   Active · clear
2. Any Degree Refrigeration Heating & Air INC

   Murrieta, CA · CSLB #1124164 · as of October 7, 2026
   Active · clear
3. Anytime Heating And Cooling INC

   Clovis, CA · CSLB #1050907 · as of October 7, 2026
   Active · clear
4. Anza Plumbing Heating And Air Conditioning

   Torrance, CA · CSLB #786085 · as of October 7, 2026
   Active · clear
5. A O L Heating & Air INC

   Chatsworth, CA · CSLB #938090 · as of October 7, 2026
   Active · clear
6. Aolus HVAC

   Walnut, CA · CSLB #1159822 · as of October 7, 2026
   Active · clear
7. Aos All Out Services HVAC

   Perris, CA · CSLB #1144040 · as of October 7, 2026
   Active · clear
8. Apcor Mechanical

   Gilroy, CA · CSLB #1145214 · as of October 7, 2026
   Active · clear
9. Apex Air

   Victorville, CA · CSLB #872930 · as of October 7, 2026
   Active · clear
10. Apex Air

    Walnut Creek, CA · CSLB #1123268 · as of October 7, 2026
    Active · clear
11. Apex CO

    Phoenix, CA · CSLB #891480 · as of October 7, 2026
    Active · clear
12. Apex Comercial Service

    Norco, CA · CSLB #512390 · as of October 7, 2026
    Active · clear
13. Apex Commercial Maintenance INC

    Irvine, CA · CSLB #1110591 · as of October 7, 2026
    Active · clear
14. Apex Commercial Services INC

    Sun City, CA · CSLB #854317 · as of October 7, 2026
    Active · clear
15. Apex Heating & Air

    Windsor, CA · CSLB #1112541 · as of October 7, 2026
    Active · clear
16. Apex Heating And Air Conditioning

    Mission Viejo, CA · CSLB #1056220 · as of October 7, 2026
    Active · clear
17. Apex Heating And Air Conditioning INC

    Redding, CA · CSLB #1122085 · as of October 7, 2026
    Active · clear
18. Apex Mechanical Contracting

    Stevenson Ranch, CA · CSLB #1124154 · as of October 7, 2026
    Active · clear
19. Apex Mechanical Systems INC

    San Diego, CA · CSLB #831345 · as of October 7, 2026
    Active · clear
20. Ap Heating & Air

    El Cajon, CA · CSLB #1111178 · as of October 7, 2026
    Active · clear
21. A Plus Air Corp

    La Crescenta, CA · CSLB #1100844 · as of October 7, 2026
    Active · clear
22. A Plus Climate Heating And Air

    Sacramento, CA · CSLB #1084911 · as of October 7, 2026
    Active · clear
23. A Plus Services Heating And Air INC

    Salida, CA · CSLB #1014181 · as of October 7, 2026
    Active · clear
24. Apm Mechanical Heating & Air

    Concord, CA · CSLB #1123485 · as of October 7, 2026
    Active · clear
25. Apodaca Mechanical

    Clayton, CA · CSLB #765801 · as of October 7, 2026
    Active · clear
26. Apollo Heating And Ventilating

    San Francisco, CA · CSLB #1075227 · as of October 7, 2026
    Active · clear
27. Apple Heating & Air INC

    San Leandro, CA · CSLB #698079 · as of October 7, 2026
    Active · clear
28. The Appletree Corporation

    Los Angeles, CA · CSLB #660549 · as of October 7, 2026
    Active · clear
29. Appliance Clinic Heating & Air Conditioning

    Bakersfield, CA · CSLB #1063626 · as of October 7, 2026
    Active · clear
30. Appliance Pros

    Bakersfield, CA · CSLB #1033855 · as of October 7, 2026
    Active · clear
31. Appliance Solutions INC

    Sherman Oaks, CA · CSLB #854352 · as of October 7, 2026
    Active · clear
32. Applied Air Conditioning INC

    Fullerton, CA · CSLB #910358 · as of October 7, 2026
    Active · clear
33. Applied Mechanical

    West Covina, CA · CSLB #777230 · as of October 7, 2026
    Active · clear
34. Applied Mechanical Services

    Santa Maria, CA · CSLB #978073 · as of October 7, 2026
    Active · clear
35. Applied Mechanical Solutions INC

    Escondido, CA · CSLB #976865 · as of October 7, 2026
    Active · clear
36. Approved Air Conditioning And Heating

    Chino Hills, CA · CSLB #663607 · as of October 7, 2026
    Active · clear
37. April Air

    Hesperia, CA · CSLB #796177 · as of October 7, 2026
    Active · clear
38. Apxg Heating And Air Conditioning

    Williams, CA · CSLB #1102032 · as of October 7, 2026
    Active · clear
39. Aqua West Air Conditioning & Heating INC

    Long Beach, CA · CSLB #829336 · as of October 7, 2026
    Active · clear
40. Aquinas HVAC INC

    Santa Clara, CA · CSLB #1042033 · as of October 7, 2026
    Active · clear
41. Aragadz Air Conditioning

    Granada Hills, CA · CSLB #639065 · as of October 7, 2026
    Active · clear
42. Aragon HVAC

    Apple Valley, CA · CSLB #1003392 · as of October 7, 2026
    Active · clear
43. Ara Heating & Air Conditioning

    Irvine, CA · CSLB #1001663 · as of October 7, 2026
    Active · open complaint
44. Aranda Air Heating And Air Conditioning

    San Jose, CA · CSLB #931855 · as of October 7, 2026
    Active · clear
45. Arastek LLC

    San Ramon, CA · CSLB #1145252 · as of October 7, 2026
    Active · clear
46. Arc Heating And Air Conditioning

    Roseville, CA · CSLB #1107203 · as of October 7, 2026
    Active · clear
47. Archer Mechanical

    Mount Shasta, CA · CSLB #1098786 · as of October 7, 2026
    Active · clear
48. Archer's A / C

    Costa Mesa, CA · CSLB #841426 · as of October 7, 2026
    Active · clear
49. Arco Air Conditioning And Heating

    Tujunga, CA · CSLB #1108536 · as of October 7, 2026
    Active · clear
50. Ar Cooling And Heating LLC

    Bloomington, CA · CSLB #1052898 · as of October 7, 2026
    Active · clear
51. Arctic Air Conditioning & Heating INC

    Calexico, CA · CSLB #714495 · as of October 7, 2026
    Active · clear
52. Arctic Airflow Heating & Air Conditioning INC

    San Diego, CA · CSLB #1100944 · as of October 7, 2026
    Active · clear
53. Arctic Airflow Mechanical

    Buena Park, CA · CSLB #1133504 · as of October 7, 2026
    Active · open complaint
54. Arctic Air INC

    Hanford, CA · CSLB #1015211 · as of October 7, 2026
    Active · clear
55. Arctic Breeze HVAC

    Bakersfield, CA · CSLB #1125973 · as of October 7, 2026
    Active · clear
56. Arctic Heating & Air

    Lancaster, CA · CSLB #1143446 · as of October 7, 2026
    Active · clear
57. Arctic Heating & Air INC

    Hawthorne, CA · CSLB #762720 · as of October 7, 2026
    Active · clear
58. Arctic HVAC Repair

    San Jose, CA · CSLB #1087257 · as of October 7, 2026
    Active · clear
59. Arctic Moose HVAC INC

    Long Beach, CA · CSLB #1162308 · as of October 7, 2026
    Active · clear
60. Arcticool

    N Hollywood, CA · CSLB #676515 · 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.