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 6, 2026.

Showing 121–180 of 8,936 contractors

1. A & A Quick Cooling INC

   Los Angeles, CA · CSLB #715736 · as of October 6, 2026
   Active · clear
2. Aard Mechanical INC

   Brea, CA · CSLB #1063808 · as of October 6, 2026
   Active · clear
3. Aa Refrigeration Corp

   La Habra, CA · CSLB #1044192 · as of October 6, 2026
   Active · clear
4. Aarons Air

   Lake Havasu City, CA · CSLB #506347 · as of October 6, 2026
   Active · clear
5. Aaron's Air Conditioning

   Lake Havasu, CA · CSLB #782194 · as of October 6, 2026
   Active · clear
6. Aaron's Plumbing Heating & Cooling

   Fort Bragg, CA · CSLB #916765 · as of October 6, 2026
   Active · clear
7. Aarvaks Heating & Air Conditioning

   Berkeley, CA · CSLB #1146520 · as of October 6, 2026
   Active · clear
8. A Avco Plumbing - Heating - A/c

   Fontana, CA · CSLB #640316 · as of October 6, 2026
   Active · clear
9. Ab Advanced Air Conditioning Company

   Hacienda Heights, CA · CSLB #964269 · as of October 6, 2026
   Active · clear
10. A & B Air Conditioning & Heating

    Santee, CA · CSLB #986617 · as of October 6, 2026
    Active · clear
11. Ab Air Quality Comfort INC

    Lancaster, CA · CSLB #1141605 · as of October 6, 2026
    Active · clear
12. Abbott Heating And Air Conditioning

    Orangevale, CA · CSLB #659886 · as of October 6, 2026
    Active · clear
13. Abbotts Heating & Air Conditioning

    Lakeport, CA · CSLB #313261 · as of October 6, 2026
    Active · clear
14. Abc Heating & Air

    San Diego, CA · CSLB #1135277 · as of October 6, 2026
    Active · clear
15. A B C Heating & Air Conditioning

    Chino Hills, CA · CSLB #616540 · as of October 6, 2026
    Active · clear
16. Abc Heating & Air Conditioning

    Lakeside, CA · CSLB #714715 · as of October 6, 2026
    Active · clear
17. Abc Heating And Air Conditioning

    Costa Mesa, CA · CSLB #940181 · as of October 6, 2026
    Active · clear
18. Abc Heating And Air Conditioning INC

    Lancaster, CA · CSLB #919877 · as of October 6, 2026
    Active · clear
19. A B C Heating & Cooling INC

    Elk Grove, CA · CSLB #1010312 · as of October 6, 2026
    Active · clear
20. Abc Quality HVAC INC

    Sacramento, CA · CSLB #1128264 · as of October 6, 2026
    Active · clear
21. Abel Air INC

    Sacramento, CA · CSLB #1149965 · as of October 6, 2026
    Active · clear
22. Abella's Heating & Air

    Sacramento, CA · CSLB #762429 · as of October 6, 2026
    Active · clear
23. A Better Deal INC

    Chatsworth, CA · CSLB #691280 · as of October 6, 2026
    Active · clear
24. A B Heating & Air Conditioning Services

    Stockton, CA · CSLB #1043736 · as of October 6, 2026
    Active · clear
25. A & B Heating And Air Conditioning

    Westminster, CA · CSLB #718618 · as of October 6, 2026
    Active · clear
26. Able Duct Cleaning

    Montrose, CA · CSLB #1095405 · as of October 6, 2026
    Active · clear
27. Abm Air Conditioning And Heating

    Simi Valley, CA · CSLB #1091297 · as of October 6, 2026
    Active · clear
28. A B M Heating & A / C INC

    La Habra, CA · CSLB #703311 · as of October 6, 2026
    Active · clear
29. Above All Heating & Air Conditioning INC

    Hesperia, CA · CSLB #825500 · as of October 6, 2026
    Active · clear
30. Above Of All Heating And Air Conditioning INC

    Murrieta, CA · CSLB #1104278 · as of October 6, 2026
    Active · clear
31. Above The Grade Heating And Air Conditioning

    Atascadero, CA · CSLB #864021 · as of October 6, 2026
    Active · clear
32. Abs Heating And Cooling LLC

    Henderson, CA · CSLB #1051547 · as of October 6, 2026
    Active · clear
33. Absolute Air

    Fallbrook, CA · CSLB #624860 · as of October 6, 2026
    Active · clear
34. Absolute Air

    Martinez, CA · CSLB #807424 · as of October 6, 2026
    Active · clear
35. Absolute Air Conditioning & Heating

    Palm Desert, CA · CSLB #945702 · as of October 6, 2026
    Active · clear
36. Absolute Air Group LLC

    Westminster, CA · CSLB #1134780 · as of October 6, 2026
    Active · clear
37. Absolute Air Solutions

    Hayward, CA · CSLB #1059577 · as of October 6, 2026
    Active · clear
38. Absolute Comfort Heating & Air Conditioning

    Costa Mesa, CA · CSLB #826675 · as of October 6, 2026
    Active · clear
39. Absolute Comfort Heating & Air Conditioning

    Rohnert Park, CA · CSLB #838683 · as of October 6, 2026
    Active · clear
40. Absolute Comfort Heating And Air Conditioning INC

    Redding, CA · CSLB #750019 · as of October 6, 2026
    Active · clear
41. Absolute Duct & Chimney Cleaning Services

    Santee, CA · CSLB #1074421 · as of October 6, 2026
    Active · clear
42. Absolute Heating & Air INC

    Orland, CA · CSLB #912506 · as of October 6, 2026
    Active · clear
43. Absolute Mechanical

    Santa Rosa, CA · CSLB #880564 · as of October 6, 2026
    Active · clear
44. Absolute Mechanical INC

    Jackson, CA · CSLB #830920 · as of October 6, 2026
    Active · clear
45. Absolute Temperature Control

    Exeter, CA · CSLB #1067140 · as of October 6, 2026
    Active · clear
46. Absolute Zero H V A C

    Shingle Springs, CA · CSLB #1034374 · as of October 6, 2026
    Active · clear
47. Abundant Air Conditioning And Heating LLC

    Coachella, CA · CSLB #1150839 · as of October 6, 2026
    Active · clear
48. Abundant Heating & Air

    Hollister, CA · CSLB #990838 · as of October 6, 2026
    Active · clear
49. Miguel Angel Aburto

    Long Beach, CA · CSLB #1012854 · as of October 6, 2026
    Active · clear
50. Alfa Services INC DBA Ac911.com

    Moorpark, CA · CSLB #894181 · as of October 6, 2026
    Active · clear
51. Ac Air Pro

    Palmdale, CA · CSLB #1141538 · as of October 6, 2026
    Active · clear
52. A C Air Repair INC

    Orange, CA · CSLB #1112283 · as of October 6, 2026
    Active · clear
53. Ac All Star

    Anaheim, CA · CSLB #998707 · as of October 6, 2026
    Active · clear
54. Ac Blue Air HTG

    Indio, CA · CSLB #834731 · as of October 6, 2026
    Active · clear
55. A/c Care

    Chatsworth, CA · CSLB #510854 · as of October 6, 2026
    Active · clear
56. Accent Heating And Air Conditioning

    Elk Grove, CA · CSLB #793781 · as of October 6, 2026
    Active · clear
57. Access Heating And Air Conditioning INC

    Pasadena, CA · CSLB #918539 · as of October 6, 2026
    Active · clear
58. Accolade Air INC

    Lake Forest, CA · CSLB #1005513 · as of October 6, 2026
    Active · clear
59. A C Comfort Air Conditioning & Heating

    Riverside, CA · CSLB #948170 · as of October 6, 2026
    Active · clear
60. A / C Control INC

    Los Angeles, CA · CSLB #850093 · as of October 6, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.