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 8, 2026.

Showing 8,221–8,280 of 8,936 contractors

1. Montie Wayne Sheet Metal & Heating INC

   Goleta, CA · CSLB #660236 · as of October 8, 2026
   Active · clear
2. Wayne Waters Plumbing INC

   Sonora, CA · CSLB #463958 · as of October 8, 2026
   Active · clear
3. W B Mechanical

   Saugus, CA · CSLB #758667 · as of October 8, 2026
   Active · clear
4. W D Mechanical Corp

   Lake Elsinore, CA · CSLB #1108617 · as of October 8, 2026
   Active · clear
5. Weather Challenger INC

   Glendale, CA · CSLB #934934 · as of October 8, 2026
   Active · clear
6. Weather Comfort

   Palmdale, CA · CSLB #1077397 · as of October 8, 2026
   Active · clear
7. Weatherite Corporation

   Walnut, CA · CSLB #451778 · as of October 8, 2026
   Active · clear
8. Weatherproof HVAC INC

   Canoga Park, CA · CSLB #1137634 · as of October 8, 2026
   Active · clear
9. Greg Watkins DBA Watkins Weather Systems

   San Rafael, CA · CSLB #820018 · as of October 8, 2026
   Active · clear
10. Weathertech Heating & Cooling

    Visalia, CA · CSLB #871843 · as of October 8, 2026
    Active · clear
11. Webb Air Heating & Air Conditioning

    Kuna, CA · CSLB #932398 · as of October 8, 2026
    Active · clear
12. Webb Heating & Cooling

    Bakersfield, CA · CSLB #784605 · as of October 8, 2026
    Active · clear
13. Webb's Plumbing Heating And A/c

    Santa Monica, CA · CSLB #427756 · as of October 8, 2026
    Active · clear
14. W E D O A/c & Heat

    Chino, CA · CSLB #706940 · as of October 8, 2026
    Active · clear
15. Trading Capital Corporation DBA We Do HVAC

    Playa Vista, CA · CSLB #1070364 · as of October 8, 2026
    Active · clear
16. Weise Mechanical LLC

    San Jose, CA · CSLB #1072273 · as of October 8, 2026
    Active · clear
17. Welkin Heating & Air

    Temecula, CA · CSLB #1108248 · as of October 8, 2026
    Active · clear
18. Well Fix H V A C Service

    Anaheim, CA · CSLB #945289 · as of October 8, 2026
    Active · clear
19. Wells Plumbing Heating & Air INC

    Temecula, CA · CSLB #950590 · as of October 8, 2026
    Active · clear
20. R L Wells Air Conditioning & Heating

    Eastvale, CA · CSLB #896913 · as of October 8, 2026
    Active · clear
21. Roy Wells

    Ceres, CA · CSLB #877995 · as of October 8, 2026
    Active · clear
22. Wesco Air Conditioning INC

    Arcadia, CA · CSLB #1084032 · as of October 8, 2026
    Active · clear
23. Westbay Heating & Air INC

    Santa Clara, CA · CSLB #942838 · as of October 8, 2026
    Active · clear
24. West Bay Heating And Air Conditioning

    Redwood City, CA · CSLB #378639 · as of October 8, 2026
    Active · clear
25. West Bay Mechanical Systems INC

    El Cajon, CA · CSLB #1130879 · as of October 8, 2026
    Active · clear
26. Westbridge Group INC

    Irvine, CA · CSLB #1105370 · as of October 8, 2026
    Active · clear
27. Westcal Mechanical INC

    Villa Park, CA · CSLB #743784 · as of October 8, 2026
    Active · clear
28. West Coast Air

    Shingle Springs, CA · CSLB #900254 · as of October 8, 2026
    Active · clear
29. West Coast Aire INC

    Riverside, CA · CSLB #599420 · as of October 8, 2026
    Active · clear
30. West Coast Air Group INC

    West Hills, CA · CSLB #1058249 · as of October 8, 2026
    Active · clear
31. West Coast Air Solutions

    Madera, CA · CSLB #975996 · as of October 8, 2026
    Active · clear
32. Golden State Equipment Repair DBA West Coast Appliance Service

    Roseville, CA · CSLB #664154 · as of October 8, 2026
    Active · clear
33. West Coast Chief Repair INC

    Burbank, CA · CSLB #738122 · as of October 8, 2026
    Active · clear
34. West Coast Cooling

    Whittier, CA · CSLB #1037674 · as of October 8, 2026
    Active · clear
35. West Coast Energy

    Anaheim, CA · CSLB #685478 · as of October 8, 2026
    Active · clear
36. West Coast Heating And Air

    Roseville, CA · CSLB #1073570 · as of October 8, 2026
    Active · clear
37. West Coast HVAC

    Salinas, CA · CSLB #1153725 · as of October 8, 2026
    Active · clear
38. West Coast HVAC Pro

    Fresno, CA · CSLB #1022184 · as of October 8, 2026
    Active · clear
39. West Coast Mechanical

    San Jose, CA · CSLB #1010946 · as of October 8, 2026
    Active · clear
40. West Coast Mechanical LLC

    Martinez, CA · CSLB #1111467 · as of October 8, 2026
    Active · clear
41. Westcold Services

    San Pablo, CA · CSLB #1084309 · as of October 8, 2026
    Active · clear
42. West Country HVAC

    Hesperia, CA · CSLB #954637 · as of October 8, 2026
    Active · clear
43. Westec Aire

    Desert Hot Springs, CA · CSLB #681196 · as of October 8, 2026
    Active · clear
44. West End Heating And Air

    Ontario, CA · CSLB #1110549 · as of October 8, 2026
    Active · clear
45. Fusero INC DBA Western Air Cooling & Heating

    Palm Desert, CA · CSLB #1068351 · as of October 8, 2026
    Active · clear
46. Western Air Mechanical

    San Dimas, CA · CSLB #1007340 · as of October 8, 2026
    Active · clear
47. Western Air Solutions INC

    Santa Ana, CA · CSLB #1094278 · as of October 8, 2026
    Active · clear
48. Western Allied Corporation

    Santa Fe Springs, CA · CSLB #198821 · as of October 8, 2026
    Active · clear
49. Western Equipment Service CO

    Lancaster, CA · CSLB #697045 · as of October 8, 2026
    Active · clear
50. Western Indoor Environmental Services

    Montebello, CA · CSLB #1001877 · as of October 8, 2026
    Active · clear
51. Western Mechanical INC

    Acton, CA · CSLB #618138 · as of October 8, 2026
    Active · clear
52. Western Pacific Mechanical Services Incorporated

    Sacramento, CA · CSLB #499059 · as of October 8, 2026
    Active · clear
53. Western Plumbing Heating Air Cond

    Lemoore, CA · CSLB #502919 · as of October 8, 2026
    Active · clear
54. Western Ranch Plumbing

    Alpine, CA · CSLB #1128547 · as of October 8, 2026
    Active · clear
55. Western Refrigeration - Services

    Downey, CA · CSLB #940153 · as of October 8, 2026
    Active · clear
56. Western Winds Group LLC

    Calabasas, CA · CSLB #1148815 · as of October 8, 2026
    Active · clear
57. West Heating & Air

    Apple Valley, CA · CSLB #559399 · as of October 8, 2026
    Active · clear
58. West Heating & Air Conditioning

    Oakhurst, CA · CSLB #932548 · as of October 8, 2026
    Active · clear
59. West Heating & Cooling INC

    Lancaster, CA · CSLB #1020368 · as of October 8, 2026
    Active · clear
60. Westmech INC

    Lakeside, CA · CSLB #1088255 · as of October 8, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.