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 8,341–8,400 of 8,936 contractors

1. Wizard's Air Conditioning

   Yuma, CA · CSLB #1036956 · as of October 8, 2026
   Active · clear
2. W L Wills INC

   Madera, CA · CSLB #852971 · as of October 8, 2026
   Active · clear
3. Wolf Air INC

   Chatsworth, CA · CSLB #1154534 · as of October 8, 2026
   Active · clear
4. Wolfe Bros Heating And Air INC

   Placentia, CA · CSLB #1063493 · as of October 8, 2026
   Active · clear
5. Michael Robert Tyrone Wolfe

   Chino, CA · CSLB #1095996 · as of October 8, 2026
   Active · clear
6. Wolves HVAC Mechanical

   South San Francisco, CA · CSLB #760264 · as of October 8, 2026
   Active · clear
7. Wood Bros Heating & Air Conditioning CO

   Lancaster, CA · CSLB #960081 · as of October 8, 2026
   Active · clear
8. Woodland Heating & Air Conditioning INC

   Woodland, CA · CSLB #876003 · as of October 8, 2026
   Active · clear
9. Woolard H V A C /R

   Newport Beach, CA · CSLB #1021367 · as of October 8, 2026
   Active · clear
10. Smart Air Control System INC DBA Woori Cool

    Los Angeles, CA · CSLB #1089852 · as of October 8, 2026
    Active · clear
11. Woori Cool HVAC INC

    Fullerton, CA · CSLB #1083086 · as of October 8, 2026
    Active · clear
12. W C Word Sheet Metal

    Modesto, CA · CSLB #877748 · as of October 8, 2026
    Active · clear
13. Worland Mechanical CO

    Descanso, CA · CSLB #1157982 · as of October 8, 2026
    Active · clear
14. World Appliances

    Saugus, CA · CSLB #938931 · as of October 8, 2026
    Active · clear
15. World Class Air INC

    Santa Barbara, CA · CSLB #1058570 · as of October 8, 2026
    Active · clear
16. World H V A C Service INC

    Fountain Valley, CA · CSLB #1055435 · as of October 8, 2026
    Active · clear
17. Wright Bros Welding & Sheet Metal INC

    Hollister, CA · CSLB #393679 · as of October 8, 2026
    Active · clear
18. Wright Heating & Air Conditioning

    Foresthill, CA · CSLB #747722 · as of October 8, 2026
    Active · clear
19. Wrights Heating And Air

    San Diego, CA · CSLB #767590 · as of October 8, 2026
    Active · clear
20. WR Mechanical INC

    Lancaster, CA · CSLB #1036150 · as of October 8, 2026
    Active · clear
21. WR Robbins Company

    Oceanside, CA · CSLB #890971 · as of October 8, 2026
    Active · clear
22. Chung Chieh Wu

    Diamond Bar, CA · CSLB #1105504 · as of October 8, 2026
    Active · clear
23. Jianzhi Wu

    Hacienda Heights, CA · CSLB #1034425 · as of October 8, 2026
    Active · clear
24. Wy&g INC

    Santa Clarita, CA · CSLB #1044922 · as of October 8, 2026
    Active · clear
25. WYJ Comfort Cooling & Heating Expert

    Cupertino, CA · CSLB #1140364 · as of October 8, 2026
    Active · clear
26. Wyllie's Heating & Air Conditioning

    Tulare, CA · CSLB #1041067 · as of October 8, 2026
    Active · clear
27. Xaviers Heating And Air

    Upland, CA · CSLB #911404 · as of October 8, 2026
    Active · clear
28. Xcel Heating And Air Conditioning INC

    Lafayette, CA · CSLB #1107541 · as of October 8, 2026
    Active · clear
29. Xceptional Heating & Air

    Bakersfield, CA · CSLB #1000230 · as of October 8, 2026
    Active · clear
30. Xclusive Air Conditioning

    Indio, CA · CSLB #1158222 · as of October 8, 2026
    Active · clear
31. Richard Guo Rong Xia

    Arcadia, CA · CSLB #791994 · as of October 8, 2026
    Active · clear
32. X I Dynamics INC

    Fresno, CA · CSLB #971170 · as of October 8, 2026
    Active · clear
33. Xionghui Luo

    Chatsworth, CA · CSLB #1137154 · as of October 8, 2026
    Active · clear
34. XLC Heating And Cooling

    Temple City, CA · CSLB #1137423 · as of October 8, 2026
    Active · clear
35. Xpress Air INC

    Fowler, CA · CSLB #1134699 · as of October 8, 2026
    Active · clear
36. Xpress Heating & Air

    Modesto, CA · CSLB #856368 · as of October 8, 2026
    Active · clear
37. Xpress Heating & Air

    Upland, CA · CSLB #1053491 · as of October 8, 2026
    Active · clear
38. Xpress Heating & Air Conditioning

    Strathmore, CA · CSLB #973772 · as of October 8, 2026
    Active · clear
39. XR Air Conditioning & Heating INC

    Northridge, CA · CSLB #1146181 · as of October 8, 2026
    Active · clear
40. Xtra Air Comfort

    Highland, CA · CSLB #946649 · as of October 8, 2026
    Active · clear
41. Xtreme Air

    Buena Park, CA · CSLB #1099874 · as of October 8, 2026
    Active · clear
42. Xtreme Air Technologies INC

    Oak Hills, CA · CSLB #878051 · as of October 8, 2026
    Active · clear
43. Xtreme Heating And Air Conditioning

    Temecula, CA · CSLB #1146297 · as of October 8, 2026
    Active · clear
44. Xtreme Mechanical/sale & Service

    Sacramento, CA · CSLB #1095738 · as of October 8, 2026
    Active · clear
45. Yaeger Services INC

    Orange, CA · CSLB #903595 · as of October 8, 2026
    Active · clear
46. Yang's Heating & Cooling

    San Jose, CA · CSLB #673193 · as of October 8, 2026
    Active · clear
47. Yantzer Brothers Heating And Air INC

    Westlake Village, CA · CSLB #989963 · as of October 8, 2026
    Active · clear
48. Yates Air Conditioning & Heating

    Bakersfield, CA · CSLB #734781 · as of October 8, 2026
    Active · clear
49. Yboa HVAC Mechanical INC

    Los Angeles, CA · CSLB #1113851 · as of October 8, 2026
    Active · clear
50. Yeany Air Conditioning And Heating

    North Hills, CA · CSLB #438910 · as of October 8, 2026
    Active · clear
51. Year Round Heating & Air Conditioning LLC

    Redlands, CA · CSLB #1051175 · as of October 8, 2026
    Active · clear
52. Yeazel Heating & Air

    El Cajon, CA · CSLB #1017516 · as of October 8, 2026
    Active · clear
53. Yeti Air

    Upland, CA · CSLB #1106311 · as of October 8, 2026
    Active · clear
54. Yeti Air Conditioning And Heating

    Perris, CA · CSLB #1142505 · as of October 8, 2026
    Active · clear
55. YF HVAC

    El Monte, CA · CSLB #1128450 · as of October 8, 2026
    Active · clear
56. Ynot Heating And Air

    Antioch, CA · CSLB #940610 · as of October 8, 2026
    Active · clear
57. Yonan's Heating & Cooling

    Modesto, CA · CSLB #1094528 · as of October 8, 2026
    Active · clear
58. Yorba Linda Air Conditioning INC

    Yorba Linda, CA · CSLB #1122870 · as of October 8, 2026
    Active · clear
59. York Appliances & Hvacr

    Los Angeles, CA · CSLB #999993 · as of October 8, 2026
    Active · clear
60. Yosemite Air

    Oakhurst, CA · CSLB #848188 · 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.