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 7,261–7,320 of 8,936 contractors

1. Sinkie's Heating And Cooling

   Chico, CA · CSLB #1104633 · as of October 8, 2026
   Active · clear
2. S I S Air INC

   Sun Valley, CA · CSLB #936362 · as of October 8, 2026
   Active · clear
3. Site Six HVAC

   Corona, CA · CSLB #1115159 · as of October 8, 2026
   Active · clear
4. Six Mechanical LLC

   Bakersfield, CA · CSLB #1069149 · as of October 8, 2026
   Active · clear
5. Six Rivers Mechanical INC

   Eureka, CA · CSLB #1013735 · as of October 8, 2026
   Active · clear
6. Siya Air Conditioning & Heating

   Montebello, CA · CSLB #1045067 · as of October 8, 2026
   Active · clear
7. SJ California HVAC

   San Jose, CA · CSLB #1122319 · as of October 8, 2026
   Active · clear
8. SJ Heating & Air Conditioning

   San Jose, CA · CSLB #1139062 · as of October 8, 2026
   Active · clear
9. S J S Heating & A/c

   Monrovia, CA · CSLB #804895 · as of October 8, 2026
   Active · clear
10. SK Air Conditioning Corp

    Chino, CA · CSLB #931901 · as of October 8, 2026
    Active · clear
11. Ski Air Incorporated

    Placerville, CA · CSLB #339581 · as of October 8, 2026
    Active · clear
12. Skidco Air

    Rancho Cucamonga, CA · CSLB #972571 · as of October 8, 2026
    Active · clear
13. Skilled Mechanical Solutions LLC

    San Diego, CA · CSLB #1143884 · as of October 8, 2026
    Active · clear
14. Skills HVAC Services INC

    Panorama City, CA · CSLB #1075783 · as of October 8, 2026
    Active · clear
15. S-klass Comfort INC

    Glendale, CA · CSLB #1146326 · as of October 8, 2026
    Active · clear
16. Sko Air Conditioning

    North Hollywood, CA · CSLB #827784 · as of October 8, 2026
    Active · clear
17. SKY Clean Air INC

    San Diego, CA · CSLB #1036543 · as of October 8, 2026
    Active · clear
18. SKY Country Heating And Air Cond

    Mira Loma, CA · CSLB #896055 · as of October 8, 2026
    Active · clear
19. SKY Heating And Air

    Sacramento, CA · CSLB #1094627 · as of October 8, 2026
    Active · clear
20. SKY Heating And Air Conditioning INC

    Antelope, CA · CSLB #1094875 · as of October 8, 2026
    Active · clear
21. SKY Heating & Cooling INC

    Orange, CA · CSLB #1045281 · as of October 8, 2026
    Active · clear
22. Skyline Heating And Sheet Metal

    Mountain View, CA · CSLB #205507 · as of October 8, 2026
    Active · clear
23. SKY Moon Holdings Incorporated

    Rodeo, CA · CSLB #1160719 · as of October 8, 2026
    Active · clear
24. Skytown Mechanical

    El Cerrito, CA · CSLB #1030357 · as of October 8, 2026
    Active · clear
25. SKY Whirl INC

    Patterson, CA · CSLB #962780 · as of October 8, 2026
    Active · clear
26. Slade Varola Heating And Air LLC

    Simi Valley, CA · CSLB #1161021 · as of October 8, 2026
    Active · clear
27. Slane Heating And Air Conditioning

    Fallbrook, CA · CSLB #1103325 · as of October 8, 2026
    Active · clear
28. Slayton Mechanical Contractors INC

    Lakeside, CA · CSLB #662141 · as of October 8, 2026
    Active · clear
29. S L Mechanical Contractors

    San Francisco, CA · CSLB #697542 · as of October 8, 2026
    Active · clear
30. Sloan Mechanical

    Foothill Ranch, CA · CSLB #946467 · as of October 8, 2026
    Active · clear
31. SLR Heating & Cooling INC

    Valley Village, CA · CSLB #1066955 · as of October 8, 2026
    Active · clear
32. S M Air

    Davis, CA · CSLB #841824 · as of October 8, 2026
    Active · clear
33. Smart Air Consulting INC

    Santa Clarita, CA · CSLB #1162105 · as of October 8, 2026
    Active · clear
34. Smart Air INC

    Calabasas, CA · CSLB #1020501 · as of October 8, 2026
    Active · clear
35. Smartchoice Service INC

    Santa Ana, CA · CSLB #1120994 · as of October 8, 2026
    Active · clear
36. Smart Control HVAC

    Los Angeles, CA · CSLB #1098382 · as of October 8, 2026
    Active · clear
37. Smart Decisions SDS INC

    San Marcos, CA · CSLB #1060126 · as of October 8, 2026
    Active · clear
38. Smart Heating & Air

    Elk Grove, CA · CSLB #1080736 · as of October 8, 2026
    Active · clear
39. Smart Heating And Air Conditioning INC

    Concord, CA · CSLB #1084354 · as of October 8, 2026
    Active · clear
40. Smart Heating & Cooling Solutions

    Alta Loma, CA · CSLB #1067848 · as of October 8, 2026
    Active · clear
41. Smart Home Appliance

    San Francisco, CA · CSLB #1149702 · as of October 8, 2026
    Active · clear
42. Smart H V A C Corporation

    Gilroy, CA · CSLB #1010705 · as of October 8, 2026
    Active · clear
43. Smart HVAC Solutions

    Oak Park, CA · CSLB #1071999 · as of October 8, 2026
    Active · clear
44. Smart Mechanical Solutions

    Valencia, CA · CSLB #1034563 · as of October 8, 2026
    Active · clear
45. Smart Mechanical Solutions LLC

    Roseville, CA · CSLB #765410 · as of October 8, 2026
    Active · clear
46. Smart Zone HVAC INC

    Glendale, CA · CSLB #1158327 · as of October 8, 2026
    Active · clear
47. SMB Mechanical Solutions

    Brentwood, CA · CSLB #1110728 · as of October 8, 2026
    Active · clear
48. Smi HVAC Services

    Santa Maria, CA · CSLB #1107743 · as of October 8, 2026
    Active · clear
49. Smilanick Air Conditioning

    Fresno, CA · CSLB #277190 · as of October 8, 2026
    Active · clear
50. Smile Air Conditioning INC

    Granada Hills, CA · CSLB #1061186 · as of October 8, 2026
    Active · clear
51. Smith Air Conditioning

    San Diego, CA · CSLB #571419 · as of October 8, 2026
    Active · clear
52. Smith Brothers Appliance Repair

    Orange, CA · CSLB #994832 · as of October 8, 2026
    Active · clear
53. David B Smith

    La Verne, CA · CSLB #1005947 · as of October 8, 2026
    Active · clear
54. Leo Smith Heating & Cooling

    Grass Valley, CA · CSLB #1017568 · as of October 8, 2026
    Active · clear
55. Smith & Sons Heating And Air INC

    Spring Valley, CA · CSLB #1068876 · as of October 8, 2026
    Active · clear
56. Smittys Solutions Heating & Air Conditioning

    Mentone, CA · CSLB #1130835 · as of October 8, 2026
    Active · clear
57. Smooth Air

    Sunland, CA · CSLB #1029298 · as of October 8, 2026
    Active · clear
58. SM Value HVAC

    Bradenton, CA · CSLB #1045263 · as of October 8, 2026
    Active · clear
59. SN Heating And Ac

    Stockton, CA · CSLB #1160132 · as of October 8, 2026
    Active · clear
60. Snowflake Refrigeration Services INC DBA Snowflake HVAC Services

    Rancho Cucamonga, CA · CSLB #1060652 · 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.