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 7,141–7,200 of 8,936 contractors

1. Selway Mechanical HVAC

   Chatsworth, CA · CSLB #1079381 · as of October 8, 2026
   Active · clear
2. Semper Fi Heating & Air

   Elk Grove, CA · CSLB #1038297 · as of October 8, 2026
   Active · clear
3. Semper Five INC

   Cameron Park, CA · CSLB #1069953 · as of October 8, 2026
   Active · clear
4. Senergy Heating And Air Conditioning

   Riverside, CA · CSLB #978933 · as of October 8, 2026
   Active · clear
5. Sensley's Refrigeration

   Antioch, CA · CSLB #568095 · as of October 8, 2026
   Active · clear
6. Joseph Nick Sepe

   Chatsworth, CA · CSLB #760952 · as of October 8, 2026
   Active · clear
7. Sepulveda Air INC

   Bellflower, CA · CSLB #1134234 · as of October 8, 2026
   Active · clear
8. Sepulveda's Heating And Cooling

   Northridge, CA · CSLB #1126465 · as of October 8, 2026
   Active · clear
9. Sequoia Mechanical Air INC

   Canyon Country, CA · CSLB #909462 · as of October 8, 2026
   Active · clear
10. Serenergy Corp

    Glendale, CA · CSLB #1036322 · as of October 8, 2026
    Active · clear
11. Sergey's Appliance

    Los Angeles, CA · CSLB #994438 · as of October 8, 2026
    Active · clear
12. Serj Air Conditioning

    Sunland, CA · CSLB #966571 · as of October 8, 2026
    Active · clear
13. Sern-air Mechanical & Solutions

    Perris, CA · CSLB #1147094 · as of October 8, 2026
    Active · clear
14. Serrano Heating & Air

    Sacramento, CA · CSLB #953217 · as of October 8, 2026
    Active · clear
15. Serrano's Mechanical Systems

    San Jose, CA · CSLB #1144259 · as of October 8, 2026
    Active · clear
16. Serrato Heating And Air Conditioning

    Porterville, CA · CSLB #1007909 · as of October 8, 2026
    Active · clear
17. Serrato Mechanical INC

    Lake Elsinore, CA · CSLB #1009966 · as of October 8, 2026
    Active · clear
18. Service 1 Heating & Air Conditioning

    Redding, CA · CSLB #966502 · as of October 8, 2026
    Active · clear
19. Service Air

    Bellflower, CA · CSLB #651557 · as of October 8, 2026
    Active · clear
20. Service Air INC

    Northridge, CA · CSLB #1135689 · as of October 8, 2026
    Active · clear
21. Service All Stars Heating And Air Comfort

    Bellflower, CA · CSLB #1048799 · as of October 8, 2026
    Active · open complaint
22. Service Cowboy Heating And Air

    Ramona, CA · CSLB #1130681 · as of October 8, 2026
    Active · clear
23. Service Experts Heating & Air Conditioning

    Livermore, CA · CSLB #1074641 · as of October 8, 2026
    Active · clear
24. Service First Heating And Air

    El Dorado Hills, CA · CSLB #963287 · as of October 8, 2026
    Active · clear
25. Service Hero Plumbing Heating & Air

    Mission Hills, CA · CSLB #1004945 · as of October 8, 2026
    Active · clear
26. Service Ka LLC

    Hayward, CA · CSLB #1141882 · as of October 8, 2026
    Active · clear
27. Service Kings LLC DBA Service Kings Heating And Air

    Oakdale, CA · CSLB #1102541 · as of October 8, 2026
    Active · clear
28. Service Masters

    Los Angeles, CA · CSLB #1001064 · as of October 8, 2026
    Active · clear
29. Service Now Johnny's Sheet Metal & Heating

    Goleta, CA · CSLB #727817 · as of October 8, 2026
    Active · clear
30. Service One Air INC

    Irvine, CA · CSLB #1062160 · as of October 8, 2026
    Active · clear
31. Service Pro Family INC DBA Service Pro Air Conditioning & Heating

    Diamond Springs, CA · CSLB #619996 · as of October 8, 2026
    Active · clear
32. Service Pros

    Hollister, CA · CSLB #927518 · as of October 8, 2026
    Active · clear
33. Service Pros Air Conditioning And Plumbing

    Palm Desert, CA · CSLB #1070586 · as of October 8, 2026
    Active · clear
34. Service Rescue INC

    Fremont, CA · CSLB #1082095 · as of October 8, 2026
    Active · clear
35. Service Side LLC

    Orlando, CA · CSLB #1132263 · as of October 8, 2026
    Active · clear
36. Service Solutions

    Fullerton, CA · CSLB #793095 · as of October 8, 2026
    Active · clear
37. Service-temp Heating & Air Conditioning

    Modesto, CA · CSLB #1118013 · as of October 8, 2026
    Active · clear
38. Service Titan Ac & Heating INC

    Glendale, CA · CSLB #1088062 · as of October 8, 2026
    Active · clear
39. Service Unlimited INC

    San Carlos, CA · CSLB #456636 · as of October 8, 2026
    Active · clear
40. Service Wizards

    Diamond Bar, CA · CSLB #797071 · as of October 8, 2026
    Active · clear
41. Servicexcel Heating And Air Conditioning

    San Ramon, CA · CSLB #1123970 · as of October 8, 2026
    Active · clear
42. Servistar Plumbing And HVAC

    Sherman Oaks, CA · CSLB #885156 · as of October 8, 2026
    Active · clear
43. Servlegacy Cooling And Heating

    Riverside, CA · CSLB #1139007 · as of October 8, 2026
    Active · clear
44. Servtec Air Conditioning INC

    Santa Fe Springs, CA · CSLB #847503 · as of October 8, 2026
    Active · clear
45. S & E Services

    Yorba Linda, CA · CSLB #659265 · as of October 8, 2026
    Active · clear
46. Sespe Air Systems

    Oxnard, CA · CSLB #1156297 · as of October 8, 2026
    Active · clear
47. Set Point A / C & Heating

    Winnetka, CA · CSLB #947474 · as of October 8, 2026
    Active · clear
48. Set Point Heating And Air Conditioning

    Newhall, CA · CSLB #512856 · as of October 8, 2026
    Active · clear
49. Setpoint Refrigeration

    Cottonwood, CA · CSLB #1090887 · as of October 8, 2026
    Active · clear
50. Sevan Air Systems

    Glendale, CA · CSLB #1086285 · as of October 8, 2026
    Active · clear
51. Seven Air Heating And Cooling INC

    Auberry, CA · CSLB #1033908 · as of October 8, 2026
    Active · clear
52. Seven Mechanical

    Banning, CA · CSLB #1052519 · as of October 8, 2026
    Active · clear
53. Severson Heating & Air INC

    Lathrop, CA · CSLB #1150194 · as of October 8, 2026
    Active · clear
54. Severson Heating & Cooling

    Sonoma, CA · CSLB #508393 · as of October 8, 2026
    Active · clear
55. Sexton Heating & Air INC

    Brentwood, CA · CSLB #742699 · as of October 8, 2026
    Active · clear
56. SG Alfa Mechanical

    Sherman Oaks, CA · CSLB #1155129 · as of October 8, 2026
    Active · clear
57. Narbe Shahmoradian

    Granada Hills, CA · CSLB #1085674 · as of October 8, 2026
    Active · clear
58. Shalom Heating & Air

    Buena Park, CA · CSLB #967182 · as of October 8, 2026
    Active · clear
59. Sharkaire

    Dublin, CA · CSLB #1122281 · as of October 8, 2026
    Active · clear
60. Shark HVAC INC

    Anaheim, CA · CSLB #1150679 · 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.