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 6,961–7,020 of 8,936 contractors

1. RR HVAC Services

   Arcadia, CA · CSLB #1149872 · as of October 8, 2026
   Active · clear
2. R & R Mechanical

   Stockton, CA · CSLB #996195 · as of October 8, 2026
   Active · clear
3. RS Air Conditioning & Heating

   Glendora, CA · CSLB #966380 · as of October 8, 2026
   Active · clear
4. R Santerelli HVAC

   Shingle Springs, CA · CSLB #1150484 · as of October 8, 2026
   Active · clear
5. R S C Mechanical INC

   Clinton Township, CA · CSLB #1050870 · as of October 8, 2026
   Active · clear
6. R S G

   Moreno Valley, CA · CSLB #1027717 · as of October 8, 2026
   Active · clear
7. R S Heating And Cooling

   Clovis, CA · CSLB #1020375 · as of October 8, 2026
   Active · clear
8. R & S Heating And Sheet Metal INC

   Monterey, CA · CSLB #770707 · as of October 8, 2026
   Active · clear
9. Rsi HVAC LLC

   San Diego, CA · CSLB #1153760 · as of October 8, 2026
   Active · clear
10. RS Mechanical Heating & Air INC

    Modesto, CA · CSLB #1039812 · as of October 8, 2026
    Active · clear
11. RSM Mechanical

    San Diego, CA · CSLB #1129352 · as of October 8, 2026
    Active · clear
12. RSM Mechanical

    Riverside, CA · CSLB #987306 · as of October 8, 2026
    Active · clear
13. RTC Heating And Air Conditioning

    Riverside, CA · CSLB #1095272 · as of October 8, 2026
    Active · clear
14. R T D Mechanical

    Belmont, CA · CSLB #979427 · as of October 8, 2026
    Active · clear
15. RT Enterprises INC

    San Bernardino, CA · CSLB #663020 · as of October 8, 2026
    Active · clear
16. R T Heating & Cooling

    Fowler, CA · CSLB #1102173 · as of October 8, 2026
    Active · clear
17. RT Olson Plumbing, Heating And Air Conditioning LLC

    Corona, CA · CSLB #997337 · as of October 8, 2026
    Active · clear
18. Ruane Heating & Air Conditioning CO

    Lancaster, CA · CSLB #584115 · as of October 8, 2026
    Active · clear
19. Ruane Mechanical INC

    Lancaster, CA · CSLB #1029879 · as of October 8, 2026
    Active · clear
20. Ruben Heating & Air Conditioning INC

    Canyon Country, CA · CSLB #1146255 · as of October 8, 2026
    Active · clear
21. Ruben's Air Conditioning Heating & Ventilation Services

    Glendale, CA · CSLB #737808 · as of October 8, 2026
    Active · clear
22. Rudy's Air Conditioning And Heating INC

    Bakersfield, CA · CSLB #725031 · as of October 8, 2026
    Active · clear
23. Ruiz Air

    Stockton, CA · CSLB #1112571 · as of October 8, 2026
    Active · clear
24. Running Springs Heating & Air

    Lakeport, CA · CSLB #706322 · as of October 8, 2026
    Active · clear
25. Rush Air Mechanical

    San Mateo, CA · CSLB #1010774 · as of October 8, 2026
    Active · clear
26. Rush Mechanical

    Sacramento, CA · CSLB #441882 · as of October 8, 2026
    Active · clear
27. Ruslan Gazizov

    San Jose, CA · CSLB #1154007 · as of October 8, 2026
    Active · clear
28. Russ Air Conditioning & Heating Services

    Stockton, CA · CSLB #1039146 · as of October 8, 2026
    Active · clear
29. Russell Air Conditioning INC

    Desert Hot Springs, CA · CSLB #960094 · as of October 8, 2026
    Active · clear
30. Russell Heating & Air Conditioning INC

    Tracy, CA · CSLB #983173 · as of October 8, 2026
    Active · clear
31. Russell's Heating & Air Conditioning

    Yucaipa, CA · CSLB #719570 · as of October 8, 2026
    Active · clear
32. Russo's Heating & Air Conditioning Company

    Stockton, CA · CSLB #747167 · as of October 8, 2026
    Active · clear
33. Rusth Heating & Air

    Manhattan Beach, CA · CSLB #699281 · as of October 8, 2026
    Active · clear
34. R V D Heating & Air And Son

    Madera, CA · CSLB #788022 · as of October 8, 2026
    Active · clear
35. R VQ Air Systems INC

    Rosemead, CA · CSLB #540093 · as of October 8, 2026
    Active · clear
36. Ryan Dobkin

    Riverside, CA · CSLB #1065668 · as of October 8, 2026
    Active · clear
37. Ryan HVAC

    Yorba Linda, CA · CSLB #1073174 · as of October 8, 2026
    Active · clear
38. Ryan Refrigeration Heating Air

    Escondido, CA · CSLB #889426 · as of October 8, 2026
    Active · clear
39. Ryan's Heating And Cooling

    Redwood City, CA · CSLB #1148014 · as of October 8, 2026
    Active · clear
40. S3H - SSW A Joint Venture

    Palm Springs, CA · CSLB #1046406 · as of October 8, 2026
    Active · clear
41. Sac City Heat And Air INC

    Folsom, CA · CSLB #664788 · as of October 8, 2026
    Active · clear
42. Sac Heating And Air

    West Sacramento, CA · CSLB #1120155 · as of October 8, 2026
    Active · clear
43. Sacramento A C & Refrigeration

    Carmichael, CA · CSLB #907581 · as of October 8, 2026
    Active · clear
44. Sacramento Heating & Cooling

    Elk Grove, CA · CSLB #1141035 · as of October 8, 2026
    Active · clear
45. Sacramento Refrigeration INC

    Sacramento, CA · CSLB #455060 · as of October 8, 2026
    Active · clear
46. Saddleback Plumbing INC

    Lake Forest, CA · CSLB #414946 · as of October 8, 2026
    Active · clear
47. Saddleback Valley Air Conditioning & Heating

    Lake Forest, CA · CSLB #443517 · as of October 8, 2026
    Active · clear
48. Safe Way Air

    La Quinta, CA · CSLB #1047575 · as of October 8, 2026
    Active · clear
49. Oren Shabo DBA Sahara Heating & Air

    Woodland Hills, CA · CSLB #1055819 · as of October 8, 2026
    Active · clear
50. S A Heating & Air Conditioning

    Oakley, CA · CSLB #885683 · as of October 8, 2026
    Active · clear
51. S A Heating And Air Conditioning

    San Ramon, CA · CSLB #932696 · as of October 8, 2026
    Active · clear
52. S A Heating & Cooling

    San Jose, CA · CSLB #1118497 · as of October 8, 2026
    Active · clear
53. S A HVAC & Appliance Repair

    Los Angeles, CA · CSLB #1077515 · as of October 8, 2026
    Active · clear
54. Saul Rene Salamanca

    Huntington Park, CA · CSLB #1083079 · as of October 8, 2026
    Active · clear
55. Ernest Salas Gonzales JR

    Porterville, CA · CSLB #1119985 · as of October 8, 2026
    Active · clear
56. Salas Heating & Air Conditioning

    Wilmington, CA · CSLB #959946 · as of October 8, 2026
    Active · clear
57. Armando Salcedo

    Alta Loma, CA · CSLB #844176 · as of October 8, 2026
    Active · clear
58. Miguel Saldana

    Hollister, CA · CSLB #971792 · as of October 8, 2026
    Active · clear
59. Juan Carlos Saldivar

    Anaheim, CA · CSLB #978214 · as of October 8, 2026
    Active · clear
60. Salgado Air Conditioning & Heating

    Whittier, CA · CSLB #1055187 · 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.