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 6,901–6,960 of 8,936 contractors

1. Rogers Services

   Sebastopol, CA · CSLB #555201 · as of October 8, 2026
   Active · clear
2. Rohan & Sons INC

   San Clemente, CA · CSLB #461076 · as of October 8, 2026
   Active · clear
3. Ro Heating And Air Conditioning INC

   Fairfax, CA · CSLB #1150853 · as of October 8, 2026
   Active · clear
4. Rohr Mechanical

   Lincoln, CA · CSLB #887411 · as of October 8, 2026
   Active · clear
5. Rojas Air Conditioning

   Santa Ana, CA · CSLB #1036021 · as of October 8, 2026
   Active · clear
6. Roku Air Conditioning And Heating INC

   Van Nuys, CA · CSLB #1121906 · as of October 8, 2026
   Active · clear
7. Rolo Heating & Air Conditioning

   Anaheim, CA · CSLB #806279 · as of October 8, 2026
   Active · clear
8. Roltek INC

   North Hollywood, CA · CSLB #1140601 · as of October 8, 2026
   Active · clear
9. Ro-ma HVAC

   San Ysidro, CA · CSLB #1117625 · as of October 8, 2026
   Active · clear
10. Romano HVAC Incorporated

    Roseville, CA · CSLB #1077499 · as of October 8, 2026
    Active · clear
11. L J Roman's Heating & Air INC

    Lathrop, CA · CSLB #830034 · as of October 8, 2026
    Active · clear
12. Rome Air HVAC Solutions

    South Gate, CA · CSLB #1121357 · as of October 8, 2026
    Active · clear
13. Romel Services Heating And Cooling

    West Hills, CA · CSLB #1159366 · as of October 8, 2026
    Active · clear
14. Romeo's Heating And Air Conditioning

    Temecula, CA · CSLB #946939 · as of October 8, 2026
    Active · clear
15. Romero Heating

    Salinas, CA · CSLB #1083263 · as of October 8, 2026
    Active · clear
16. Romero's HVAC INC

    Concord, CA · CSLB #709906 · as of October 8, 2026
    Active · clear
17. Romey HVAC

    Poway, CA · CSLB #1124568 · as of October 8, 2026
    Active · clear
18. Romo Heating And Air LLC

    Sacramento, CA · CSLB #1100589 · as of October 8, 2026
    Active · clear
19. Ronco Air INC

    Grover Beach, CA · CSLB #817185 · as of October 8, 2026
    Active · clear
20. Ronnie Air Conditioning & Heating

    Bakersfield, CA · CSLB #1070545 · as of October 8, 2026
    Active · clear
21. Ron's Appliances Heating & Air INC

    Fair Oaks, CA · CSLB #738511 · as of October 8, 2026
    Active · clear
22. Ron's Heating & Air Conditioning INC

    Orange, CA · CSLB #648033 · as of October 8, 2026
    Active · clear
23. Ronzano Sheet Metal INC

    Aptos, CA · CSLB #673657 · as of October 8, 2026
    Active · clear
24. Roofscreen MFG INC

    Santa Cruz, CA · CSLB #995543 · as of October 8, 2026
    Active · clear
25. Dave Root Heating & Air Conditioning

    Grass Valley, CA · CSLB #632134 · as of October 8, 2026
    Active · clear
26. Ropa's Air Conditioning Service

    Wildomar, CA · CSLB #1020868 · as of October 8, 2026
    Active · clear
27. Rosales Aire INC

    Anaheim, CA · CSLB #1085385 · as of October 8, 2026
    Active · clear
28. Rosales Heating And Air Conditioning

    Oakdale, CA · CSLB #869593 · as of October 8, 2026
    Active · clear
29. Rosati S I Air Conditioning

    Alta Loma, CA · CSLB #371026 · as of October 8, 2026
    Active · clear
30. Rose Heating - Air Conditioning & Sheet Metal

    Modesto, CA · CSLB #756687 · as of October 8, 2026
    Active · clear
31. Roseville Refrigeration

    Roseville, CA · CSLB #691478 · as of October 8, 2026
    Active · clear
32. Roseville Sheet Metal INC

    Roseville, CA · CSLB #182602 · as of October 8, 2026
    Active · clear
33. Rosko Star HVAC INC

    Glendale, CA · CSLB #1116065 · as of October 8, 2026
    Active · clear
34. Ross Air Conditioning INC

    Riverside, CA · CSLB #949880 · as of October 8, 2026
    Active · clear
35. Rossello Heating And Air

    San Jacinto, CA · CSLB #1162015 · as of October 8, 2026
    Active · clear
36. Ross HVAC Service

    Rohnert Park, CA · CSLB #1149641 · as of October 8, 2026
    Active · clear
37. Alfred Rostomyan

    Glendale, CA · CSLB #1095629 · as of October 8, 2026
    Active · clear
38. Roterts Appl Repair

    Stockton, CA · CSLB #542874 · as of October 8, 2026
    Active · clear
39. Round Tuit Heating And Air

    Granite Bay, CA · CSLB #1117850 · as of October 8, 2026
    Active · clear
40. Rowland Air INC

    Sylmar, CA · CSLB #920387 · as of October 8, 2026
    Active · clear
41. Rowley Heating And Air

    Alta, CA · CSLB #1045982 · as of October 8, 2026
    Active · clear
42. Royal Breeze INC

    Sacramento, CA · CSLB #856850 · as of October 8, 2026
    Active · clear
43. Royal California Air

    Bakersfield, CA · CSLB #1090668 · as of October 8, 2026
    Active · clear
44. Royal Comfort A/c & Heating

    Riverside, CA · CSLB #882862 · as of October 8, 2026
    Active · clear
45. Royale Air Heating And Air Conditioning

    Brentwood, CA · CSLB #1025922 · as of October 8, 2026
    Active · clear
46. Royal Flush Air Conditioning

    Fillmore, CA · CSLB #1127846 · as of October 8, 2026
    Active · clear
47. Royal Heating And Air

    Los Angeles, CA · CSLB #1157356 · as of October 8, 2026
    Active · clear
48. Royalty Heating & Air INC

    Roseville, CA · CSLB #1112463 · as of October 8, 2026
    Active · clear
49. Royalty Heating And Air Conditioning

    Murrieta, CA · CSLB #1109929 · as of October 8, 2026
    Active · clear
50. Roy Mechanical Services Incorporated

    Sebastopol, CA · CSLB #876217 · as of October 8, 2026
    Active · clear
51. RPM Heating & Air

    El Cajon, CA · CSLB #1078785 · as of October 8, 2026
    Active · clear
52. R P M Heating And Air Conditioning

    Sacramento, CA · CSLB #974480 · as of October 8, 2026
    Active · clear
53. RPM Socal LLC

    Trabuco Canyon, CA · CSLB #1091110 · as of October 8, 2026
    Active · clear
54. R Powell Mechanical

    Oakland, CA · CSLB #1139432 · as of October 8, 2026
    Active · clear
55. R & R Air Conditioning

    Clovis, CA · CSLB #951590 · as of October 8, 2026
    Active · clear
56. R & R Enterprise

    Newcastle, CA · CSLB #690090 · as of October 8, 2026
    Active · clear
57. R&R Heating & Air Conditioning INC

    Redding, CA · CSLB #1000768 · as of October 8, 2026
    Active · clear
58. R R Heating And Air Conditioning

    Castaic, CA · CSLB #923053 · as of October 8, 2026
    Active · clear
59. R & R Heating And Air INC

    Van Nuys, CA · CSLB #1047306 · as of October 8, 2026
    Active · clear
60. RR HVAC INC

    San Diego, CA · CSLB #1020173 · 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.