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 3,901–3,960 of 8,936 contractors

1. Greenflow HVAC INC

   San Francisco, CA · CSLB #940159 · as of October 8, 2026
   Active · clear
2. Green Fuse HVAC & Appliance Repair

   Rancho Santa Margarita, CA · CSLB #1123169 · as of October 8, 2026
   Active · clear
3. Green Globe HVAC INC

   Camarillo, CA · CSLB #874370 · as of October 8, 2026
   Active · clear
4. Greenhill Technologies

   Sacramento, CA · CSLB #1148131 · as of October 8, 2026
   Active · clear
5. Green Home Heating And Air LLC

   Sacramento, CA · CSLB #1117827 · as of October 8, 2026
   Active · clear
6. Green HVAC LLC

   San Jose, CA · CSLB #1129430 · as of October 8, 2026
   Active · clear
7. Green HVAC Pro INC

   Woodland Hills, CA · CSLB #1045726 · as of October 8, 2026
   Active · clear
8. Greenland HVAC INC

   Van Nuys, CA · CSLB #1122606 · as of October 8, 2026
   Active · clear
9. Greenleaf Heating & Cooling

   Whittier, CA · CSLB #975600 · as of October 8, 2026
   Active · clear
10. Green Life Services

    Pomona, CA · CSLB #968571 · as of October 8, 2026
    Active · clear
11. Green Line A/c Services INC

    Woodland Hills, CA · CSLB #1103289 · as of October 8, 2026
    Active · clear
12. Green Planet Heatng & Cooling INC

    San Jose, CA · CSLB #1003949 · as of October 8, 2026
    Active · clear
13. Green Planet H.V.A.C

    Los Angeles, CA · CSLB #1132207 · as of October 8, 2026
    Active · clear
14. Green Plumbing Services INC

    El Cajon, CA · CSLB #906239 · as of October 8, 2026
    Active · clear
15. Green Power Air Controls INC

    Hacienda Heights, CA · CSLB #899104 · as of October 8, 2026
    Active · clear
16. Greenstar Home Services

    Memphis, CA · CSLB #795556 · as of October 8, 2026
    Active · clear
17. Green Tech A/c INC

    Woodland Hills, CA · CSLB #1001732 · as of October 8, 2026
    Active · clear
18. Greentech Air Solution

    San Jose, CA · CSLB #1075314 · as of October 8, 2026
    Active · clear
19. Green Technology Heating And Air

    Lynwood, CA · CSLB #1146169 · as of October 8, 2026
    Active · clear
20. Green Valley Air Heating & Air Conditioning INC

    French Camp, CA · CSLB #1024486 · as of October 8, 2026
    Active · clear
21. Greenvox Corporation

    Burbank, CA · CSLB #908145 · as of October 8, 2026
    Active · clear
22. Ald Project Corporation DBA Greenway Heating & Cooling

    Winnetka, CA · CSLB #1063692 · as of October 8, 2026
    Active · clear
23. Greenwood Enterprises

    Oakhurst, CA · CSLB #807777 · as of October 8, 2026
    Active · clear
24. Green Zone Experts

    Victorville, CA · CSLB #353951 · as of October 8, 2026
    Active · clear
25. Greer Mechanical INC

    Granite Bay, CA · CSLB #955161 · as of October 8, 2026
    Active · clear
26. Greg's Heating & Ac INC

    Orland, CA · CSLB #1081892 · as of October 8, 2026
    Active · clear
27. Grigg Air

    Fair Oaks, CA · CSLB #554906 · as of October 8, 2026
    Active · clear
28. Griggs And Company HVAC INC

    Roseville, CA · CSLB #1110874 · as of October 8, 2026
    Active · clear
29. Dmitry Grigoryev

    Winnetka, CA · CSLB #1024324 · as of October 8, 2026
    Active · clear
30. Grisler Air Conditioning & Heating

    Rancho Cordova, CA · CSLB #614626 · as of October 8, 2026
    Active · clear
31. Grizzly Heating & Air

    Lodi, CA · CSLB #1011141 · as of October 8, 2026
    Active · clear
32. Grogan Mechanical INC

    Bakersfield, CA · CSLB #1028501 · as of October 8, 2026
    Active · clear
33. Gregory Retzepis DBA GR Plumbing & Heating

    Duarte, CA · CSLB #492976 · as of October 8, 2026
    Active · clear
34. Gruen-aire INC

    Lancaster, CA · CSLB #260046 · as of October 8, 2026
    Active · clear
35. Grumman/butkus Associates

    Evanston, CA · CSLB #1076620 · as of October 8, 2026
    Active · clear
36. Grumpy's HVAC

    Sunnyvale, CA · CSLB #1079386 · as of October 8, 2026
    Active · clear
37. Grupe HVAC

    Petaluma, CA · CSLB #1076376 · as of October 8, 2026
    Active · clear
38. G S Heating & Air Conditioning INC

    Glendale, CA · CSLB #1009115 · as of October 8, 2026
    Active · clear
39. G'S Mechanical

    Patterson, CA · CSLB #1117978 · as of October 8, 2026
    Active · clear
40. GSW Heating And Air

    Nice, CA · CSLB #1122268 · as of October 8, 2026
    Active · clear
41. G T Heating & Air Conditioning

    San Fernando, CA · CSLB #1041439 · as of October 8, 2026
    Active · clear
42. G T K Heating And Cooling

    Valley Village, CA · CSLB #692493 · as of October 8, 2026
    Active · clear
43. Guaranteed Air INC

    Anaheim, CA · CSLB #997377 · as of October 8, 2026
    Active · clear
44. Guardian Air

    Tulare, CA · CSLB #1087205 · as of October 8, 2026
    Active · clear
45. Guardian Heating And Air

    Rio Linda, CA · CSLB #858161 · as of October 8, 2026
    Active · clear
46. Federico Guerrero

    Long Beach, CA · CSLB #1019911 · as of October 8, 2026
    Active · clear
47. Oscar Guerrero

    Tustin, CA · CSLB #875215 · as of October 8, 2026
    Active · clear
48. Guerrero's Heating & Air Conditioning

    Stockton, CA · CSLB #1062959 · as of October 8, 2026
    Active · clear
49. Guido's Service

    Vallejo, CA · CSLB #892930 · as of October 8, 2026
    Active · clear
50. Gundlach's

    Bakersfield, CA · CSLB #1095655 · as of October 8, 2026
    Active · clear
51. Gunnys Heating And Air

    Perris, CA · CSLB #1082645 · as of October 8, 2026
    Active · clear
52. David Gutierrez

    Gardnerville, CA · CSLB #741991 · as of October 8, 2026
    Active · clear
53. Gabriel Gutierrez Iii

    Palmdale, CA · CSLB #1117695 · as of October 8, 2026
    Active · clear
54. Gutierrez Heating & Air

    Encino, CA · CSLB #554246 · as of October 8, 2026
    Active · clear
55. Gutzke Mechanical

    Placerville, CA · CSLB #788334 · as of October 8, 2026
    Active · clear
56. Guy Plumbing & Heating INC

    Menlo Park, CA · CSLB #330785 · as of October 8, 2026
    Active · clear
57. Guy's Heating Air Conditioning And Sheetmetal

    Gilroy, CA · CSLB #654963 · as of October 8, 2026
    Active · clear
58. Guy's Heating & Air Conditioning INC

    West Covina, CA · CSLB #1003750 · as of October 8, 2026
    Active · clear
59. GV Air Mechanical

    Salinas, CA · CSLB #1127325 · as of October 8, 2026
    Active · clear
60. GVK Heating And Air INC

    Poway, CA · CSLB #911659 · 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.