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 4,141–4,200 of 8,936 contractors

1. HG Heating & Air

   Santa Ana, CA · CSLB #1072565 · as of October 8, 2026
   Active · clear
2. HH Heating And Air Conditioning

   San Jose, CA · CSLB #1094569 · as of October 8, 2026
   Active · clear
3. H & H Heating And Air Conditioning Services INC

   San Jose, CA · CSLB #890399 · as of October 8, 2026
   Active · clear
4. H & H Heating And Cooling

   Garden Grove, CA · CSLB #1157911 · as of October 8, 2026
   Active · clear
5. H HVAC Services

   San Jose, CA · CSLB #1088559 · as of October 8, 2026
   Active · clear
6. Hiatt Heating & Air Conditioning INC

   La Verne, CA · CSLB #410864 · as of October 8, 2026
   Active · clear
7. Hicken Air LLC

   Gilbert, CA · CSLB #1101076 · as of October 8, 2026
   Active · clear
8. Hidden Valley Air Conditioning And Heating INC

   Fallbrook, CA · CSLB #1146379 · as of October 8, 2026
   Active · clear
9. Hi Desert Air INC

   Yucca Valley, CA · CSLB #690899 · as of October 8, 2026
   Active · clear
10. High Altitude Heating & Air

    South Lake Tahoe, CA · CSLB #902020 · as of October 8, 2026
    Active · clear
11. High Class HVAC INC

    Van Nuys, CA · CSLB #1157103 · as of October 8, 2026
    Active · clear
12. High Desert Air Ductor INC

    Ridgecrest, CA · CSLB #879632 · as of October 8, 2026
    Active · clear
13. High Desert Refrigeration & Heating

    Barstow, CA · CSLB #785511 · as of October 8, 2026
    Active · clear
14. Highland Air LLC

    Oak Park, CA · CSLB #1072783 · as of October 8, 2026
    Active · clear
15. Highland Heating And Air INC

    Highland, CA · CSLB #1152616 · as of October 8, 2026
    Active · clear
16. High Limit Heating & Cooling INC

    Oxnard, CA · CSLB #1119840 · as of October 8, 2026
    Active · clear
17. High Noon Air

    Diamond Bar, CA · CSLB #1085441 · as of October 8, 2026
    Active · clear
18. High Performance Air INC

    Riverside, CA · CSLB #820042 · as of October 8, 2026
    Active · clear
19. High Performance Heating & Air

    Concord, CA · CSLB #821099 · as of October 8, 2026
    Active · clear
20. High Performance Heating & Air Conditioning INC

    Oxnard, CA · CSLB #1041151 · as of October 8, 2026
    Active · clear
21. High Performance Heating And Air

    Antelope, CA · CSLB #931951 · as of October 8, 2026
    Active · clear
22. High Performance Heating And Air Conditioning

    Orange, CA · CSLB #960680 · as of October 8, 2026
    Active · clear
23. High Quality Hce

    Rowland Heights, CA · CSLB #1002825 · as of October 8, 2026
    Active · clear
24. High Side HVAC

    Irvine, CA · CSLB #1139385 · as of October 8, 2026
    Active · clear
25. Hightechair

    Glendale, CA · CSLB #1049823 · as of October 8, 2026
    Active · clear
26. High Tech HVAC

    Murrieta, CA · CSLB #1112220 · as of October 8, 2026
    Active · clear
27. High Tech HVAC INC

    Glendale, CA · CSLB #1092302 · as of October 8, 2026
    Active · clear
28. High Tech Plumbing

    Concord, CA · CSLB #1021954 · as of October 8, 2026
    Active · clear
29. High Velocity Air INC

    Beaumont, CA · CSLB #1011536 · as of October 8, 2026
    Active · clear
30. Hi-hvac LLC

    Richmond, CA · CSLB #1154975 · as of October 8, 2026
    Active · clear
31. Baraa Badie Hillawi

    El Cajon, CA · CSLB #924657 · as of October 8, 2026
    Active · clear
32. Hills Air Conditioning And Heating

    Riverside, CA · CSLB #1039788 · as of October 8, 2026
    Active · clear
33. Hillside Heating & Air Conditioning INC

    Riverside, CA · CSLB #579091 · as of October 8, 2026
    Active · clear
34. Hilo Aire INC

    Valencia, CA · CSLB #1086508 · as of October 8, 2026
    Active · clear
35. Hilo Heating & Air Conditioning LLC

    Anaheim, CA · CSLB #1155955 · as of October 8, 2026
    Active · clear
36. Hilton Creek Heating & Cooling INC

    Crowley Lake, CA · CSLB #1079943 · as of October 8, 2026
    Active · clear
37. Hinojoza Plumbing INC

    Valley Center, CA · CSLB #1044248 · as of October 8, 2026
    Active · clear
38. Hi Tech Air Solutions

    Sun Valley, CA · CSLB #1094855 · as of October 8, 2026
    Active · clear
39. Hi Tech Environmental Heating & Air

    Discovery Bay, CA · CSLB #1049623 · as of October 8, 2026
    Active · clear
40. Hi-tech Heating And Cooling

    Antioch, CA · CSLB #1139279 · as of October 8, 2026
    Active · clear
41. Hi - Tech Mechanical Contractors INC

    Newcastle, CA · CSLB #713173 · as of October 8, 2026
    Active · clear
42. Hi-tek Mechanical

    Irvine, CA · CSLB #1079933 · as of October 8, 2026
    Active · clear
43. Hje Heating & Air Conditioning INC

    Winnetka, CA · CSLB #1129892 · as of October 8, 2026
    Active · clear
44. H J Western INC

    West Covina, CA · CSLB #989946 · as of October 8, 2026
    Active · clear
45. HK Cooling And Heating

    Porter Ranch, CA · CSLB #1159192 · as of October 8, 2026
    Active · clear
46. HL Air Conditioning INC

    Oak Hills, CA · CSLB #1038593 · as of October 8, 2026
    Active · clear
47. HL Mechanical INC

    Sacramento, CA · CSLB #1066052 · as of October 8, 2026
    Active · clear
48. H M A Heating & Cooling

    Milpitas, CA · CSLB #977348 · as of October 8, 2026
    Active · clear
49. HMC Air Systems

    Murrieta, CA · CSLB #1052217 · as of October 8, 2026
    Active · clear
50. HMS Air Conditioning INC

    Pleasanton, CA · CSLB #738988 · as of October 8, 2026
    Active · clear
51. HN Heating And Air Conditioning

    Shafter, CA · CSLB #1106808 · as of October 8, 2026
    Active · clear
52. HN Heating And Cooling

    Roseville, CA · CSLB #1111459 · as of October 8, 2026
    Active · clear
53. Hoang Heating And Air Conditioning

    Fountain Valley, CA · CSLB #1080106 · as of October 8, 2026
    Active · clear
54. Charles Hoffman

    Los Angeles, CA · CSLB #1098492 · as of October 8, 2026
    Active · clear
55. Keith Hoffman

    Huntington Beach, CA · CSLB #1025450 · as of October 8, 2026
    Active · clear
56. Hoffman Mechanical Services INC

    Bellflower, CA · CSLB #829356 · as of October 8, 2026
    Active · clear
57. Holders Air Conditioning & Heating INC

    Bakersfield, CA · CSLB #843535 · as of October 8, 2026
    Active · clear
58. Holloway Air Systems

    Riverside, CA · CSLB #941588 · as of October 8, 2026
    Active · clear
59. Holt Heating And Air LLC

    Chico, CA · CSLB #989631 · as of October 8, 2026
    Active · clear
60. Holtz Heating & Air

    Citrus Heights, CA · CSLB #1064319 · 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.