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 4,021–4,080 of 8,936 contractors

1. Scott Harrison Plumbing And Heating INC

   Garden Grove, CA · CSLB #481190 · as of October 8, 2026
   Active · clear
2. S & B Harris Heating & Air INC

   Valley Springs, CA · CSLB #1064857 · as of October 8, 2026
   Active · clear
3. Harry Clark Heating & Air Conditioning INC

   Oakland, CA · CSLB #1056105 · as of October 8, 2026
   Active · clear
4. Harrys Heating & Cooling

   Fresno, CA · CSLB #1136785 · as of October 8, 2026
   Active · clear
5. M H Hart Plumbing Heating & Air Conditioning INC

   Pasadena, CA · CSLB #798223 · as of October 8, 2026
   Active · clear
6. John D Hartvickson

   Concord, CA · CSLB #409642 · as of October 8, 2026
   Active · clear
7. Harvey's Heating And Air

   Orange, CA · CSLB #913677 · as of October 8, 2026
   Active · clear
8. Ha's Air Conditioning Services

   Panorama City, CA · CSLB #732741 · as of October 8, 2026
   Active · clear
9. Hashco Air

   Irvine, CA · CSLB #941125 · as of October 8, 2026
   Active · clear
10. Hasler Refrigeration INC

    Yuma, CA · CSLB #775105 · as of October 8, 2026
    Active · clear
11. Hassinger HVAC

    Prescott Valley, CA · CSLB #1132103 · as of October 8, 2026
    Active · clear
12. Hauser Heating And Air

    Modesto, CA · CSLB #1161809 · as of October 8, 2026
    Active · clear
13. Havana Heating And Air

    Escondido, CA · CSLB #1157859 · as of October 8, 2026
    Active · clear
14. Haven Air Conditioning

    Orange, CA · CSLB #748387 · as of October 8, 2026
    Active · clear
15. Hawaiian Air

    Fullerton, CA · CSLB #299279 · as of October 8, 2026
    Active · clear
16. Hawes Heating & Air Conditioning

    Davis, CA · CSLB #606836 · as of October 8, 2026
    Active · clear
17. Hay-cool HVAC INC

    Glendale, CA · CSLB #1101079 · as of October 8, 2026
    Active · clear
18. Hayman Refrigeration & Air Conditioning

    Windsor, CA · CSLB #913517 · as of October 8, 2026
    Active · clear
19. Don Hays Heating & Air Conditioning

    Redding, CA · CSLB #1073866 · as of October 8, 2026
    Active · clear
20. HB A C Specialties

    Riverside, CA · CSLB #460500 · as of October 8, 2026
    Active · clear
21. H B Heating And Cooling

    Barstow, CA · CSLB #1100837 · as of October 8, 2026
    Active · clear
22. HB Mechanical

    Whittier, CA · CSLB #1091795 · as of October 8, 2026
    Active · clear
23. H & B Mechanical INC

    Hesperia, CA · CSLB #792808 · as of October 8, 2026
    Active · clear
24. H&B Refrigeration & Heating INC

    Barstow, CA · CSLB #716804 · as of October 8, 2026
    Active · clear
25. HC Air INC

    Eastvale, CA · CSLB #1093364 · as of October 8, 2026
    Active · clear
26. HC Air System INC

    Sun Valley, CA · CSLB #1005782 · as of October 8, 2026
    Active · clear
27. H & C Air Systems

    Glendale, CA · CSLB #1040395 · as of October 8, 2026
    Active · clear
28. HD Air INC

    Clovis, CA · CSLB #1008416 · as of October 8, 2026
    Active · clear
29. H D Ez - Air INC

    Hayward, CA · CSLB #974381 · as of October 8, 2026
    Active · clear
30. HD - Heating & Air

    Lancaster, CA · CSLB #1077431 · as of October 8, 2026
    Active · clear
31. H & D Heating And Air Conditioning Services

    West Sacramento, CA · CSLB #1090137 · as of October 8, 2026
    Active · clear
32. HD Mechanical INC

    Buena Park, CA · CSLB #1094219 · as of October 8, 2026
    Active · clear
33. Scott Heady Ac HTG & Plmgb

    Riverside, CA · CSLB #813879 · as of October 8, 2026
    Active · clear
34. Heald Mechanical

    Sacramento, CA · CSLB #607590 · as of October 8, 2026
    Active · clear
35. Healing Comfort Heating Air & Plumbing

    Sonoma, CA · CSLB #1075338 · as of October 8, 2026
    Active · clear
36. Healthy Air

    Ceres, CA · CSLB #899548 · as of October 8, 2026
    Active · clear
37. Healthy Duct Cleaning

    Daly City, CA · CSLB #1007238 · as of October 8, 2026
    Active · clear
38. Heat And Air Solutions INC

    Applegate, CA · CSLB #1133607 · as of October 8, 2026
    Active · clear
39. Heat And Cool Air Zone INC

    Beverly Hills, CA · CSLB #904435 · as of October 8, 2026
    Active · clear
40. Heat & Cool Care INC

    Woodland Hills, CA · CSLB #844141 · as of October 8, 2026
    Active · clear
41. Heat & Cool Connections

    Reseda, CA · CSLB #1057494 · as of October 8, 2026
    Active · clear
42. Heatcool Systems

    Lakewood, CA · CSLB #1155106 · as of October 8, 2026
    Active · clear
43. Heater Man Heating And Air

    Woodbridge, CA · CSLB #825795 · as of October 8, 2026
    Active · clear
44. Heaters Up Ac's Down

    Chula Vista, CA · CSLB #1142393 · as of October 8, 2026
    Active · clear
45. Heating & Ac Weather Engineer

    Lomita, CA · CSLB #1079747 · as of October 8, 2026
    Active · clear
46. Heating & Air Conditioning

    Morgan Hill, CA · CSLB #1116445 · as of October 8, 2026
    Active · clear
47. Heating & Airflow INC

    Manteca, CA · CSLB #997986 · as of October 8, 2026
    Active · clear
48. Heating & Air Solutions INC

    Moreno Valley, CA · CSLB #1091776 · as of October 8, 2026
    Active · clear
49. Heating Alternatives

    Los Angeles, CA · CSLB #997626 · as of October 8, 2026
    Active · clear
50. Heating And Air

    Woodland, CA · CSLB #1011727 · as of October 8, 2026
    Active · clear
51. Heating And Air 365

    Hemet, CA · CSLB #1080325 · as of October 8, 2026
    Active · clear
52. Heating And Air Design

    Stockton, CA · CSLB #976200 · as of October 8, 2026
    Active · clear
53. Heating And Air Experts LLC

    Fremont, CA · CSLB #1111796 · as of October 8, 2026
    Active · clear
54. Heating And Cooling Matters LLC

    Riverside, CA · CSLB #1137714 · as of October 8, 2026
    Active · clear
55. Heating & Cooling

    Morro Bay, CA · CSLB #351959 · as of October 8, 2026
    Active · clear
56. Heating & Cooling Aid

    National City, CA · CSLB #1055558 · as of October 8, 2026
    Active · clear
57. Heating Cooling & Appliance Technique INC

    San Jose, CA · CSLB #955889 · as of October 8, 2026
    Active · clear
58. Heating,cooling Electric

    Castaic, CA · CSLB #1047448 · as of October 8, 2026
    Active · clear
59. Heating-cooling Service CO

    Grass Valley, CA · CSLB #392947 · as of October 8, 2026
    Active · clear
60. Heating & Cooling Solution

    Vacaville, CA · CSLB #1054083 · 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.