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 5,761–5,820 of 8,936 contractors

1. Bill Green JR DBA National Chimney

   San Francisco, CA · CSLB #733653 · as of October 8, 2026
   Active · clear
2. National H V A C Services

   Siant Louis, CA · CSLB #997859 · as of October 8, 2026
   Active · clear
3. National Refrigeration Services LLC

   Riverside, CA · CSLB #1111117 · as of October 8, 2026
   Active · clear
4. Native Air Heating & Cooling

   Needles, CA · CSLB #1089306 · as of October 8, 2026
   Active · clear
5. Native Winds Heating & Cooling

   Clovis, CA · CSLB #1026672 · as of October 8, 2026
   Active · clear
6. Natural Air

   Westminster, CA · CSLB #920447 · as of October 8, 2026
   Active · clear
7. Natural Air Systems INC

   West Hills, CA · CSLB #1049880 · as of October 8, 2026
   Active · clear
8. Natural Balance Heating And Air

   Corona, CA · CSLB #1091372 · as of October 8, 2026
   Active · clear
9. Natural Mage Air INC

   El Monte, CA · CSLB #1127839 · as of October 8, 2026
   Active · clear
10. Navarro's Brothers Heating & Air Conditioning

    Riverside, CA · CSLB #1151214 · as of October 8, 2026
    Active · clear
11. Navarro's Heating & Air Conditioning INC

    Laguna Hills, CA · CSLB #1012629 · as of October 8, 2026
    Active · clear
12. Nava's Heating & Cooling

    Banning, CA · CSLB #1133421 · as of October 8, 2026
    Active · clear
13. Nay Heating & Air INC

    Harbor City, CA · CSLB #1135509 · as of October 8, 2026
    Active · clear
14. Nba Engineering INC

    San Francisco, CA · CSLB #654936 · as of October 8, 2026
    Active · clear
15. N & C Heating And Air LLC

    Merced, CA · CSLB #1131364 · as of October 8, 2026
    Active · clear
16. Neal's HVAC Control

    Riverside, CA · CSLB #1145867 · as of October 8, 2026
    Active · clear
17. Nebula Heating & Cooling

    Moreno Valley, CA · CSLB #1127796 · as of October 8, 2026
    Active · clear
18. Neel Heating & Air Conditioning

    Norco, CA · CSLB #941279 · as of October 8, 2026
    Active · clear
19. Neel's Heating & Air

    Elk Grove, CA · CSLB #818228 · as of October 8, 2026
    Active · clear
20. Neighbors Heating And Air LLC

    Red Bluff, CA · CSLB #1120353 · as of October 8, 2026
    Active · clear
21. Neighborz Heating & Air Conditioning

    Coachella, CA · CSLB #1004878 · as of October 8, 2026
    Active · clear
22. Nelson Air

    Yorba Linda, CA · CSLB #895207 · as of October 8, 2026
    Active · clear
23. Nelson Air INC

    Newcastle, CA · CSLB #952294 · as of October 8, 2026
    Active · clear
24. Jeff Nelson Heating & Air Conditioning

    Granada Hills, CA · CSLB #755180 · as of October 8, 2026
    Active · clear
25. Nelson's Heating And Air INC

    Yreka, CA · CSLB #1101366 · as of October 8, 2026
    Active · clear
26. Nema Heating And Cooling INC

    Modesto, CA · CSLB #1146682 · as of October 8, 2026
    Active · clear
27. Neos Air Conditioning & Heating

    San Fernando, CA · CSLB #1080112 · as of October 8, 2026
    Active · clear
28. Nersisyan Arshak

    Van Nuys, CA · CSLB #1109633 · as of October 8, 2026
    Active · clear
29. Nertech Heating & Ac

    Hacienda Heights, CA · CSLB #1129942 · as of October 8, 2026
    Active · clear
30. Nesco Heating And Air Conditioning

    Burlingame, CA · CSLB #892779 · as of October 8, 2026
    Active · clear
31. Nestly Heating And Cooling

    Oakland, CA · CSLB #1158214 · as of October 8, 2026
    Active · clear
32. Net Blue HVAC

    Chino Hills, CA · CSLB #1089508 · as of October 8, 2026
    Active · clear
33. Nevarez Cooling And Heating

    Tracy, CA · CSLB #1162193 · as of October 8, 2026
    Active · clear
34. H Nevarez Heating & Air Conditioning

    Porterville, CA · CSLB #1071164 · as of October 8, 2026
    Active · clear
35. New Age Air Conditioning And Heating INC

    Norco, CA · CSLB #1051571 · as of October 8, 2026
    Active · clear
36. New Age Heating & Cooling

    Fairfield, CA · CSLB #1115768 · as of October 8, 2026
    Active · clear
37. New - Century Air Systems

    Rancho Cordova, CA · CSLB #718740 · as of October 8, 2026
    Active · clear
38. New Century Heating & Cooling INC

    Burbank, CA · CSLB #1044676 · as of October 8, 2026
    Active · clear
39. New Century HVAC INC

    Pasadena, CA · CSLB #1079491 · as of October 8, 2026
    Active · clear
40. New Era Ac Service & Repair

    Taft, CA · CSLB #1037286 · as of October 8, 2026
    Active · clear
41. New Era Air

    Bakersfield, CA · CSLB #1058987 · as of October 8, 2026
    Active · clear
42. New Evolution A / C & Heating INC

    Los Angeles, CA · CSLB #1116789 · as of October 8, 2026
    Active · clear
43. Newkirk's Plumbing

    Sonora, CA · CSLB #1125379 · as of October 8, 2026
    Active · clear
44. New Line Air Systems INC

    Glendale, CA · CSLB #1033936 · as of October 8, 2026
    Active · clear
45. Newman's Heating & Cooling Repair

    Sacramento, CA · CSLB #604632 · as of October 8, 2026
    Active · clear
46. New Power Contracting For Building Mechanicals

    Claremont, CA · CSLB #1100150 · as of October 8, 2026
    Active · clear
47. Nexair Heating & Air INC

    Imperial, CA · CSLB #1158378 · as of October 8, 2026
    Active · clear
48. Next Era Heating & Air Conditioning LLC

    San Bernardino, CA · CSLB #1162322 · as of October 8, 2026
    Active · clear
49. Next Generation Heating & Cooling

    Ukiah, CA · CSLB #1039709 · as of October 8, 2026
    Active · clear
50. Next-gen Heating And Air Corp

    Encinitas, CA · CSLB #1151289 · as of October 8, 2026
    Active · clear
51. Next Level Air Conditioning

    Palm Desert, CA · CSLB #1108975 · as of October 8, 2026
    Active · clear
52. Next Level Air Conditioning And Heating

    Lancaster, CA · CSLB #1096165 · as of October 8, 2026
    Active · clear
53. Next Level Comfort

    Folsom, CA · CSLB #1124175 · as of October 8, 2026
    Active · clear
54. Next Level Heating And Air Conditioning INC

    Santa Rosa, CA · CSLB #991331 · as of October 8, 2026
    Active · clear
55. Next Level H V A C Energy Management Systems

    La Habra, CA · CSLB #1050564 · as of October 8, 2026
    Active · clear
56. Next Level HVAC Solutions INC

    Salinas, CA · CSLB #1052719 · as of October 8, 2026
    Active · clear
57. Next Level Mechanical

    Santa Maria, CA · CSLB #783063 · as of October 8, 2026
    Active · clear
58. Nextphase Heating And Air INC

    Chula Vista, CA · CSLB #1150465 · as of October 8, 2026
    Active · clear
59. Next Service INC

    San Francisco, CA · CSLB #1104111 · as of October 8, 2026
    Active · clear
60. Next Up Heating And Air

    Citrus Heights, CA · CSLB #1160683 · 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.