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 2,881–2,940 of 8,936 contractors

1. Delore Mechanical

   Rohnert Park, CA · CSLB #965845 · as of October 8, 2026
   Active · clear
2. Delta Breeze Air Conditioning And Heating INC

   Sacramento, CA · CSLB #845350 · as of October 8, 2026
   Active · clear
3. Delta Breeze Heating & Air

   Oakley, CA · CSLB #857921 · as of October 8, 2026
   Active · clear
4. Delta Climate Control

   Discovery Bay, CA · CSLB #940106 · as of October 8, 2026
   Active · clear
5. Delta Energy Designs Systems INC

   Alpine, CA · CSLB #326622 · as of October 8, 2026
   Active · clear
6. Delta Gold Heating & Air INC

   Victor, CA · CSLB #987544 · as of October 8, 2026
   Active · clear
7. Delta Heating And Air Conditioning

   Stockton, CA · CSLB #979544 · as of October 8, 2026
   Active · clear
8. Delta Heating & A/c DBA Delta Heating And Cooling

   El Cajon, CA · CSLB #1057671 · as of October 8, 2026
   Active · clear
9. Delta HVAC Services INC

   Sylmar, CA · CSLB #1056182 · as of October 8, 2026
   Active · clear
10. Delta Mechanical

    Concord, CA · CSLB #1149376 · as of October 8, 2026
    Active · clear
11. Delta Mechanical Solutions INC

    Hollister, CA · CSLB #1128575 · as of October 8, 2026
    Active · clear
12. Delta Metal HVAC INC

    San Ardo, CA · CSLB #1066820 · as of October 8, 2026
    Active · clear
13. Delta Plumbing & HVAC INC

    Anaheim, CA · CSLB #1002045 · as of October 8, 2026
    Active · clear
14. Delta Refrigeration Corporation

    City Of Industry, CA · CSLB #940053 · as of October 8, 2026
    Active · clear
15. Delta Sierra Mechanical

    Stockton, CA · CSLB #1085319 · as of October 8, 2026
    Active · clear
16. Delta Systems Heating & Air Conditioning

    Escondido, CA · CSLB #1162244 · as of October 8, 2026
    Active · clear
17. Delta T HVAC

    Oakley, CA · CSLB #1057378 · as of October 8, 2026
    Active · clear
18. Delta T HVAC INC

    Anaheim, CA · CSLB #1014459 · as of October 8, 2026
    Active · clear
19. Delta T Mechanical

    Folsom, CA · CSLB #1113769 · as of October 8, 2026
    Active · clear
20. Albert Del Toro

    Mission Hills, CA · CSLB #1045343 · as of October 8, 2026
    Active · clear
21. Deluxe Air HVAC

    North Highlands, CA · CSLB #936562 · as of October 8, 2026
    Active · clear
22. Deluxe Air INC

    Woodland, CA · CSLB #994539 · as of October 8, 2026
    Active · clear
23. Del Valle Air Conditioning And Heating

    Calexico, CA · CSLB #865365 · as of October 8, 2026
    Active · clear
24. Del Valle Heating & Air Conditioning INC

    El Cajon, CA · CSLB #1111030 · as of October 8, 2026
    Active · clear
25. Dena Air

    Granada Hills, CA · CSLB #859038 · as of October 8, 2026
    Active · clear
26. Deneau Cooling & Heating

    Stockton, CA · CSLB #1098493 · as of October 8, 2026
    Active · clear
27. Denneys Heating

    Jackson, CA · CSLB #905967 · as of October 8, 2026
    Active · clear
28. Dennis Furia Heating & Air Conditioning INC

    Healdsburg, CA · CSLB #851924 · as of October 8, 2026
    Active · clear
29. Dennis's Heating & Cooling

    San Francisco, CA · CSLB #1137367 · as of October 8, 2026
    Active · clear
30. Denny's Heating & Air Conditioning LLC

    Napa, CA · CSLB #688217 · as of October 8, 2026
    Active · clear
31. De Ochoa Heating & Air Conditioning

    Tulare, CA · CSLB #1049311 · as of October 8, 2026
    Active · clear
32. Dependable Air Duct & Dryer Vent Cleaning INC

    Carmichael, CA · CSLB #1129515 · as of October 8, 2026
    Active · clear
33. Dependable Cooling & Heating

    Canyon Country, CA · CSLB #1035944 · as of October 8, 2026
    Active · clear
34. Dependable Heating & Air Conditioning

    Dixon, CA · CSLB #337847 · as of October 8, 2026
    Active · clear
35. Dependable HVAC

    Anaheim, CA · CSLB #1081971 · as of October 8, 2026
    Active · clear
36. Dependable Plumber INC

    Moreno Valley, CA · CSLB #1116701 · as of October 8, 2026
    Active · clear
37. The Dependable Group INC DBA Dependable Plumbing

    Poway, CA · CSLB #719678 · as of October 8, 2026
    Active · clear
38. Deporto Heating & Air Conditioning

    Riverside, CA · CSLB #738725 · as of October 8, 2026
    Active · clear
39. Derek NG HVAC

    Monterey Park, CA · CSLB #1152562 · as of October 8, 2026
    Active · clear
40. Dermond Heating & Air Conditioning INC

    Modesto, CA · CSLB #810094 · as of October 8, 2026
    Active · clear
41. Desert Ac Regulators

    Yucca Valley, CA · CSLB #1102307 · as of October 8, 2026
    Active · clear
42. Desert Air Conditioning

    El Centro, CA · CSLB #844592 · as of October 8, 2026
    Active · clear
43. Desert Air Conditioning INC

    Palm Springs, CA · CSLB #276586 · as of October 8, 2026
    Active · clear
44. Desert Air Heating & Cooling INC

    Hesperia, CA · CSLB #1116024 · as of October 8, 2026
    Active · clear
45. Desert Breeze Air Conditioning & Heating

    La Quinta, CA · CSLB #1085034 · as of October 8, 2026
    Active · clear
46. Desert City Heating And Air

    Joshua Tree, CA · CSLB #1056898 · as of October 8, 2026
    Active · clear
47. Desert Climate Control INC

    Thousand Palms, CA · CSLB #983501 · as of October 8, 2026
    Active · clear
48. Desert Comfort Heating And Cooling Corporation

    Cathedral City, CA · CSLB #1005729 · as of October 8, 2026
    Active · clear
49. Desert Cooler Specialist INC

    Cathedral City, CA · CSLB #595145 · as of October 8, 2026
    Active · clear
50. Desert Cooling Systems

    Victorville, CA · CSLB #997478 · as of October 8, 2026
    Active · clear
51. Desert Dynamics Ac & Heating

    Yucca Valley, CA · CSLB #1158654 · as of October 8, 2026
    Active · clear
52. Desert Elite Air Conditioning And Heating

    Thousand Palms, CA · CSLB #1132513 · as of October 8, 2026
    Active · clear
53. Desert Heating And Air Conditioning

    Apple Valley, CA · CSLB #628483 · as of October 8, 2026
    Active · clear
54. Desert Lion Air Services INC

    Joshua Tree, CA · CSLB #1114838 · as of October 8, 2026
    Active · clear
55. Desert Living Air Conditioning & Heating

    Indio, CA · CSLB #958602 · as of October 8, 2026
    Active · clear
56. Desert Mechanical INC

    Sylmar, CA · CSLB #913213 · as of October 8, 2026
    Active · clear
57. Desert Oasis Air Conditioning Plumbing And Heating INC

    Palm Desert, CA · CSLB #855144 · as of October 8, 2026
    Active · clear
58. Desert Quality Heating & Air Conditioning

    La Quinta, CA · CSLB #971830 · as of October 8, 2026
    Active · clear
59. Desert Quality Heating & Air Conditioning INC

    Redlands, CA · CSLB #702855 · as of October 8, 2026
    Active · clear
60. Desert Resort Air Conditioning & Heating

    Palm Springs, CA · CSLB #1036644 · 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.