Licensed Heating & Air Conditioning (C-20) contractors in California

The California Contractors State License Board (CSLB) lists 8,999 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 June 29, 2026.

Showing 2,881–2,940 of 8,999 contractors

1. De Jong Air Conditiong & Heating

   Mission Viejo, CA · CSLB #625188 · as of June 29, 2026
   Active · clear
2. Delacuesta Heating And Air

   Sacramento, CA · CSLB #942518 · as of June 29, 2026
   Active · clear
3. De La Rosa Heating And Cooling

   Littlerock, CA · CSLB #1113388 · as of June 29, 2026
   Active · clear
4. Delcon Heating And Air Conditioning

   Livermore, CA · CSLB #493271 · as of June 29, 2026
   Active · clear
5. Delgadillo Heating & Air Conditioning

   Pacoima, CA · CSLB #980163 · as of June 29, 2026
   Active · clear
6. Delgado's HVAC & Appliance

   San Jose, CA · CSLB #1128720 · as of June 29, 2026
   Active · clear
7. Della-mora Heating And Air Conditioning

   Chula Vista, CA · CSLB #923196 · as of June 29, 2026
   Active · clear
8. Del Mar Mechanical INC

   Redondo Beach, CA · CSLB #833288 · as of June 29, 2026
   Active · clear
9. Del Mechanical

   Chino Hills, CA · CSLB #517424 · as of June 29, 2026
   Active · clear
10. Del Monte Mechanical INC

    Antioch, CA · CSLB #950940 · as of June 29, 2026
    Active · clear
11. Delore Mechanical

    Rohnert Park, CA · CSLB #965845 · as of June 29, 2026
    Active · clear
12. Delta Breeze Air Conditioning And Heating INC

    Sacramento, CA · CSLB #845350 · as of June 29, 2026
    Active · clear
13. Delta Breeze Heating & Air

    Oakley, CA · CSLB #857921 · as of June 29, 2026
    Active · clear
14. Delta Climate Control

    Discovery Bay, CA · CSLB #940106 · as of June 29, 2026
    Active · clear
15. Delta Energy Designs Systems INC

    Alpine, CA · CSLB #326622 · as of June 29, 2026
    Active · clear
16. Delta Gold Heating & Air INC

    Victor, CA · CSLB #987544 · as of June 29, 2026
    Active · clear
17. Delta Heating And Air Conditioning

    Stockton, CA · CSLB #979544 · as of June 29, 2026
    Active · clear
18. Delta Heating & A/c DBA Delta Heating And Cooling

    El Cajon, CA · CSLB #1057671 · as of June 29, 2026
    Active · clear
19. Delta HVAC Services INC

    Sylmar, CA · CSLB #1056182 · as of June 29, 2026
    Active · clear
20. Delta Mechanical

    Concord, CA · CSLB #1149376 · as of June 29, 2026
    Active · clear
21. Delta Mechanical Solutions INC

    Hollister, CA · CSLB #1128575 · as of June 29, 2026
    Active · clear
22. Delta Metal HVAC INC

    San Ardo, CA · CSLB #1066820 · as of June 29, 2026
    Active · clear
23. Delta Plumbing & HVAC INC

    Anaheim, CA · CSLB #1002045 · as of June 29, 2026
    Active · clear
24. Delta Refrigeration Corporation

    City Of Industry, CA · CSLB #940053 · as of June 29, 2026
    Active · clear
25. Delta Sierra Mechanical

    Stockton, CA · CSLB #1085319 · as of June 29, 2026
    Active · clear
26. Delta T HVAC

    Oakley, CA · CSLB #1057378 · as of June 29, 2026
    Active · clear
27. Delta T HVAC INC

    Anaheim, CA · CSLB #1014459 · as of June 29, 2026
    Active · clear
28. Delta T Mechanical

    Folsom, CA · CSLB #1113769 · as of June 29, 2026
    Active · clear
29. Albert Del Toro

    Mission Hills, CA · CSLB #1045343 · as of June 29, 2026
    Active · clear
30. Deluxe Air INC

    Woodland, CA · CSLB #994539 · as of June 29, 2026
    Active · clear
31. Del Valle Air Conditioning And Heating

    Calexico, CA · CSLB #865365 · as of June 29, 2026
    Active · clear
32. Del Valle Heating & Air Conditioning INC

    El Cajon, CA · CSLB #1111030 · as of June 29, 2026
    Active · clear
33. Dena Air

    Granada Hills, CA · CSLB #859038 · as of June 29, 2026
    Active · clear
34. Deneau Cooling & Heating

    Stockton, CA · CSLB #1098493 · as of June 29, 2026
    Active · clear
35. Denneys Heating

    Jackson, CA · CSLB #905967 · as of June 29, 2026
    Active · clear
36. Dennis Furia Heating & Air Conditioning INC

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

    San Francisco, CA · CSLB #1137367 · as of June 29, 2026
    Active · clear
38. Denny's Heating & Air Conditioning LLC

    Napa, CA · CSLB #688217 · as of June 29, 2026
    Active · clear
39. De Ochoa Heating & Air Conditioning

    Tulare, CA · CSLB #1049311 · as of June 29, 2026
    Active · clear
40. Dependable Air Duct & Dryer Vent Cleaning INC

    Carmichael, CA · CSLB #1129515 · as of June 29, 2026
    Active · clear
41. Dependable Cooling & Heating

    Canyon Country, CA · CSLB #1035944 · as of June 29, 2026
    Active · clear
42. Dependable Heating & Air Conditioning

    Dixon, CA · CSLB #337847 · as of June 29, 2026
    Active · clear
43. Dependable HVAC

    Anaheim, CA · CSLB #1081971 · as of June 29, 2026
    Active · clear
44. Dependable Plumber INC

    Moreno Valley, CA · CSLB #1116701 · as of June 29, 2026
    Active · clear
45. The Dependable Group INC DBA Dependable Plumbing

    Poway, CA · CSLB #719678 · as of June 29, 2026
    Active · clear
46. Deporto Heating & Air Conditioning

    Riverside, CA · CSLB #738725 · as of June 29, 2026
    Active · clear
47. Derek NG HVAC

    Monterey Park, CA · CSLB #1152562 · as of June 29, 2026
    Active · clear
48. Dermond Heating & Air Conditioning INC

    Modesto, CA · CSLB #810094 · as of June 29, 2026
    Active · clear
49. Desert Ac Regulators

    Yucca Valley, CA · CSLB #1102307 · as of June 29, 2026
    Active · clear
50. Desert Air Conditioning

    El Centro, CA · CSLB #844592 · as of June 29, 2026
    Active · clear
51. Desert Air Conditioning INC

    Palm Springs, CA · CSLB #276586 · as of June 29, 2026
    Active · clear
52. Desert Air Heating & Cooling INC

    Hesperia, CA · CSLB #1116024 · as of June 29, 2026
    Active · clear
53. Desert Breeze Air Conditioning & Heating

    La Quinta, CA · CSLB #1085034 · as of June 29, 2026
    Active · clear
54. Desert City Heating And Air

    Joshua Tree, CA · CSLB #1056898 · as of June 29, 2026
    Active · clear
55. Desert Climate Control INC

    Thousand Palms, CA · CSLB #983501 · as of June 29, 2026
    Active · clear
56. Desert Comfort Heating And Cooling Corporation

    Cathedral City, CA · CSLB #1005729 · as of June 29, 2026
    Active · clear
57. Desert Cooler Specialist INC

    Cathedral City, CA · CSLB #595145 · as of June 29, 2026
    Active · clear
58. Desert Cooling Systems

    Victorville, CA · CSLB #997478 · as of June 29, 2026
    Active · clear
59. Desert Elite Air Conditioning And Heating

    Thousand Palms, CA · CSLB #1132513 · as of June 29, 2026
    Active · clear
60. Desert Heating And Air Conditioning

    Apple Valley, CA · CSLB #628483 · as of June 29, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 29, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.