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

The California Contractors State License Board (CSLB) lists 8,994 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 27, 2026.

Showing 61–120 of 8,994 contractors

1. 72 Degrees

   San Jose, CA · CSLB #874695 · as of June 27, 2026
   Active · clear
2. 72 Degrees HVAC INC

   Menifee, CA · CSLB #1055361 · as of June 27, 2026
   Active · clear
3. 72 Heating & Cooling

   Fresno, CA · CSLB #965707 · as of June 27, 2026
   Active · clear
4. 72 Infinity Heating & Air INC

   San Jose, CA · CSLB #1023090 · as of June 27, 2026
   Active · clear
5. 72 Mechanical Heating And Air Conditioning

   Oxnard, CA · CSLB #1102700 · as of June 27, 2026
   Active · clear
6. 74 Degrees Heating & Air INC

   Lennox, CA · CSLB #1045563 · as of June 27, 2026
   Active · clear
7. 7 Days Heating And A/c INC

   Sacramento, CA · CSLB #880581 · as of June 27, 2026
   Active · clear
8. 7 Two Degry's Air Cond & Heating

   West Hills, CA · CSLB #1114795 · as of June 27, 2026
   Active · clear
9. 805 Mechanical

   Simi Valley, CA · CSLB #918846 · as of June 27, 2026
   Active · clear
10. 831 Heating INC

    Salinas, CA · CSLB #942194 · as of June 27, 2026
    Active · clear
11. 888 HVAC INC

    Sherman Oaks, CA · CSLB #1095549 · as of June 27, 2026
    Active · clear
12. 88 Mechanical INC

    Fresno, CA · CSLB #1046164 · as of June 27, 2026
    Active · clear
13. A100 Percent Guarantee Heating And A/c

    Vacaville, CA · CSLB #1013845 · as of June 27, 2026
    Active · clear
14. A 1 Air Conditioning & Heating

    Tehachapi, CA · CSLB #513140 · as of June 27, 2026
    Active · clear
15. A1 Elite Air Condition INC

    Woodland Hills, CA · CSLB #1022299 · as of June 27, 2026
    Active · clear
16. A-1 Heating And Cooling INC

    San Jose, CA · CSLB #966809 · as of June 27, 2026
    Active · clear
17. A1 HVAC Crew INC

    Whittier, CA · CSLB #1109400 · as of June 27, 2026
    Active · clear
18. A1 Industrial Heating & Cooling

    Los Angeles, CA · CSLB #968144 · as of June 27, 2026
    Active · clear
19. A-1 Ocean Breeze INC

    Canyon Country, CA · CSLB #752344 · as of June 27, 2026
    Active · clear
20. A-1 Plumbing Heating & Air Conditioning Services

    Sherman Oaks, CA · CSLB #949837 · as of June 27, 2026
    Active · clear
21. A-1 Ray's Air Conditioning & Heating

    Fresno, CA · CSLB #786872 · as of June 27, 2026
    Active · clear
22. A1r Kare Pros

    Pacoima, CA · CSLB #1014152 · as of June 27, 2026
    Active · clear
23. A - 1 Service Appliances INC

    Los Angeles, CA · CSLB #924501 · as of June 27, 2026
    Active · clear
24. A - 1 Total Air Care

    Rio Linda, CA · CSLB #559260 · as of June 27, 2026
    Active · clear
25. A2z Affordable Air Services

    Los Banos, CA · CSLB #1125969 · as of June 27, 2026
    Active · clear
26. A2z Hvacr

    Pleasant Hill, CA · CSLB #1092965 · as of June 27, 2026
    Active · clear
27. A 2 Z Refrigeration Company

    Woodland Hills, CA · CSLB #919734 · as of June 27, 2026
    Active · clear
28. A3 Mechanical Systems

    San Jose, CA · CSLB #1040289 · as of June 27, 2026
    Active · clear
29. Aaa Ac & Heating INC

    Sacramento, CA · CSLB #1102027 · as of June 27, 2026
    Active · clear
30. Aaa Arroyo Air Comfort

    Norco, CA · CSLB #700053 · as of June 27, 2026
    Active · clear
31. A A A Electrical Service Group INC

    Northridge, CA · CSLB #974763 · as of June 27, 2026
    Active · clear
32. Aaa Energy Systems INC

    Santa Rosa, CA · CSLB #443118 · as of June 27, 2026
    Active · clear
33. Rando Aaa HVAC INC DBA Aaa Furnace And Air Conditioning CO

    San Jose, CA · CSLB #768871 · as of June 27, 2026
    Active · clear
34. Rick Ballard DBA A A A Plumbing Heating & Air Conditioning

    Redlands, CA · CSLB #670596 · as of June 27, 2026
    Active · clear
35. Aaa Quality Heating And Cooling INC

    Oceanside, CA · CSLB #1111629 · as of June 27, 2026
    Active · clear
36. Aa Atlas Plumbing Heating & Air Conditioning

    Yorba Linda, CA · CSLB #739971 · as of June 27, 2026
    Active · clear
37. Aaces Heating Air Conditioning And Swamp Coolers

    Oak Hills, CA · CSLB #1100622 · as of June 27, 2026
    Active · clear
38. Aace's Heating Air Conditioning & Swamp Coolers

    Oak Hills, CA · CSLB #918978 · as of June 27, 2026
    Active · clear
39. Aac Heating And Air INC

    Garden Grove, CA · CSLB #1053386 · as of June 27, 2026
    Active · clear
40. A & A Climate Controls

    Stockton, CA · CSLB #1154926 · as of June 27, 2026
    Active · clear
41. Aaero Heating & Sheet Metal INC

    Novato, CA · CSLB #278370 · as of June 27, 2026
    Active · clear
42. A A Heating And A/c

    Daly City, CA · CSLB #936969 · as of June 27, 2026
    Active · clear
43. Aa HVAC INC

    Ontario, CA · CSLB #1057513 · as of June 27, 2026
    Active · clear
44. Zimmer Mechanical Company LLC DBA Aairco Air Conditioning And Hea

    La Mesa, CA · CSLB #962065 · as of June 27, 2026
    Active · clear
45. A+ Air Comfort Solutions INC

    Escondido, CA · CSLB #1057942 · as of June 27, 2026
    Active · clear
46. A + Air Conditioning And Heating

    Indio, CA · CSLB #998649 · as of June 27, 2026
    Active · clear
47. A + Air Cooling And Heating

    Visalia, CA · CSLB #868916 · as of June 27, 2026
    Active · clear
48. A + Air Corp

    Rancho Cucamonga, CA · CSLB #803450 · as of June 27, 2026
    Active · clear
49. A Air Heating And Air Conditioning

    El Cajon, CA · CSLB #1085449 · as of June 27, 2026
    Active · clear
50. Larry M Aandahl

    Jurupa Valley, CA · CSLB #504158 · as of June 27, 2026
    Active · clear
51. A And E Heating And Air Conditioning INC

    Yucaipa, CA · CSLB #1076439 · as of June 27, 2026
    Active · clear
52. A And E Heating And Cooling INC

    Tujunga, CA · CSLB #1079568 · as of June 27, 2026
    Active · clear
53. Albert Olalde DBA A And G Air Conditioning Services

    Indio, CA · CSLB #743185 · as of June 27, 2026
    Active · clear
54. A And M Heating And Air Conditioning

    Saugus, CA · CSLB #473693 · as of June 27, 2026
    Active · clear
55. A & A Plumbing

    Sunnyvale, CA · CSLB #801323 · as of June 27, 2026
    Active · clear
56. Aa Pro Heating & Cooling INC

    Stockton, CA · CSLB #1120906 · as of June 27, 2026
    Active · clear
57. A & A Quick Cooling INC

    Los Angeles, CA · CSLB #715736 · as of June 27, 2026
    Active · clear
58. Aard Mechanical INC

    Brea, CA · CSLB #1063808 · as of June 27, 2026
    Active · clear
59. Aa Refrigeration Corp

    La Habra, CA · CSLB #1044192 · as of June 27, 2026
    Active · clear
60. Aarons Air

    Lake Havasu City, CA · CSLB #506347 · as of June 27, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.