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 6,541–6,600 of 8,936 contractors

1. Quality Heating & Cooling INC

   Nevada City, CA · CSLB #840063 · as of October 8, 2026
   Active · clear
2. Quality HVAC Installer

   Chino Hills, CA · CSLB #1126620 · as of October 8, 2026
   Active · clear
3. Quality Indoor Air Heating & Air Conditioning

   Woodland Hills, CA · CSLB #958084 · as of October 8, 2026
   Active · clear
4. Quality Master Heating & Air Conditioning INC

   Burbank, CA · CSLB #1076340 · as of October 8, 2026
   Active · clear
5. Quality Plumbing Heating And Air

   Compton, CA · CSLB #932201 · as of October 8, 2026
   Active · clear
6. Quality Refrigeration Company INC

   Wilmington, CA · CSLB #667341 · as of October 8, 2026
   Active · clear
7. Quality Refrigeration Solutions INC

   Dinuba, CA · CSLB #1082301 · as of October 8, 2026
   Active · clear
8. Quality Sheet Metal & HVAC LLC

   Lincoln, CA · CSLB #1151304 · as of October 8, 2026
   Active · clear
9. Quality Temp HVAC LLC

   West Covina, CA · CSLB #1139374 · as of October 8, 2026
   Active · clear
10. Qualtech Heating & Cooling

    Danville, CA · CSLB #905205 · as of October 8, 2026
    Active · clear
11. Quantum Heating And Air Conditioning INC

    Corona, CA · CSLB #1091256 · as of October 8, 2026
    Active · clear
12. Quantum North America, LLC

    Charlotte, CA · CSLB #1149576 · as of October 8, 2026
    Active · clear
13. Quark Yan La HVAC

    West Covina, CA · CSLB #1143829 · as of October 8, 2026
    Active · clear
14. Queirolo's Heating & Air Conditioning INC

    Stockton, CA · CSLB #863345 · as of October 8, 2026
    Active · clear
15. Quest Heating And Air

    Eastvale, CA · CSLB #1127857 · as of October 8, 2026
    Active · clear
16. Quetzal Air Conditioning & Heater HVAC Control Corp

    Van Nuys, CA · CSLB #1084616 · as of October 8, 2026
    Active · clear
17. Quick Air

    Sacramento, CA · CSLB #1085151 · as of October 8, 2026
    Active · clear
18. Quick And Easy HVAC Services INC

    Palm Desert, CA · CSLB #1114299 · as of October 8, 2026
    Active · clear
19. Quick Fix HVAC Services

    Canyon Country, CA · CSLB #1114311 · as of October 8, 2026
    Active · clear
20. Quickfixpro

    Canoga Park, CA · CSLB #1158221 · as of October 8, 2026
    Active · clear
21. Quick Heating Cooling

    Sunnyvale, CA · CSLB #954931 · as of October 8, 2026
    Active · clear
22. Quick Pros LLC

    Redlands, CA · CSLB #1145987 · as of October 8, 2026
    Active · clear
23. Quiet Comfort LLC

    Long Beach, CA · CSLB #891874 · as of October 8, 2026
    Active · clear
24. Quintana Air Conditioning

    Mecca, CA · CSLB #979519 · as of October 8, 2026
    Active · clear
25. Quinto Heating And Air

    Walnut, CA · CSLB #1082953 · as of October 8, 2026
    Active · clear
26. Q & V Heating And Cooling INC

    Gilroy, CA · CSLB #1161471 · as of October 8, 2026
    Active · clear
27. QZ HVAC Services

    Suwanee, CA · CSLB #1149252 · as of October 8, 2026
    Active · clear
28. R247hvac INC

    North Hills, CA · CSLB #1142763 · as of October 8, 2026
    Active · clear
29. Mel Raab

    Beverly Hills, CA · CSLB #502960 · as of October 8, 2026
    Active · clear
30. Rabboni Mechanical INC

    Union City, CA · CSLB #896131 · as of October 8, 2026
    Active · clear
31. Racco Heating & Air Conditioning

    Santa Clarita, CA · CSLB #779198 · as of October 8, 2026
    Active · clear
32. Race Cooling

    Garden Grove, CA · CSLB #1074577 · as of October 8, 2026
    Active · clear
33. Rachel Evans HVAC

    Descanso, CA · CSLB #1074311 · as of October 8, 2026
    Active · clear
34. Raco Air Conditioning & Heating INC

    Torrance, CA · CSLB #850252 · as of October 8, 2026
    Active · clear
35. Rad Air Care US

    Campbell, CA · CSLB #1134621 · as of October 8, 2026
    Active · clear
36. Rad HVAC INC

    Oak Hills, CA · CSLB #1143426 · as of October 8, 2026
    Active · clear
37. Radiant Air HVAC INC

    Fullerton, CA · CSLB #1073408 · as of October 8, 2026
    Active · clear
38. Rafael's Appliances Air Conditioning And Heating Systems

    Oak Hills, CA · CSLB #936041 · as of October 8, 2026
    Active · clear
39. Adam Scott Ragsdale

    Escalon, CA · CSLB #1037539 · as of October 8, 2026
    Active · clear
40. Ragsdale's Heat & Air LLC

    Escalon, CA · CSLB #1157764 · as of October 8, 2026
    Active · clear
41. Ra Heating & Air INC

    Morgan Hill, CA · CSLB #1108062 · as of October 8, 2026
    Active · clear
42. Rai Mechanical LLC

    Bakersfield, CA · CSLB #1149383 · as of October 8, 2026
    Active · clear
43. Rain Bow Heating & Air INC

    San Dimas, CA · CSLB #613976 · as of October 8, 2026
    Active · clear
44. Raincross Cooling And Heating

    Riverside, CA · CSLB #1058057 · as of October 8, 2026
    Active · clear
45. Rain Heating & Cooling

    Huntington Beach, CA · CSLB #1131579 · as of October 8, 2026
    Active · clear
46. Rainman Heating & Sheet Metal INC

    Monterey, CA · CSLB #770864 · as of October 8, 2026
    Active · clear
47. Ralph's Heating & Air

    Palmdale, CA · CSLB #935069 · as of October 8, 2026
    Active · clear
48. Ram - Aire

    Westlake Village, CA · CSLB #573472 · as of October 8, 2026
    Active · clear
49. Ram Air Engineering INC

    Dana Point, CA · CSLB #470556 · as of October 8, 2026
    Active · clear
50. Masoud Ramezannezhad

    Tustin, CA · CSLB #1112799 · as of October 8, 2026
    Active · clear
51. Rami - Ram Air Condition INC

    Tarzana, CA · CSLB #801809 · as of October 8, 2026
    Active · clear
52. A Ramirez Heating And Plumbing

    Seaside, CA · CSLB #1082509 · as of October 8, 2026
    Active · clear
53. Ramirez HVAC Service

    Visalia, CA · CSLB #1086201 · as of October 8, 2026
    Active · clear
54. Ramirez Ramos HVAC

    Bakersfield, CA · CSLB #1113503 · as of October 8, 2026
    Active · clear
55. Robert Ramirez

    Fresno, CA · CSLB #998489 · as of October 8, 2026
    Active · clear
56. Brian Ramos Heating & Cooling

    Los Angeles, CA · CSLB #1070677 · as of October 8, 2026
    Active · clear
57. Cristian Ramos

    Cathedral City, CA · CSLB #1030971 · as of October 8, 2026
    Active · clear
58. Mario Ramos MJR HVAC Services

    Sylmar, CA · CSLB #1090840 · as of October 8, 2026
    Active · clear
59. Adrian Ramos Ramos

    Lake Elsinore, CA · CSLB #995224 · as of October 8, 2026
    Active · clear
60. Ram Plumbing HTG & Air INC

    Corona, CA · CSLB #899427 · 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.