Licensed Heating & Air Conditioning (C-20) contractors in Rancho Cucamonga, CA

The California Contractors State License Board (CSLB) lists 61 Heating & Air Conditioning (C-20) contractors in Rancho Cucamonga, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

Showing 1–60 of 61 contractors

1. 4 S Air INC

   Rancho Cucamonga, CA · CSLB #931194 · as of October 6, 2026
   Active · clear
2. A + Air Corp

   Rancho Cucamonga, CA · CSLB #803450 · as of October 6, 2026
   Active · clear
3. Accurate Heating And Air Conditioning LLC

   Rancho Cucamonga, CA · CSLB #1008392 · as of October 6, 2026
   Active · clear
4. Advanced Comfort Mechanical

   Rancho Cucamonga, CA · CSLB #1105767 · as of October 6, 2026
   Active · clear
5. Afm HVAC

   Rancho Cucamonga, CA · CSLB #811183 · as of October 6, 2026
   Active · clear
6. Air Conditioning Engineering INC

   Rancho Cucamonga, CA · CSLB #236962 · as of October 6, 2026
   Active · clear
7. Air Conditioning & Heating Service Master

   Rancho Cucamonga, CA · CSLB #1049756 · as of October 6, 2026
   Active · clear
8. Air Controlled Environments

   Rancho Cucamonga, CA · CSLB #960569 · as of October 6, 2026
   Active · clear
9. Air Dyne Mechanical

   Rancho Cucamonga, CA · CSLB #645326 · as of October 6, 2026
   Active · clear
10. Aire Serv Of Upland-north Rancho Cucamonga

    Rancho Cucamonga, CA · CSLB #1155217 · as of October 6, 2026
    Active · clear
11. Airestream Mechanical INC

    Rancho Cucamonga, CA · CSLB #960348 · as of October 6, 2026
    Active · clear
12. Air Management Industries Incorporated

    Rancho Cucamonga, CA · CSLB #783245 · as of October 6, 2026
    Active · clear
13. Air There

    Rancho Cucamonga, CA · CSLB #942851 · as of October 6, 2026
    Active · clear
14. All Pro Refrigeration INC

    Rancho Cucamonga, CA · CSLB #1038018 · as of October 6, 2026
    Active · clear
15. Alta Rancho Air - Conditioning & Heating CO

    Rancho Cucamonga, CA · CSLB #842084 · as of October 6, 2026
    Active · clear
16. Asc Mechanical INC

    Rancho Cucamonga, CA · CSLB #1144103 · as of October 6, 2026
    Active · clear
17. Bayside Heating & Air Cond

    Rancho Cucamonga, CA · CSLB #917640 · as of October 6, 2026
    Active · clear
18. Belushi Pro Services INC

    Rancho Cucamonga, CA · CSLB #1158499 · as of October 6, 2026
    Active · clear
19. Bill's Heating & Air Conditioning

    Rancho Cucamonga, CA · CSLB #920036 · as of October 6, 2026
    Active · clear
20. Bluesky Mechanical Heating & Air Conditioning

    Rancho Cucamonga, CA · CSLB #1141587 · as of October 6, 2026
    Active · clear
21. California Air Power

    Rancho Cucamonga, CA · CSLB #836697 · as of October 6, 2026
    Active · clear
22. Central Air Services INC

    Rancho Cucamonga, CA · CSLB #1027319 · as of October 6, 2026
    Active · clear
23. Comfort Temp

    Rancho Cucamonga, CA · CSLB #737252 · as of October 6, 2026
    Active · clear
24. Doair INC

    Rancho Cucamonga, CA · CSLB #1104424 · as of October 6, 2026
    Active · clear
25. Dunn Plumbing Heating & Air Conditioning INC

    Rancho Cucamonga, CA · CSLB #712182 · as of October 6, 2026
    Active · clear
26. Gomez Air Conditioning LLC

    Rancho Cucamonga, CA · CSLB #1021629 · as of October 6, 2026
    Active · clear
27. Hagen Heating & Air

    Rancho Cucamonga, CA · CSLB #746913 · as of October 6, 2026
    Active · clear
28. J&e Facilities Repairs INC DBA HVAC

    Rancho Cucamonga, CA · CSLB #1093346 · as of October 6, 2026
    Active · clear
29. Ideal Comfort Heating & Cooling Corporation

    Rancho Cucamonga, CA · CSLB #448740 · as of October 6, 2026
    Active · clear
30. JGL Mechanical INC

    Rancho Cucamonga, CA · CSLB #1090635 · as of October 6, 2026
    Active · clear
31. L & M HVAC

    Rancho Cucamonga, CA · CSLB #1095071 · as of October 6, 2026
    Active · clear
32. Maxair HVAC

    Rancho Cucamonga, CA · CSLB #953623 · as of October 6, 2026
    Active · clear
33. Orange County Air Services

    Rancho Cucamonga, CA · CSLB #929240 · as of October 6, 2026
    Active · clear
34. Patriot Energy HVAC

    Rancho Cucamonga, CA · CSLB #792826 · as of October 6, 2026
    Active · clear
35. Performance Air Mechanical INC

    Rancho Cucamonga, CA · CSLB #1159233 · as of October 6, 2026
    Active · clear
36. Premier Comfort Experts

    Rancho Cucamonga, CA · CSLB #1037739 · as of October 6, 2026
    Active · clear
37. Premier Service Group Enterprise INC

    Rancho Cucamonga, CA · CSLB #975801 · as of October 6, 2026
    Active · clear
38. Punk Rock Plumbing Services

    Rancho Cucamonga, CA · CSLB #842826 · as of October 6, 2026
    Active · clear
39. RB Mechanical Services

    Rancho Cucamonga, CA · CSLB #1126247 · as of October 6, 2026
    Active · clear
40. RC Air LLC

    Rancho Cucamonga, CA · CSLB #445508 · as of October 6, 2026
    Active · clear
41. Rca Mechanical

    Rancho Cucamonga, CA · CSLB #1134658 · as of October 6, 2026
    Active · clear
42. RDM Air INC

    Rancho Cucamonga, CA · CSLB #1078895 · as of October 6, 2026
    Active · clear
43. Re HVAC Services

    Rancho Cucamonga, CA · CSLB #1088141 · as of October 6, 2026
    Active · clear
44. Reliant HVAC Service LLC

    Rancho Cucamonga, CA · CSLB #1128801 · as of October 6, 2026
    Active · clear
45. Savannah Mechanical

    Rancho Cucamonga, CA · CSLB #926067 · as of October 6, 2026
    Active · clear
46. Shenouda Henes

    Rancho Cucamonga, CA · CSLB #1156738 · as of October 6, 2026
    Active · clear
47. Skidco Air

    Rancho Cucamonga, CA · CSLB #972571 · as of October 6, 2026
    Active · clear
48. Snowflake Refrigeration Services INC DBA Snowflake HVAC Services

    Rancho Cucamonga, CA · CSLB #1060652 · as of October 6, 2026
    Active · clear
49. Solis Mechanical Services

    Rancho Cucamonga, CA · CSLB #1018377 · as of October 6, 2026
    Active · clear
50. Sonwest Air Conditioning INC

    Rancho Cucamonga, CA · CSLB #486917 · as of October 6, 2026
    Active · clear
51. Specialize Home Services Heating & Air Conditioning INC

    Rancho Cucamonga, CA · CSLB #1143630 · as of October 6, 2026
    Active · clear
52. Camarin Stone

    Rancho Cucamonga, CA · CSLB #1101818 · as of October 6, 2026
    Active · clear
53. Straight Forward Heating And Air

    Rancho Cucamonga, CA · CSLB #1036170 · as of October 6, 2026
    Active · clear
54. Supreme Comfort Heating & Air INC

    Rancho Cucamonga, CA · CSLB #1145280 · as of October 6, 2026
    Active · clear
55. T D I Refrigeration

    Rancho Cucamonga, CA · CSLB #764435 · as of October 6, 2026
    Active · clear
56. Universal Air Conditioning & Heating

    Rancho Cucamonga, CA · CSLB #1022509 · as of October 6, 2026
    Active · clear
57. Williams A/c Service

    Rancho Cucamonga, CA · CSLB #1065744 · as of October 6, 2026
    Active · clear
58. Air Temperatures Controlled International

    Rancho Cucamonga, CA · CSLB #824159 · as of October 6, 2026
    Suspended · bond
59. One HVAC SYS CO

    Rancho Cucamonga, CA · CSLB #1133731 · as of October 6, 2026
    Suspended · workers' comp
60. Swell Mechanical Engineering INC

    Rancho Cucamonga, CA · CSLB #1056096 · as of October 6, 2026
    Suspended · workers' comp

See all Heating & Air Conditioning (C-20) contractors in California →

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.