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

The California Contractors State License Board (CSLB) lists 8,930 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 July 3, 2026.

Showing 7,501–7,560 of 8,930 contractors

1. Steckler Heating And Air

   Hemet, CA · CSLB #1058346 · as of July 3, 2026
   Active · clear
2. W G Steele

   Lompoc, CA · CSLB #680802 · as of July 3, 2026
   Active · clear
3. Steffen Heating & Air Conditioning

   Indio, CA · CSLB #781060 · as of July 3, 2026
   Active · clear
4. Steffen's H V A C Services

   Colfax, CA · CSLB #996976 · as of July 3, 2026
   Active · clear
5. Stegui Heating And A/c

   Santa Ana, CA · CSLB #1116093 · as of July 3, 2026
   Active · clear
6. Stellar Thermal Solutions

   Carmichael, CA · CSLB #1125757 · as of July 3, 2026
   Active · clear
7. Steve Stelters H V A C Service

   Redding, CA · CSLB #1030166 · as of July 3, 2026
   Active · clear
8. Stepan's A / C & Heating Services

   North Hollywood, CA · CSLB #906185 · as of July 3, 2026
   Active · clear
9. Stephan's Home Comfort Services

   Garden Grove, CA · CSLB #658149 · as of July 3, 2026
   Active · clear
10. Stephens Plumbing & Heating INC

    San Pedro, CA · CSLB #508377 · as of July 3, 2026
    Active · clear
11. Sterling Air

    Moreno Valley, CA · CSLB #894535 · as of July 3, 2026
    Active · clear
12. Sterling Mechanical

    Oceanside, CA · CSLB #1003161 · as of July 3, 2026
    Active · clear
13. John Stevenson Plumbing & Mechanical INC DBA John Stevenson

    Carlsbad, CA · CSLB #588895 · as of July 3, 2026
    Active · clear
14. Stevenson Mechanical INC

    Oakley, CA · CSLB #783316 · as of July 3, 2026
    Active · clear
15. Stevens Refrigeration INC

    Exeter, CA · CSLB #959882 · as of July 3, 2026
    Active · clear
16. Steve's A/c

    Jurupa Valley, CA · CSLB #899484 · as of July 3, 2026
    Active · clear
17. Steve's Air Conditioning And Heating Corp

    Murrieta, CA · CSLB #1031139 · as of July 3, 2026
    Active · clear
18. Steve's Five Star Service INC

    Upland, CA · CSLB #960861 · as of July 3, 2026
    Active · clear
19. Steve's Heating & Air Conditioning

    Walnut, CA · CSLB #1029672 · as of July 3, 2026
    Active · clear
20. Steve's Heating And Air

    Whittier, CA · CSLB #388776 · as of July 3, 2026
    Active · clear
21. Steves Heating And Air Conditioning

    Upland, CA · CSLB #744873 · as of July 3, 2026
    Active · clear
22. Steve's Heating & Cooling

    Napa, CA · CSLB #612317 · as of July 3, 2026
    Active · clear
23. Steve's Super Cool A/c Services

    Bermuda Dunes, CA · CSLB #759014 · as of July 3, 2026
    Active · clear
24. James R Steward

    Garden Grove, CA · CSLB #1004538 · as of July 3, 2026
    Active · clear
25. Stewart Air Systems

    Irwindale, CA · CSLB #975647 · as of July 3, 2026
    Active · clear
26. Stewart Heating - Air Conditioning

    Moreno Valley, CA · CSLB #974699 · as of July 3, 2026
    Active · clear
27. R O Stewart Plumbing & Heating CO

    Los Angeles, CA · CSLB #186403 · as of July 3, 2026
    Active · clear
28. ST Heating And Air Conditioning

    La Mesa, CA · CSLB #1039239 · as of July 3, 2026
    Active · clear
29. STJ Energy

    Gold River, CA · CSLB #975678 · as of July 3, 2026
    Active · clear
30. ST Louis Heating & Cooling

    Murrieta, CA · CSLB #1101868 · as of July 3, 2026
    Active · clear
31. Mark Stockwell

    Fowler, CA · CSLB #676073 · as of July 3, 2026
    Active · clear
32. Camarin Stone

    Rancho Cucamonga, CA · CSLB #1101818 · as of July 3, 2026
    Active · clear
33. Stone Heating & Air INC

    Central Point, CA · CSLB #1155748 · as of July 3, 2026
    Active · clear
34. Story Heating And Air

    Chico, CA · CSLB #842922 · as of July 3, 2026
    Active · clear
35. Stout Air

    Marysville, CA · CSLB #953822 · as of July 3, 2026
    Active · clear
36. Stout's Heating & Ac

    Santa Rosa, CA · CSLB #1016168 · as of July 3, 2026
    Active · clear
37. Straight Forward Heating And Air

    Rancho Cucamonga, CA · CSLB #1036170 · as of July 3, 2026
    Active · clear
38. Straight Shooter Heating And Air INC

    Santee, CA · CSLB #1106678 · as of July 3, 2026
    Active · clear
39. Strang Heating And Air Conditioning INC

    El Cajon, CA · CSLB #845406 · as of July 3, 2026
    Active · clear
40. Richard Strang JR

    El Cajon, CA · CSLB #520600 · as of July 3, 2026
    Active · clear
41. Strategic Facility Support

    Morgan Hill, CA · CSLB #941813 · as of July 3, 2026
    Active · clear
42. Streamline Air Conditioning & Heating

    Bakersfield, CA · CSLB #1079823 · as of July 3, 2026
    Active · clear
43. Stronghold HVAC

    Jurupa Valley, CA · CSLB #1101225 · as of July 3, 2026
    Active · clear
44. S R Viescas INC DBA Stuart Rose HTG & A C

    Moorpark, CA · CSLB #1054897 · as of July 3, 2026
    Active · clear
45. Stuckert Heating & Sheet Metal INC

    Daly City, CA · CSLB #678733 · as of July 3, 2026
    Active · clear
46. Studio Air Conditioning INC

    Calabasas, CA · CSLB #709348 · as of July 3, 2026
    Active · clear
47. Stumbo Air Conditioning And Heating

    Bakersfield, CA · CSLB #737917 · as of July 3, 2026
    Active · clear
48. Sturges Heating & Air Conditioning

    Long Beach, CA · CSLB #955752 · as of July 3, 2026
    Active · clear
49. S T W HVAC

    Walnut, CA · CSLB #968650 · as of July 3, 2026
    Active · clear
50. Style Crest INC

    Fremont, CA · CSLB #856181 · as of July 3, 2026
    Active · clear
51. Suarez Heating And Air

    Wildomar, CA · CSLB #1124185 · as of July 3, 2026
    Active · clear
52. Suazo's Heating And Air Conditioning

    Covina, CA · CSLB #435707 · as of July 3, 2026
    Active · clear
53. Subcool Heating & Air Conditioning INC

    Desert Hot Springs, CA · CSLB #1140968 · as of July 3, 2026
    Active · clear
54. Subcool INC

    La Crescenta, CA · CSLB #941269 · as of July 3, 2026
    Active · clear
55. Subcooling Heating & Air INC

    Temecula, CA · CSLB #1072513 · as of July 3, 2026
    Active · clear
56. Sublime Air

    Lynwood, CA · CSLB #980875 · as of July 3, 2026
    Active · clear
57. Sublime Air Conditioning And Heating INC

    Indio, CA · CSLB #1130888 · as of July 3, 2026
    Active · clear
58. Subtech HVAC

    Anaheim, CA · CSLB #1103909 · as of July 3, 2026
    Active · clear
59. Sub - Zero Air Conditioning And Heating

    Bakersfield, CA · CSLB #822057 · as of July 3, 2026
    Active · clear
60. Subzero Comfort

    Glendale, CA · CSLB #1156994 · as of July 3, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 3, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.