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

The California Contractors State License Board (CSLB) lists 55 Heating & Air Conditioning (C-20) contractors in Concord, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of June 27, 2026.

55 contractors

1. A C Heating & Cooling Service INC

   Concord, CA · CSLB #928075 · as of June 27, 2026
   Active · clear
2. Air Pro HVAC

   Concord, CA · CSLB #855074 · as of June 27, 2026
   Active · clear
3. Air Time Mechanical INC

   Concord, CA · CSLB #736604 · as of June 27, 2026
   Active · clear
4. Ampko Heating And Air Conditioning

   Concord, CA · CSLB #689604 · as of June 27, 2026
   Active · clear
5. Apm Mechanical Heating & Air

   Concord, CA · CSLB #1123485 · as of June 27, 2026
   Active · clear
6. Arctic Refrigeration INC

   Concord, CA · CSLB #322738 · as of June 27, 2026
   Active · clear
7. A S A P Heating & Cooling

   Concord, CA · CSLB #896664 · as of June 27, 2026
   Active · clear
8. Atc Mechanical LLC

   Concord, CA · CSLB #1043760 · as of June 27, 2026
   Active · clear
9. A V R Heating & Cooling Service

   Concord, CA · CSLB #972841 · as of June 27, 2026
   Active · clear
10. Cali HVAC INC

    Concord, CA · CSLB #1087460 · as of June 27, 2026
    Active · clear
11. Classic Heating And Air Conditioning

    Concord, CA · CSLB #960065 · as of June 27, 2026
    Active · clear
12. Clean Air HVAC INC

    Concord, CA · CSLB #829011 · as of June 27, 2026
    Active · clear
13. Compare Heating Air Conditioning And Sheet Metal

    Concord, CA · CSLB #220289 · as of June 27, 2026
    Active · clear
14. Complete Care Heating And Air Conditioning INC

    Concord, CA · CSLB #1088603 · as of June 27, 2026
    Active · clear
15. Contra Costa Climate Control INC

    Concord, CA · CSLB #813250 · as of June 27, 2026
    Active · clear
16. Cooling And Heating Solutions

    Concord, CA · CSLB #1053819 · as of June 27, 2026
    Active · clear
17. Delta Mechanical

    Concord, CA · CSLB #1149376 · as of June 27, 2026
    Active · clear
18. East Bay Heating And Cooling INC

    Concord, CA · CSLB #1055076 · as of June 27, 2026
    Active · clear
19. Ferreira's Heating And Air Conditioning INC

    Concord, CA · CSLB #1031063 · as of June 27, 2026
    Active · clear
20. Five Star HVAC Service

    Concord, CA · CSLB #1145024 · as of June 27, 2026
    Active · clear
21. Gapex INC

    Concord, CA · CSLB #1033596 · as of June 27, 2026
    Active · clear
22. Gardner Mechanical

    Concord, CA · CSLB #1151782 · as of June 27, 2026
    Active · clear
23. Global Comfort Heating & Air

    Concord, CA · CSLB #410905 · as of June 27, 2026
    Active · clear
24. John D Hartvickson

    Concord, CA · CSLB #409642 · as of June 27, 2026
    Active · clear
25. High Performance Heating & Air

    Concord, CA · CSLB #821099 · as of June 27, 2026
    Active · clear
26. High Tech Plumbing

    Concord, CA · CSLB #1021954 · as of June 27, 2026
    Active · clear
27. Hometown Heating And Air Conditioning

    Concord, CA · CSLB #1005143 · as of June 27, 2026
    Active · clear
28. HQR Air INC

    Concord, CA · CSLB #1125372 · as of June 27, 2026
    Active · clear
29. HVAC For Les$ Incorporated

    Concord, CA · CSLB #1038617 · as of June 27, 2026
    Active · clear
30. Infinium Air INC

    Concord, CA · CSLB #995372 · as of June 27, 2026
    Active · clear
31. JC Climate Control Technology's INC

    Concord, CA · CSLB #1050705 · as of June 27, 2026
    Active · clear
32. K & R Heating And Air Conditioning Service

    Concord, CA · CSLB #986374 · as of June 27, 2026
    Active · clear
33. Mechpros Heating And Air Conditioning

    Concord, CA · CSLB #996940 · as of June 27, 2026
    Active · clear
34. Monzo HVAC Consulting INC

    Concord, CA · CSLB #1140108 · as of June 27, 2026
    Active · clear
35. M & S Hvacr Contractors INC

    Concord, CA · CSLB #956647 · as of June 27, 2026
    Active · clear
36. Nickels HVAC

    Concord, CA · CSLB #1144848 · as of June 27, 2026
    Active · clear
37. NWP Heating And Air

    Concord, CA · CSLB #1133687 · as of June 27, 2026
    Active · clear
38. Polar Mechanical INC

    Concord, CA · CSLB #1062744 · as of June 27, 2026
    Active · clear
39. Powell Mechanical INC

    Concord, CA · CSLB #1080625 · as of June 27, 2026
    Active · clear
40. Robert L Dias DBA Rd's Service Contractor

    Concord, CA · CSLB #523223 · as of June 27, 2026
    Active · clear
41. Danny B Meinecke DBA Refreshed Heating & Cooling

    Concord, CA · CSLB #697406 · as of June 27, 2026
    Active · clear
42. Romero's HVAC INC

    Concord, CA · CSLB #709906 · as of June 27, 2026
    Active · clear
43. Sayman Mechanical Systems INC

    Concord, CA · CSLB #1045145 · as of June 27, 2026
    Active · clear
44. Smart Heating And Air Conditioning INC

    Concord, CA · CSLB #1084354 · as of June 27, 2026
    Active · clear
45. Soto H V A C

    Concord, CA · CSLB #888673 · as of June 27, 2026
    Active · clear
46. Swift Certified Mechanical

    Concord, CA · CSLB #717212 · as of June 27, 2026
    Active · clear
47. Thermo H V A C Refrigeration

    Concord, CA · CSLB #1024929 · as of June 27, 2026
    Active · clear
48. Raul Fernando Valderrama

    Concord, CA · CSLB #918778 · as of June 27, 2026
    Active · clear
49. Luis F Vilchez

    Concord, CA · CSLB #879014 · as of June 27, 2026
    Active · clear
50. Voltyx Heating & Air

    Concord, CA · CSLB #1141249 · as of June 27, 2026
    Active · clear
51. Walnut Creek Heating And Air Conditioning

    Concord, CA · CSLB #972682 · as of June 27, 2026
    Active · clear
52. Westec Air Systems CO

    Concord, CA · CSLB #825618 · as of June 27, 2026
    Active · clear
53. ZF Heating & Cooling

    Concord, CA · CSLB #1149602 · as of June 27, 2026
    Active · clear
54. Devil Mountain Mechanical Services

    Concord, CA · CSLB #894957 · as of June 27, 2026
    Suspended
55. K & R Heating And Cooling Service INC

    Concord, CA · CSLB #1148600 · as of June 27, 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 June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.