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

The California Contractors State License Board (CSLB) lists 11 Heating & Air Conditioning (C-20) contractors in Monrovia, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

11 contractors

1. 4 Seasons HVAC

   Monrovia, CA · CSLB #1033914 · as of October 6, 2026
   Active · clear
2. Ac Tech INC

   Monrovia, CA · CSLB #1095928 · as of October 6, 2026
   Active · clear
3. A & M Heating & Air Conditioning

   Monrovia, CA · CSLB #742975 · as of October 6, 2026
   Active · clear
4. Aryco H V A C

   Monrovia, CA · CSLB #673436 · as of October 6, 2026
   Active · clear
5. Bryant Heating & Air Conditioning

   Monrovia, CA · CSLB #948151 · as of October 6, 2026
   Active · clear
6. Gasperair INC

   Monrovia, CA · CSLB #810216 · as of October 6, 2026
   Active · clear
7. Iwai Cooling And Heating

   Monrovia, CA · CSLB #778839 · as of October 6, 2026
   Active · clear
8. JCR Plumbing INC

   Monrovia, CA · CSLB #1073237 · as of October 6, 2026
   Active · clear
9. Pratt Cooling & Heating INC

   Monrovia, CA · CSLB #715545 · as of October 6, 2026
   Active · clear
10. S H Plumbing Heating & Air Conditioning

    Monrovia, CA · CSLB #707018 · as of October 6, 2026
    Active · clear
11. S J S Heating & A/c

    Monrovia, CA · CSLB #804895 · as of October 6, 2026
    Active · clear

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.