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

The California Contractors State License Board (CSLB) lists 12 Heating & Air Conditioning (C-20) contractors in National City, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 6, 2026.

12 contractors

1. Aircon Climate Solutions INC

   National City, CA · CSLB #1161928 · as of October 6, 2026
   Active · clear
2. All Star A / C

   National City, CA · CSLB #943414 · as of October 6, 2026
   Active · clear
3. Blu Heating And Air

   National City, CA · CSLB #1000747 · as of October 6, 2026
   Active · clear
4. Chill Guy Heating And Cooling

   National City, CA · CSLB #1134300 · as of October 6, 2026
   Active · clear
5. DLG Heating & Air Conditioning Corp

   National City, CA · CSLB #1058447 · as of October 6, 2026
   Active · clear
6. Efficient Air Systems INC

   National City, CA · CSLB #960009 · as of October 6, 2026
   Active · clear
7. Heating & Cooling Aid

   National City, CA · CSLB #1055558 · as of October 6, 2026
   Active · clear
8. Mndz HVAC

   National City, CA · CSLB #1141927 · as of October 6, 2026
   Active · clear
9. On Target Heating & Cooling INC

   National City, CA · CSLB #1020436 · as of October 6, 2026
   Active · clear
10. Alejandro Jesus Sanchez

    National City, CA · CSLB #863203 · as of October 6, 2026
    Active · clear
11. Sloan Brothers INC DBA South Bay Mechanical Services

    National City, CA · CSLB #901161 · as of October 6, 2026
    Active · clear
12. Zro Mechanical INC

    National City, CA · CSLB #1104873 · 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.