HVAC contractor (warm-air heating, ventilating and air conditioning)s in San Francisco, CA
102 licenses with the C-20 classification list San Francisco (San Francisco County) as their address with the state, 99 of them active. Active licenses with nothing flagged come first.
- Abco Mechanical Contractors IncC-4 · C-20 · C-38 · #209064 San Francisco · San Francisco County Active
- Agbayani Construction CorporationA · B · C-10 · C-20 +1 · #650472 San Francisco · San Francisco County Active
- Air Perfection Heating & Air Conditioning IncC-20 · #887963 San Francisco · San Francisco County Active
- All-Electric CaliforniaB · C-10 · C-20 · C-36 · #1078011 San Francisco · San Francisco County Active
- Anderson Rowe & Buckley IncC-2 · C-4 · C-16 · C-20 +4 · #91594 San Francisco · San Francisco County Active
- Andy'S MechanicalC-20 · #931264 San Francisco · San Francisco County Active
- Apex Electric & AirA · B · C-10 · C-20 +1 · #825156 San Francisco · San Francisco County Active
- Apex General Builder IncA · B · C-10 · C-16 +2 · #1149317 San Francisco · San Francisco County Active
- Apollo Heating and VentilatingC-20 · #1075227 San Francisco · San Francisco County Active
- Arch Plumbing IncC-10 · C-16 · C-20 · C-36 · #976019 San Francisco · San Francisco County Active
- Aremtech IncA · ASB · B · C-4 +10 · #795570 San Francisco · San Francisco County Active
- Associated Heating of S FC-20 · #486084 San Francisco · San Francisco County Active
- Associated Heating of San Francisco IncC-20 · #1001526 San Francisco · San Francisco County Active
- Astorga Construction IncB · C-10 · C-16 · C-20 +1 · #1008360 San Francisco · San Francisco County Active
- Ayoob & Peery Plumbing Co IncB · C-4 · C-16 · C-20 +1 · #392967 San Francisco · San Francisco County Active
- B D Unique Construction CompanyA · B · C-10 · C-16 +2 · #937060 San Francisco · San Francisco County Active
- Bay Air Heating & CoolingC-20 · #1156059 San Francisco · San Francisco County Active
- Bay Area Pipe & Equipment Inc Dba Bay Area MechanicalC-20 · C-36 · #1075566 San Francisco · San Francisco County Active
- Bill Green Jr Dba National ChimneyC-20 · C-29 · #733653 San Francisco · San Francisco County Active
- Bing'S Heating & Cooling CoC-20 · #651731 San Francisco · San Francisco County Active
- Bon Air ServicesC-20 · #821851 San Francisco · San Francisco County Active
- Building Efficiency IncASB · B · C-10 · C-20 +1 · #947504 San Francisco · San Francisco County Active
- Bullard'S Heating & Air IncB · C-20 · C-36 · #728605 San Francisco · San Francisco County Active
- C R Reichel Engineering Co IncC-4 · C-10 · C-16 · C-20 +3 · #169169 San Francisco · San Francisco County Active
- Claddagh Refrigeration Company IncC-20 · C-38 · #796321 San Francisco · San Francisco County Active
- Clever Heating and CoolingC-20 · #1155494 San Francisco · San Francisco County Active
- Ctw Mechanical IncB · C-20 · #761595 San Francisco · San Francisco County Active
- D & W HVAC IncC-20 · #773400 San Francisco · San Francisco County Active
- Demakas Plumbing & Heating IncC-4 · C-16 · C-20 · C-31 +2 · #349523 San Francisco · San Francisco County Active
- Dennis'S Heating & CoolingC-20 · #1137367 San Francisco · San Francisco County Active
- Dmg Enterprises IncB · C-4 · C-10 · C-20 +1 · #833910 San Francisco · San Francisco County Active
- Dynamics LLCC-20 · #1109407 San Francisco · San Francisco County Active
- E B Gilmore & Sons Mechanical Services IncC-2 · C-4 · C-10 · C-20 +3 · #740278 San Francisco · San Francisco County Active
- Fmp Mechanical LLCC-4 · C-16 · C-20 · C-36 · #1158455 San Francisco · San Francisco County Active
- Gb Heating & Cooling IncC-20 · #995876 San Francisco · San Francisco County Active
- Gb Mechanical HVAC CoC-4 · C-20 · #918728 San Francisco · San Francisco County Active
- Gorsneg ConstructionA · B · C-10 · C-20 +1 · #1097590 San Francisco · San Francisco County Active
- Green Air Mechanical IncC-20 · #1047690 San Francisco · San Francisco County Active
- Greenflow HVAC IncC-20 · #940159 San Francisco · San Francisco County Active
- Heaven'S Earth Co IncA · B · C-10 · C-16 +2 · #790932 San Francisco · San Francisco County Active
Source: CSLB license file, Nov 8, 2026All trades in San Francisco