925-412-3300

San Francisco, CA Heating and Air Conditioning

San Francisco, CA Heating and Air Conditioning Services

Check out what our customers are saying about Certified Heating and Air Conditioning – Air Conditioning and Heating Services!

Local Reviews
for San Francisco, CA


Lucas G.

Lucas G.

Performed furnace tune up on 18 year old Payne heater. Unit in great shape. One room doesn’t have airflow but because ducts are between walls client is better suited having a general contractor come out.

Near Ortega, San Francisco, CA 94122
Brittany B.

Brittany B.

Providing estimate to replace existing 1996 Rheem furnace and add a supply duct to a bedroom conversion off the garage. New furnace to be installed very soon, client will be very comfortable for many years to come in his beautiful home near the beach in San Francisco! Thank you for choosing Certified and we look forward to working together to lower utility bills and increase comfort!

Near Pacheco St, San Francisco, CA 94116
San Francisco, CA - Providing estimate to replace existing 1996 Rheem furnace and add a supply duct to a bedroom conversion off the garage. New furnace to be installed very soon, client will be very comfortable for many years to come in his beautiful home near the beach in San Francisco! Thank you for choosing Certified and we look forward to working together to lower utility bills and increase comfort!
Brittany B.

Brittany B.

Furnace tune up on 1973 Fraser-Johnston furnace.

Near Ocean Ave, San Francisco, CA 94112
Brittany B.

Brittany B.

Performing furnace tune up and safety inspection on 1985 Day & Night furnace and 2009 Carrier furnace in San Francisco. Made minor repairs and adjusted gas pressure to prevent additional burning of heat exchanger. Also cleaned dryer vent.

Near Westgate Dr, San Francisco, CA 94127
San Francisco, CA - Performing furnace tune up and safety inspection on 1985 Day & Night furnace and 2009 Carrier furnace in San Francisco. Made minor repairs and adjusted gas pressure to prevent additional burning of heat exchanger. Also cleaned dryer vent.
Brittany B.

Brittany B.

Performing furnace tune up and safety inspection on 1999 Payne furnace.

Near France Ave, San Francisco, CA 94112
San Francisco, CA - Performing furnace tune up and safety inspection on 1999 Payne furnace.
Brittany B.

Brittany B.

Performing furnace tune up and safety inspection; cleaned and vacuumed out heat exchanger, inspected ductwork, replaced filter and cleaned dryer vent.

Near Great Hwy, San Francisco, CA 94116
San Francisco, CA - Performing furnace tune up and safety inspection; cleaned and vacuumed out heat exchanger, inspected ductwork, replaced filter and cleaned dryer vent.
Tyler B.

Tyler B.

Tune up, clean up on this old beauty.

Near San Anselmo Ave, San Francisco, CA 94127
San Francisco, CA - Tune up, clean up on this old beauty.