Are you looking for a mechanical contractor to perform commercial or residential HVAC work? Is it time to upgrade from your old window air conditioning unit to a central heat and air system? Nowak Heating & Air Conditioning, Inc. is ready to take on the task! For 30 years now, we have been providing...

Contra Costa Heating and Air Conditioning (CCHA) has set the standard for HVAC/R companies serving multi-site clients. Our extensive technical expertise is rooted in our beginnings as a local HVAC/R service company in the San Francisco Bay Area. We specialize in a wide variety of mechanical co...