Do you need a company providing commercial and residential air conditioning or heating services, repair and installation in Oakland, CA? Stop searching - we have detailed information, unbiased customer reviews and recommendations about local contractors. 
We take care of the heating, cooling and plumbing needs of the San Francisco Bay Area. We help you save energy and lower your utility bills. We do residential and commercial repairs, installation and servicing of air conditioners, heaters, refrigeration, solar panels.
Mark Anderson —
Recently had some new air conditioning put in our offices The job was a disaster from the start. The engineers if you can
We are providing our customers with air conditioning, heating and indoor air quality solutions from the industry's top manufacturers. Only products that have been scrutinized for quality and reliability, are chosen by Harry Clark. We are proud to install systems from notable companies such as York, Honeywell, Bryant and April Aire.
