Are you looking for the top Heating and Cooling Companies in Oakland, CA? LocalSpark® has analyzed the most popular HVAC specialists near Oakland, CA. Maintaining your home or business’ HVAC system is essential. Getting regular HVAC tune-ups can increase efficiency and lower monthly HVAC bills. Looking for the best HVAC companies in Oakland, CA, can be difficult. It can be useful to look at a heating and cooling company’s reviews. LocalSpark® has done the legwork and has put together some of the top Heating and Cooling Companies in Oakland, CA.