Semper Solaris is Rancho Cordova’s premier solar panel, residential roofing, heating and air conditioning contractor! We offer the best solar panels available on the market, we are local and Veteran owned. Oo-rah! We’d love to crunch the numbers on your power usage and determine the best way to install your solar panel system, Tesla Powerwall, add a whole new energy-efficient roof and pair your solar panel system with a new, energy-efficient heating and air conditioning unit! As one of the top solar, roofing, heating and air conditioning company, we are also proud to serve residents in Rosemont, Roseville, Florin, Fair Oaks, Elk Grove, Davis, and more!