Renewable Energy With RECs or Renewable Energy Credits available in most of US States as well as worldwide, Solar Energy is today more attractive than it’s ever been. Better ROI than PV Shorter project paybacks are possible than with other Solar Technologies, which means improved ROI and freeing funds earlier.. Clean & Free Non-polluting, perpetual, storeable, dispatchable & versatile.. About Quantum Solar tm © QUANTUM SOLAR 2014 Direct Solar Radiation on a Clear Day* Assuming 850 W/m² 269 Btuh/ft²  (Some areas have much higher solar irradiance up to 1,200 W/m²)  Temperature to Application 150°F up to 500°F (65.5°C-260 °C)  Solar to Thermal Efficiency, Collector Only** 55.2% up to 74%  Available Thermal Energy for Process after Losses 469 W/m² to 629 W/m²  Prepackaged or Made to order Systems to fit your needs: 5 Tons (Refrigeration), 10 Tons, 20 Tons or up to unlimited sizes   (Space dependent).