In contrast, thermal solar energy employs solar panels to seize sunlight and switch it into heat, which happens to be then used to heat drinking water or air for heating, cooling, or very hot h2o apps. Solar panels include around 2-four lbs for each square foot for your roof’s load. https://businessbookmark.com/story6176693/new-step-by-step-map-for-solar-cell-sorlar-rooftop