Then select the original state and the city you want. After you select your location on the calculator, you need to tell it some things about your low-slope roof and the solar radiation control you ...

More and more US homeowners are turning to rooftop solar, as energy bills ... utility company, roof direction, and roof pitch, the calculator can generate a suggested system size and expected ...

You probably never thought much about your roof, but it makes a big difference in how your solar investment will play out. If your roof has room for lots of panels that soak in the sun all day ...