RoofRay's Calculator.Posted by Angelique van Engelen, TriplePundit, September 11, 2008. "[Do you] fancy installing solar panels on your roof? Check out what it's going to cost you first. A new calculator called RoofRay uses Google Earth to give you an idea what solar panels can do for your house. I have tried out the Roofray calculator and think that if carbon footprint calculators were an eye opener, Roofray's solar energy calculations are the next best thing. The calculator tells you in seconds what the expected cost savings versus the initial investment costs are going to be. All you need to do is to key in your address like you do in Google Earth, and superimpose some would be panels on your actual house's roof. The calculator... will even allow you to input the approximate angle of your roof's slant. This way, the calculator will adjust for the amount of sun your panels ... catch."
2008-09-12
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