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DOE-2 calculates the hourly energy use and energy cost of a commercial or residential building given information about the building's climate, ...more
Free Load Calculator by Mr. HVAC...more
See how much energy and money you can save by making various design or remodeling changes to your home with this new easy-to-use program. You can ...more
A family in England has installed solar panels, with which their house generates electricity. It's cheap to install and they don't have to pay ...more
Group discounts help you and your community buy solar energy
This snippet is an exerpt of a for-sale video by Andrey Shadrov. It is warm, comfortable and ecological to live in adobe house, even in winter, - ...more
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