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Resource

Home Energy Efficient Design (HEED)

Free downloadable tool

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 draw in the floor plan of your own house, then click and drag your windows to their correct location. You can select from lists of typical wall and roof construction. For advanced users there are more detailed design data input options and output display graphics from the original Solar-5. HEED self installs as a stand alone program on everything from Windows 98 to Windows XP and Macintosh OS X 10.4 or later. HEED also runs in Spanish (see HEED en Espanol icon).