See how much energy and money and carbon you can save by making various design or remodeling changes to your home with this free 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.

   
"Waste not the smallest thing created, for grains of sand make mountains, and atomies infinity." - E. Knight
   

30 years in biz

   
"Americans use 50 million tons of paper annually, consuming more than 850 million trees."
   
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