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.

   
"The UK receives sufficient sunshine to provide up to 70% of their annual domestic hot water."
   

30 years in biz

   
"Every year approximately four billion tons of carbon accumulates in the air each year"
   

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SunCalc shows sun movement and sunlight phases during the given day at the given location.

   
© Canadian Solar Air
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