Department of Energy
Energy Efficiency and Renewable Energy
The ZIP-Code Insulation Program will tell you the most economic insulation level for your new
or existing house.
To produce your insulation recommendations, the program needs to know many things.
Use the following pages to define your house and climate. You can change any number that appears in a box that looks like this:
This program will let you customize cost and construction factors to give you a more accurate
assessment of potential insulation options.
For general information about residential insulation, please read the
Insulation Fact Sheet.
This program requires a minimum screen size of 800 x 600 pixels.
To check or change your screen size, start the "Display" program in the
"Control Panel" folder or right click the mouse in an unused area of the
desktop window and select "Properties". The screen size is on the "Settings"
tab. Your web browser must be restarted after changing the screen size.