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Dual pane low e windows.
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Low e coating on double pane windows improves energy efficiency.
Low e windows and double pane windows are both top choices on the market among people who want to reduce heating costs and energy usage.
Soft coat windows have much better u value than hard coat surfaces and allow less uv transmittance by almost 75 over clear glass.
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Both windows have their good and bad points.
Windows and doors let sunshine in and let people and things in and out of a home or building.
The panes are separated by a space that is from 1 4 to 3 8 inch apart.
However they both contribute to energy loss through a technical process called fenestration.
According to the california energy commission close to 30 percent of your energy dollars leave through your doors and escape through your windows.
Double pane windows are the traditional window that slides in channels that are either horizontal or vertical.