High-Performance Windows

Modern choices and high-performance windows can save you money on heating and cooling your home.



Save on Energy
This cross section shows the construction of energy-efficient windows that protect your home against outside temperatures.
Photo courtesy U.S. Department of Energy
High-Performance Windows
Modern choices can save you money on heating and cooling your home.
Photo courtesy Andersen Windows
Energy Efficient Windows
The annual cost and energy (in millions of British thermal units) savings for Energy Star-qualified double-pane windows over common single-pane windows, based on population-weighted regional average annual energy use for a 2,000-square-foot single-story house with 15-percent glazing, gas heat and electric air conditioning.
Photo courtesy U.S. Department of Energy
Energy Efficient Home
Clear glass (left) versus low-e coated; both double-pane, 32-degree exterior. Scientists at the Lawrence Berkeley National Lab use thermal imaging to show heat gain and loss on window materials.
Photo courtesy Lawrence Berkeley National Lab
Reduce Utility Bill
Double-pane (left) versus single-pane; both 32-degree exterior. Scientists at the Lawrence Berkeley National Lab use thermal imaging to show heat gain and loss on window materials.
Photo courtesy Lawrence Berkeley National Lab
Reduce Heating Bill
Clear window (left) versus low-e coated, argon gas-filled window; both double-pane, 32-degree exterior. Scientists at the Lawrence Berkeley National Lab use thermal imaging to show heat gain and loss on window materials.
Photo courtesy Lawrence Berkeley National Lab
High-Performance-Windows-4
Modern choices can save you money on heating and cooling your home.
Courtesy Andersen Windows

















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