Contents
Why energy-efficient windows?»
Improved Performance
What are the basics?»
Apply Proper Details and Practices»
What tools can help design and selection?»
Specify ENERGY STAR Windows
ENERGY STAR Windows, Doors & Skylights
www.energystar.gov/
index.cfm?c=
windows_doors.pr_windows
ENERGY STAR Manufacturer Search
www.energystar.gov/index.cfm?
fuseaction=windows_doors.
search_windows
EWC Recommendations per ENERGY STAR Zone
www.efficientwindows.org/
energystar.cfm
Tax Credit for Efficient Windows
taxcredit.pdf
The Department of Energy (DOE) and the Environmental Protection Agency (EPA) have developed an ENERGY STAR® designation for products meeting certain energy performance criteria. For windows, doors, and skylights, these criteria have been set to assure that qualifying products reduce heating and cooling demand compared to conventional products, increase comfort, and reduce condensation and harmful UV radiation.
Market advantages of ENERGY STAR Windows
The ENERGY STAR label boosts the market appeal of products by telling customers that these products provide energy savings according to criteria endorsed by the Federal government. But this is not all: ENERGY STAR Windows are actively supported in the market by a range of incentive and endorsement programs:
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Qualification criteria
The ENERGY STAR criteria for windows, doors and skylights are based on their NFRC-rated U-factor and SHGC. Since the energy performance of these products varies by climate, the U-factor and SHGC criteria for windows, doors, and skylights differ between four U.S. climate zones.
View the specific criteria »
