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Windows

Last Updated: 02/27/24
Windows

An assembled unit consisting of a frame/sash component holding one or more pieces of glazing functioning to admit light and/or air into an enclosure and designed for a vertical installation in an external wall of a Residential Building. Includes Transoms.

Product Details

To the maximum extent practicable, federal agencies are required to buy sustainable products, which are products that meet the purchasing program(s) listed below.

If there is more than one program listed below, agencies are directed to prioritize multi-attribute products, which meet statutory purchasing program requirements (asterisk) and one or more required Environmental Protection Agency purchasing programs.

Review our frequently asked questions for more information.

Procurement Info

Where to Buy

Guiding Principles
Contributes to meeting The Guiding Principles for Sustainable Federal Buildings
Additional Guidance

The ENERGY STAR Most Efficientopens in new window program identifies the most efficient products among those that qualify for the ENERGY STAR in particular product categories. Product categories were selected and recognition criteria were established to ensure that products that receive this recognition demonstrate efficiency performance that is truly exceptional, inspirational, or leading edge.

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