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Windows

Last Updated: 09/30/19

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
  • Federal agencies are required to purchase products as designated or specified under this program
Procurement Info

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Guiding Principles
Contributes to meeting The Guiding Principles for High Performance and Sustainable Buildings
Additional Guidance

The ENERGY STAR Most Efficient 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. There are Most Efficient criteria for a variety of window types: vertical sliders (single-hung and double-hung), horizontal sliders, casement style, and fixed or picture.

Included products. Windows for residential buildings are eligible for ENERGY STAR® Most Efficient 2017 recognition. Excluded products. The following products are not eligible for ENERGY STAR Most Efficient 2017 recognition:

  • Windows for commercial buildings
  • Doors
  • Skylights
  • Tubular Daylighting Devices
Potential LEED Contributions

This product may contribute* toward points in multiple LEED v4 rating systems, including areas required for LEED v4 building certification. Primarily, the credits will apply in the Building Design and Construction (BD+C) category. This includes the specialty areas of: New Construction and Major Renovation, Existing Buildings, Core & Shell, Schools, Retail, Data Centers, Warehouse and Distribution Centers, Hospitality, and Healthcare. Specific credits are:

  • Energy & Atmosphere - Optimize Energy Performance

* It is important to note that no products, individually or collectively, can guarantee a specific number of points for LEED Category credit. Each credit will need to be matched to the product by a certified professional.

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