Sash Replacement

Window sash replacement may be an alternative to a full window replacement or an insert window into an existing frame. The physical condition of the existing window must be good—there should be no moisture or air leakage. An energy auditor or replacement contractor may help you determine if a sash replacement is viable based on your home’s window and wall conditions.

Many manufacturers offer replacement sash kits that come with jamb liners to ensure proper operability and fit. This option allows for relatively easy installation, but the existing frame must be in good condition to ensure air and water tightness.

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provides unbiased information and education to the public on the energy efficiency, technical, and human considerations that influence window selection and use. The EWC collaborates with allied organizations, educational institutions, and government agencies that promote energy efficiency in residential windows. We do not sell, service, install, or recommend products, or endorse manufacturers. Descriptions and specifications of the products in the Window Selection Tool are provided by the manufacturer. The EWC is not liable for any manufacturing defects or inaccurate product descriptions and specifications and does not guarantee the performance of NFRC-certified windows, doors, and skylights.

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National Fenestration Rating Council
6305 Ivy Lane, Suite 410
Greenbelt, MD 20770
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