These inserts are designed to be easily installed and removed, while fitting snugly into existing window frames, significantly reducing heat loss during the cold winter months while allowing ...

“Of course, making sure we’re keeping that heat inside a home is extremely important, so by building these window inserts, it’s helping to reduce air leaks and add that extra insulative ...

GUILFORD — A non-profit energy education and advocacy organization has awarded grants to two local organizations that help people weatherize their homes with energy-saving window inserts.