Insulating windows helps to conserve energy and make your home warmer in the winter. Window glass loses heat faster than insulated walls or ceilings. Window insulation includes simple upgrades like ...

Why do buildings have windows? It seems a bit crazy to design secure shelter against enemies and the environment only to construct openings in the sidewalls of a house. But for several thousand years, ...

A practical guide for architects on using European windows in U.S. projects, covering NFRC rules, installation methods, costs and performance standards.