Posts Tagged ‘ “Most Efficient” rating ’

Alpen Tops Energy Star’s List of Most Efficient Windows

Feb 28th, 2024

Alpen High Performance Products (Alpen), a U.S.-based manufacturer of high-performance window technologies for commercial and residential markets, has announced the achievement of Energy Star’s efficiency ratings for high performance windows—earning the program’s top spots. Alpen window models taking the top two spots include its fixed high and low-profile picture windows. Alpen’s operable fiberglass Zenith series […]