Alpen Tops Energy Star’s List of Most Efficient Windows

February 28th, 2024 by Editor

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 also achieved Energy Star’s “Most Efficient” rating, ranking near the top of the list, the company reported.

“With the recent shift to Energy Star 7.0, builders and homeowners are looking for window solutions that match the new, more stringent criteria,” said Alpen CEO Andrew Zech. “Alpen is proud to again be listed in 2024 as manufacturing America’s most efficient windows. We’re pleased to offer a wide variety of Energy Star rated doors and windows, plus advanced insulating glass units that can help other window manufacturers meet Energy Star standards with their own products.”

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