Alpen Tops 2024 Energy Star Most Efficient Windows List

Alpen Tops 2024 Energy Star Most Efficient Windows ListLOUISVILLE, CO – Alpen High Performance Products, a leading American manufacturer of high performance window technologies, has continued its year-over-year hold on the top spots in Energy Star’s efficiency ratings for high performance windows in 2024. The Alpen windows inhabiting 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.

“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 windows and doors, plus advanced insulated glass units that can help other window manufacturers meet Energy Star standards with their own products.”

The Energy Star program was started in 1992 by the EPA to drive improved energy efficiency in homes and in businesses. According to the EPA, Energy Star has driven over 5 trillion kilowatt hours of electricity savings and reduced carbon emissions by 4 billion metric tons. High performance windows, such as those manufactured by Alpen that feature an Energy Star rating of “most efficient” automatically qualify for a $600 tax credit.


About Alpen
For over forty years, Alpen has pursued a quest to radically transform the built environment in the United States by designing windows, doors and architectural glass that continue to raise the bar on performance. We specialize in leveraging advanced materials and innovative design to ensure exceptional performance for both commercial and residential applications. Our products rank among the most efficient and durable solutions in North America and beyond. Please visit Alpen’s website to learn more.

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