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Alpen News

March 27, 2024

Secretary Granholm’s Visit to Alpen

  On March 8th, we were honored to host Energy Secretary Jennifer Granholm at Alpen’s Headquarters in Louisville, CO.  Following her tour of our facility, Secretary Granholm announced $425 million in funding as part of the Department of Energy’s Advanced Energy Manufacturing and Recycling grant program. This funding is targeted towards supporting small and medium-sized

March 1, 2023

Alpen Zenith Window Series

The R-Value of Windows

by Randy Williams from Northern Built Heat is a funny thing. It wants to move from someplace warm to someplace cold, (the opposite of being a snowbird) and it’ll continue to move until it has reached equilibrium.  In the heat of the summer or cold of winter, that means if we can’t slow the movement

February 22, 2022

GSA Green Proving Ground Field Testing Results: WinSert Lightweight Secondary Windows

Alpen WinSert® Secondary Window Inserts Demonstrate Up to 18% Whole-Building Energy Savings in GSA Green Proving Ground Testing

GSA field testing results are in: Researchers confirm WinSert® as a cost-effective and efficient way to improve the thermal performance of existing commercial windows WITHOUT window replacement.    The U.S. General Services Administration (GSA) has finalized and published the results of its nearly year-long testing and evaluation of Alpen’s WinSert® secondary window inserts. WinSert is:

January 12, 2022

WinSert® Recognized as BuildingGreen “Top 10 Product” for 2022 – Alpen’s Third Top Product Recognition

Alpen is proud to announce that our WinSert high performance secondary window inserts have been recognized by the highly-regarded BuildingGreen as a Top 10 Product for 2022!    Louisville, CO – BuildingGreen, a well-respected leading source of trusted and unbiased information among sustainable building professionals for over 35 years, annually recognizes the most innovative green

January 3, 2022

Attachments Energy Rating Council

WinSert®’s Outstanding High Performance Ratings Have Officially Been CERTIFIED by the AERC!

At Alpen, we strive to provide third-party validation of our window, door & glass product performance so our customers can trust that our data is accurate and unbiased.   We are proud to announce that the Attachments Energy Rating Council (AERC) has officially certified and listed the WinSert🄬 line of high performance secondary window inserts

December 7, 2021

Alpen Quad-Pane Windows Demonstrate an Average Simple Payback of Under Two Years in GSA Green Proving Ground Testing

Alpen Quad-Pane Windows Demonstrate an Average Simple Payback of Under Two Years in GSA Green Proving Ground Testing

GSA field testing results are in: Alpen quad-pane windows demonstrated an average simple payback of under 2 years!   The U.S. General Services Administration (GSA) has finalized and published the results of its nearly year-long testing and evaluation of quad-pane windows manufactured by Alpen High Performance Products. Quad-pane windows with suspended film center panes and

December 1, 2021

915 Broadway Street-WinSert Case Study

Project Highlight: From 90 degrees to 72 degrees–Thermal Performance & Working Conditions Improved by WinSert

“Today we hit a high of 115 degrees in downtown Vancouver, which beats the previous all-time record of 108 set yesterday. This is absolutely unprecedented here, and I just wanted to preface this by setting that stage . . . The building is performing absolutely amazingly. I remember previous 95- and 100- degree days when

August 25, 2021

Project Highlight: Exterior Window Condensation Eliminated by WinSert

“As long as we had single-pane windows, we were going to be fighting high energy demand.” – Bill Abbott, Property Manager U.S. Veteran Affairs Regional Administration Building, Texas Medical Center – Houston, Texas After battling excessive exterior window condensation and an uncomfortable working environment caused by single-pane windows, this 200,000 square foot building was completely transformed by

December 5, 2019

Alpen ThinGlass Wins Building Green “Top 10” Award

Alpen is proud to announce that our ThinGlass Triple and Quad IGUs have won a prestigious “Building Green Top 10 Product for 2020” award.             About the Award “These windows are available in products with a fiberglass or uPVC frame, and the company says it has tested commercial insulated glazing units

September 9, 2019

Project Snapshot: Williams Village East Dormitory

These are excellent windows for students studying…or sleeping past noon! The newest (and largest) dormitory at the University of Colorado Boulder just opened, and we’re proud to say the university selected Alpen high performance windows for every dorm room. About Williams Village East Dormitory: “The seven-story Williams  Village East residence hall will house 700+ students