GSA Press Conference Highlights Alpen Quadruple and Secondary Windows as Energy Efficient Solutions Aligned with Federal Sustainability Goals

GSA Administrator Robin Carnahan speaks at a GSA press conference to discuss the importance of tackling the climate crisis.

“The more we can show and demonstrate that climate change can be solved today by today’s innovations… the more people will begin to demand the solutions that will benefit them today.” – Gina McCarthy, National Climate Advisor

ALPEN HIGH PERFORMANCE PRODUCTS INC., a longtime U.S. leader in high-efficiency window technology in the commercial and residential markets, was highlighted at a U.S. General Services Administration (GSA) press conference on Wednesday at the Denver Federal Center as part of the GSA’s Green Proving Ground (GPG). GSA Administrator Robin Carnahan joined National Climate Advisor Gina McCarthy, Governor Jared Polis, Congressman Ed Perlmutter and Mayor Adam Paul to discuss the importance of addressing the climate crisis through through the promotion of climate investments and jobs in Colorado.

Federal programs like the GSA’s GPG program are actively evaluating emerging building technologies to demonstrate their applications in meeting clean energy and sustainability goals. The GSA recently finalized and released the results of its nearly year-long testing and evaluation of WinSert® secondary window inserts and lightweight Quad-Pane windows manufactured by Alpen. In discussing the GPG program, Administrator Carnahan highlighted Alpen windows as an example of what these program investments aim to achieve. “That’s where we take innovative new products and test them on these federal buildings, and one of them is here today. These are the Alpen Quadruple Glass Panels. It’s a Colorado company that does that here on the [Denver Federal Center] campus and save lots of money, creating jobs in Colorado.

National Climate Advisor Gina McCarthy expanded on Carnahan’s comments on demonstration programs such as GPG, explaining how climate change’s “code red” status can be turned into opportunities. “The more we can show and demonstrate that climate change can be solved today by the innovations already today as we move forward to create the next set of opportunities, the more people will begin to demand the solutions that will benefit them today. today.”

Reducing energy costs by making buildings more energy efficient is a key factor in addressing the climate crisis, along with the importance of building futurization beyond the federal portfolio. “The challenge is trying to get people to understand and embrace the efficiency you can achieve with new buildings, but also the efficiency you can achieve by retrofitting and rethinking the way energy costs are spent,” McCarthy said. “It can make a huge improvement, if you think about it, over time. By making a small investment, you can accumulate that return on investment…and the payments keep paying after that. Every year you get the benefit…A Part of the most important strategy for fighting climate change is as simple as reducing your energy bill.

Through GPG studies, Alpen’s WinSert secondary window inserts, made with “thin” glass and super-insulated fiberglass frames designed to transform existing underperforming windows into high performing windows, have demonstrated up to 18 % energy savings in the whole building based on energy modelling. . Alpen’s four-pane windows, manufactured with ‘thin’ glass or suspended film center panes to create a high performance window in a lighter profile, have demonstrated an average simple return on investment of less than two years. The GSA will install Alpen’s high-performance four-pane windows in Building 40 of the Denver Federal Center as part of its goal to use energy efficiency to achieve net zero through the electrification of its buildings.

“We are delighted to be invited to the GSA’s Green Proving Ground program to demonstrate the promising capabilities of our WinSert quadruple and secondary windows,” said Brad Begin, CEO of Alpen High Performance Products. “Climate change is here, and high-impact technologies that reduce the footprint of the built environment have never been more imperative.”

GSA’s Green Proving Ground program hosted two Alpen product webinars where researchers and facility managers discussed project evaluation results, shared operational tips and answered questions live. Webinar recordings for lightweight four-pane windows and lightweight secondary windows can be viewed here. More information about these GPG program studies and their findings is available at

About GSA’s Green Proving Ground (GPG) Program

The GSA’s Green Proving Ground program works with third-party evaluators to test the first innovative commercial building technologies in federally owned buildings. The program enables the GSA to make investment decisions in next-generation building technologies based on actual performance. To date, following favorable assessment results, 23 GPG-evaluated technologies have been deployed in more than 500 facilities across the GSA’s real estate portfolio. For more information about the GPG program, please visit


Alpen High Performance Products manufactures super insulating and thermally efficient commercial and residential windows and architectural glass with four decades of leadership in the manufacturing industry of high performance windows and glass units. The exceptional thermal performance of Alpen’s window and glazing solutions offers the freedom to design with maximum glass in all building types and climate zones. Whether for new construction or retrofit applications, Alpen products offer a powerful combination of blocking summer heat, retaining winter heat, eliminating harmful ultraviolet rays, reducing noise and maximizing natural light while offering exceptional energy savings. Visit the Alpen website to find out more.

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