Alpen HPP

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Alpen HPP Radical performance within reach. The highest performing windows, doors and glass in North America.

At Alpen High Performance Products (Alpen HPP), we custom manufacture super-insulating, thermally-efficient residential and commercial windows and doors utilizing a unique proprietary combination of component products, including lightweight suspended-film technology and ultra-thin glass, and either fiberglass or fiberglass-reinforced uPVC framing systems. Our American-made product is custom manufactured by experienced craftspeople driven by the utmost attention to detail utilizing only the highest quality materials. The industry leading performance of our products has a measurable impact on energy efficiency and overall comfort that is second to none.

Congratulations to the team behind the MiNet0-1 project, winner of the Source Zero category in the 2026 Phius Passive Pr...
10/16/2026

Congratulations to the team behind the MiNet0-1 project, winner of the Source Zero category in the 2026 Phius Passive Projects Design Competition!

The home is located in Grand Rapids, Michigan and features Alpen Tyrol windows. We're proud to have been part of this project and to see the team's work recognized at PhiusCon.

Hats off to Corri Sandwick Architecture, Michigan Net Zero Homes LLC, CPHC Dale Hulst, and all the project partners who helped bring it to life.

Learn more about the project:

Project 2357 MiNet0-1 (Eastern) Corri Sandwick Architecture Grand Rapids, Michigan Building Function Single-Family Project Type New Construction ASHRAE Climate Zone 5A - Cool - Humid Construction Completion 2025 Status Certified INT. Conditioned Floor Area 1510 ft² Core Project Team Builder Dale Hu...

PhiusCon 2026 is underway, and Alpen is here exhibiting and connecting with the high-performance building community!This...
10/09/2026

PhiusCon 2026 is underway, and Alpen is here exhibiting and connecting with the high-performance building community!

This year, our Chairman Brad Begin returns to the PhiusCon stage to make the case for cooling-dominated climates as the next frontier for high-performance glazing. As extreme heat becomes the norm, the job shifts from keeping heat in to keeping it out, while occupants stay comfortable and energy loads stay low.

Brad Begin has spent decades pushing window performance forward, and he’s still asking what comes next. If you're at PhiusCon, join him today at 4:30 p.m. MST (local time)!

Don't forget to stop by the Alpen booth ( #17) and say hello! Phius

Coming up later this week!Our Chairman, Brad Begin, returns to the PhiusCon stage to show why cooling-dominated climates...
10/05/2026

Coming up later this week!

Our Chairman, Brad Begin, returns to the PhiusCon stage to show why cooling-dominated climates are the next frontier for high-performance glazing. As extreme heat becomes the norm across more of the country, the work shifts from keeping heat in to keeping it out, while occupants stay comfortable and energy loads stay low.

📍Friday, October 9th | 4:30pm MT
🤝 After the session, visit the Alpen Booth to keep the conversation going.

Phius

PhiusCon is heading to the southwest, and so are we!Every year we look forward to this week with the passive house commu...
09/24/2026

PhiusCon is heading to the southwest, and so are we!

Every year we look forward to this week with the passive house community. Find the Alpen team on the trade show floor in Phoenix, AZ, October 8–10. Come see our high-performance windows up close, bring your project questions, and say hi.

P.S. Our very own Brad Begin will be taking the stage this year! More on that soon.

Phius

What does high-performance building look like in the real world?You can see it for yourself this Saturday at the CGBG 20...
09/17/2026

What does high-performance building look like in the real world?

You can see it for yourself this Saturday at the CGBG 2026 Green Home Tour.

Alpen is proud to sponsor this year’s tour, which gives homeowners, builders, architects, and building professionals the opportunity to step inside homes designed around energy efficiency, health, comfort, and resilience.

From new construction and remodels to energy retrofits and Passive House projects, the tour offers a firsthand look at high-performance homes at various stages of construction throughout the Denver, Boulder, and Fort Collins areas.

Come talk with the Alpen and Colorado Green Building Guild team and get into the details with us!

Colorado Green Building Guild's annual Green Home Tour returns September 19, 2026 for another great year of beautiful, sustainable, home tours.

We’re here! 👋 Our one and only Craig Maierhofer is holding down the Alpen booth the EEBA High Performance Home Builder S...
09/16/2026

We’re here! 👋 Our one and only Craig Maierhofer is holding down the Alpen booth the EEBA High Performance Home Builder Summit in St. Paul.

If you’re at the Summit, stop by and say hi! We'd love to chat about how the right windows can help take homes to the next level of comfort, efficiency, and performance.

We’ll see you at Booth 36!

EEBA | Energy & Environmental Building Alliance

High-performance homes are becoming more than a niche. Builders are looking for practical ways to deliver homes that are...
09/15/2026

High-performance homes are becoming more than a niche. Builders are looking for practical ways to deliver homes that are more energy efficient, healthy, resilient, and comfortable without adding unnecessary complexity, and that’s exactly the kind of conversation we’re looking forward to being part of.

Alpen is proud to sponsor the EEBA | Energy & Environmental Building Alliance High Performance Home Builder Summit and connect with builders, raters, analysts, architects, and other professionals working to move high-performance residential construction forward.

If you’ll be at EEBA, come find us at Booth 36! We’d love to talk building performance and how the right window package can support your high-performance goals.

It never gets old celebrating a project that earns Phius certification.Congratulations to the Ralston Eco Home team on t...
09/11/2026

It never gets old celebrating a project that earns Phius certification.

Congratulations to the Ralston Eco Home team on this well-deserved achievement! We’re proud to have played a part in this high-performance home.

Congratulations to the Ralston Eco Home team! Your single-family, new construction project in Swisher, Iowa, is now Phius CORE Prescriptive 2024 Certified!

Horizon Architecture
Ralston Eco Homes
Heartland Energy Consultants

What happens when modular construction, passive house principles, and workforce development are designed to reinforce on...
01/27/2026

What happens when modular construction, passive house principles, and workforce development are designed to reinforce one another?

Project Ponderosa in Boulder, CO offers a compelling answer. Born from the aftermath of the 2013 floods, this initiative brings together the City of Boulder, Flatirons Habitat for Humanity and BVSD to go beyond basic recovery work.

The project redefines how communities can build with intention, aligning construction quality, affordability, and local capability.

🔗Learn more: https://bit.ly/3M7IElR

Photo credit: John Risi/courtesy city of Boulder

Merry   from all of us here at Alpen. Wishing you a season filled with joy, peace, and togetherness.We'll be closed toda...
12/25/2025

Merry from all of us here at Alpen. Wishing you a season filled with joy, peace, and togetherness.

We'll be closed today (Thursday) in observance of the holiday, but look forward to serving you tomorrow.

Address

335A Centennial Parkway
Louisville, CO
80027

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18008824466

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