Think Performance, Think Comfort, Think Alpen!

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Alpen High Performance ProductsAbout Us


To manufacture highly versatile window, glass and door solutions that meet the energy efficiency needs of a changing world, and improve the comfort and durability of the buildings in which we live and work.  From our quality craftsmen who custom build each high performance product, to our collaborative, problem-solving customer solution experts, we strive to create an extraordinary and lasting customer experience.

About Alpen

Alpen High Performance Products is an American window and door manufacturer that designs and builds some of the most energy efficient window and door products in North America and the world.  Alpen’s core product offering draws on a 30-year history of industry leadership in advanced, high performance window and glass manufacturing and innovation. To carry this legacy forward, we continually improve our product offering by developing ongoing enhancements that are responsive to the needs of our customers. We strive for open, honest dialogue with our core constituents and we are actively engaged in many sustainable, energy efficiency focused and healthy high performance building programs. We value calls-to-action from these communities to guide and inform our decision-making in product development and daily operations.

To achieve our mission as a company, we remain steadfastly focused on success in two key pillars of performance:

Our Customers

Alpen works with a broad range of customers on projects both large and small, from single family houses to multi-million dollar estates, and in commercial buildings of all kinds, from McDonalds’ PlayPlaces to museums, university campuses and even the Empire State Building. Our products help designers and planners achieve success in meeting virtually any high performance building certification program, including Net Zero Energy, Passive House, LEED and Living Building Challenge certification programs.

Our professional sales staff is uniquely approachable, solution-oriented, and dedicated to a consultative sales process that considers a whole-system approach to better tailor solutions which meet individual needs. We strive to educate and inform our customers so that they are empowered with the tools they need to make effective choices. If the customer’s goals are focused on energy efficiency, comfort, smart building technology, sustainability or simply having beautiful high quality windows and doors in his or her home or project, we have the products and know-how to provide an effective and lasting solution.