Alpen High Performance Products
Ultra‑efficient fiberglass windows and thin‑glass triple and quad glazing.
Visit Alpen High Performance Products ↗Alpen High Performance Products is a building‑products manufacturer listed on Grit Guide, headquartered in Louisville, CO. Passive House numbers (R‑5 to R‑11) from a U.S. factory.
- Category
- Brands & Manufacturers
- Sells
- High Performance
- HQ
- Louisville, CO
- Category
- Brands & Manufacturers
- What They Sell
- High Performance
- Headquarters
- Louisville, CO
- Website
- thinkalpen.com ↗
Who Is Alpen High Performance Products?
Ultra‑efficient fiberglass windows and thin‑glass triple and quad glazing.
Passive House numbers (R‑5 to R‑11) from a U.S. factory.
More In Brands & Manufacturers
Claim your listing, add your story and photos, or talk to us about a feature. Featured placement is paid and always labeled.
Grit Guide listings are editorial selections. Featured and sponsored placements are paid and always labeled, and paid placement never changes what we say about a company. Company information comes from public sources and manufacturer materials, is current to the best of our knowledge as of July 2026, and can change without notice; confirm product details, availability, pricing, and warranty terms directly with each company before you buy. Editorial opinions, including “Why They’re Listed” and comparisons, are our own, are provided for general information only, and do not imply endorsement by or affiliation with any company named unless expressly stated. All company names, logos, and trademarks are the property of their respective owners and are used for identification purposes only; owners may request updates or removal at any time. Spot an error? Claim the listing above and we will correct it fast.