GlasFëns brings European-style fenestration to homes across the Americas: high-performance windows and doors that are quieter, warmer, and more secure than anything built to standard code.

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Based on proven European systems and fitted with German hardware, our fiberglass and thermally broken aluminum windows deliver whole-window thermal performance approaching zero, up to a whole-window U-value of 0.045 (R-22). The result is a home that holds its temperature, shuts out street noise, and feels comfortable in every season. Every window is engineered to order in the full range of sizes and configurations, with narrow frames for more glass and more light, concealed hinges and sashes for clean sightlines, integrated blinds, and the kind of multi-point European hardware that locks tight, opens effortlessly, and makes cleaning simple.

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From a single replacement window to a whole-home project, GlasFëns delivers the performance, security, and design of the finest European windows, built to suit any architectural style.