Open Sash

Open Sash, located in East Montpelier, VT, specializes in energy efficiency, weatherization, and restoration of old windows. Their unique retrofit system transforms old windows into energy-efficient ones that maintain the original look and function, offering a cost-effective and sustainable alternative to window replacements.

With a focus on preserving the beauty and functionality of historic and modern windows, Open Sash's retrofit services include adding glass, insulating weight cavities, and integrating modern weather seals. Their approach not only enhances the energy efficiency of windows but also extends their lifespan, providing homeowners with a long-term solution for improving the performance of their existing windows.

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