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EERE » BTO » Building America » Solution Center Home » Image Gallery » Right – The double-pane windows have low-emissivity coatings on three surfaces to reduce heat transfer through the glass allowing in views but preventing heat loss in winter and heat gain in summer.

Right – The double-pane windows have low-emissivity coatings on three surfaces to reduce heat transfer through the glass allowing in views but preventing heat loss in winter and heat gain in summer.