Home > replacement windows > Low Emissivity Glass Low E Windows

The Emissivity of a material is it’s ability to emit energy as radiation and has a value of between zero and one. In other words materials with high emissivity (like tinfoil) does not heat up when the sun hits it unlike a material with a low emissivity (like a black shirt).

Standard glass is high E, which is the reason greenhouses are so hot. This property translates into a loss of heat during the winter and an increase in heat during the summer. This is clearly not ideal for comfort and energy efficiency.

Low E glass has been treated with a microscopic film that allows visible light to pass through the glass while blocking Infrared (heat) light.

innerglass-low-e-illustratiAt Tashman Home Center we carry Milgard windows that feature various energy saving types of glass, including Low E. Recently we installed Heritage doors with high performance Cardinal Low E 366 glass

low e glass

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