LOW-E COATED GLASS
Minimizes the amount of ultraviolet and infrared light that can pass through glass without compromising the amount of visible light
What is Low-E coated glass?
Low-E coatings have been developed to minimize the amount of ultraviolet and infrared light that can pass through glass without compromising the amount of visible light transmitted.
The ability of a material to radiate energy is known as emissivity. In general, highly reflective materials have low emissivity while darker colored materials have a high emissivity. All materials, including glass windows, radiate heat in the form of long-wave, infrared energy. This depends on the emissivity and temperature of their surfaces.
Radiant energy is one of the important ways heat transfer occurs. Reducing the emissivity of one or more of the window glass surfaces improves a window’s insulating properties. Due to a Low-E glass’ microscopically thin, transparent silver coating, long-wave infrared energy (or heat) is radiated.
Some low-e’s also reflect significant amounts of short-wave solar infrared energy. When the interior heat energy tries to escape to the colder outside during the winter, the
Low-e coatings are applied to the various surfaces of insulating glass units. Whether a
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