Low e emiscity glass is actually a coating put on one of the inner surfaces of the glass to save energy either by keeping the sun out of the home in the summer or keeping the warmth of home from radiating out of the home in the winter in some cases as the window ages the coating may deteriorate.
Low e window coating.
Rather the effect of the low e coating is incorporated into the u factor for the unit or glazing assembly.
Window manufacturers product information may not list emittance ratings.
The solar reflectance of low e coatings can be manipulated to include specific parts of the visible and infrared spectrum.
What is a low e window.
Low e coatings play a pivotal role in the performance of your windows can save you money on energy costs and can drastically reduce fading to furniture and décor by blocking uv rays.
The signs of this failure may appear as small round spots within the window cavity.
A low e glass window which stands for low emissivity is simply a windowpane coated in microscopic layers of metallic oxides.
The low e coating is typically used on multi pane windows with argon gas fills.
However though transparent this coating also protects your home from unwanted uv rays.
In addition to energy savings low e also effectively reduces the amount of transmitted ultraviolet light which can damage carpets fabrics and drapes.
Stanek windows are made with a variety of high performance energy efficient glass options that can meet your energy performance and budgetary needs.
In hotter climates with east or west facing windows the low e coating is applied to the outer layer of the glazing to help keep the heat out.