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Results 1 - 8 from 8 for low emittance in 0.352 sec.
Dumb Architect's Guide to Glazing Selection
Coatings are generally known as low-e coatings, which means low emissivity. Low-e coatings were developed in the 1970's and ... ) of the window depending on where the coating is located. Low-emittance coatings can be applied in two different ways; as a hard ... glass might have a high visible light transmittance (vlt) and a low SHGC for example. With normal coatings, as the SHGC drops so ...
oikos.com
Frequently Asked Questions About Cool Roofs
Products for low-slope roofs, found on commercial and industrial buildings, fall into two categories - single- ... to Section 10-113 for information on certification and labeling requirements for reflectance and emittance of cool roof products. For the prescriptive compliance approach in the energy efficiency standards ...
consumerenergycenter.org
The Efficient Windows Collaborative: Resources
TOOL WINDOW TECHNOLOGIES Glazing Types Frame Types Operating Types Low-E Coatings Gas Fills Spacers BENEFITS Energy & Cost Savings ... and height from the floor are specified in the building codes. Emittance. The ratio of the radiant flux emitted by a ... panes of glass in a double- or triple-glazed window. Low-emittance (Low-E) coating. Microscopically thin, virtually invisible, metal or metallic ...
efficientwindows.org
The Efficient Windows Collaborative: Window Technologies
Gain Low-E, Argon/Krypton Gas Double-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas Triple-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas Triple-glazed with Low-Solar-Gain Low- ... Reflective coatings and films were developed to reduce heat gain and glare, and more recently, low-emittance coatings have been developed to improve both heating and cooling season performance. The third approach ...
efficientwindows.org
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What Can Be Done | Heat Island Effect | U.S. EPA
Cool roofs also may have a high thermal emittance , and thus release a large percentage of absorbed heat. This keeps the material cooler and ... commercial) and those used on steep-sloped buildings (primarily residential). Most cool roof applications for low-slope buildings have a smooth, bright white surface to reflect solar radiation, reduce heat transfer ...
epa.gov
FAQ - About Radiant Barriers for New and Existing Homes
The emissivity is a number between zero (0) and one (1). The higher the emissivity ... the characteristics of a radiant barrier? All radiant barriers have at least one reflective (or low emissivity) surface, usually a sheet or coating of aluminum. Some radiant barriers have a reflective ...
flasolar.com
New Fact Sheet Challenges Performance Claims of Reflective Bubble Pack Insulation Manufacturers
The thermal performance of reflective insulations is highly dependent upon having low-emittance facing materials and the presence of a perfectly sealed air space in construction, and the ...
naima.org
Sustainablity | Region 2 | US EPA
VOC) paint and green power options for your electricity. Homeowners: Install energy and water efficient fixtures and appliances, and replace old windows with insulated low-emittance or "low ...
epa.gov
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