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PPG Low-E Glass Doubles Savings

Post Time:Dec 23,2011Classify:Company NewsView:269

Triple-silver-coated, low-emissivity glass can save a building twice as much in annual energy savings than its double-silver-coated equivalent, according to research by manufacturer PPG Industries.

 

Speaking at a conference at the University of Southern California, Chuck McMullen, national architectural manager for PPG Industries used the example of a prototype window-walled, eight-story office building in Los Angeles to show that its building owners could achieve energy savings of more than $37,000 per year when using double-silver-coated, low-e glass instead of spectrally selective tinted glass. When triple-silver-coated, low-e glass was substituted for spectrally selective tinted glass, the annual energy savings for the same building more than doubled to $75,728, McMullen said.

 

McMullen also showed that building owners benefit from low-e glass installations through lower heating, ventilation and air conditioning equipment costs, because the glass blocks the sun’s heat and reduces the need for cooling.

 

Furthermore, specifying triple-silver-coated, low-e glass instead of spectrally selective tinted glass reduced annual heating- and cooling-related electricity use in the window-walled office building by as much as 500 kwh. Natural gas consumption in the same building was reduced 27 percent with triple-silver-coated, low-e glass, McMullen said.

 

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Source: www.environmentalleader.comAuthor: shangyi

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