{"id":38928,"date":"2024-11-22T01:48:00","date_gmt":"2024-11-22T09:48:00","guid":{"rendered":"https:\/\/www.yardi.com\/blog\/?p=38928"},"modified":"2026-02-27T02:32:25","modified_gmt":"2026-02-27T10:32:25","slug":"pane-gains","status":"publish","type":"post","link":"https:\/\/www.yardi.com\/blog\/pane-gains\/","title":{"rendered":"Pane Gains"},"content":{"rendered":"

Much of the discussion about energy efficiency in commercial and residential buildings focuses on heating and cooling systems. But windows, which account for more than half of a modern skyscraper\u2019s exterior surface area, are earning their share of attention in the search for smart solutions for buildings.<\/p>\n

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Commercial buildings account for about 40% of carbon emissions. Glass traditionally used in skyscrapers easily transfer heat from the inside to the outside, leading to higher energy consumption for heating and cooling.<\/p>\n

In response, advanced materials and engineering are driving a \u201crevolution\u201d in the building industry, \u201cone that is set to transform the way we think about construction and energy efficiency. At the center of this revolution lies glass,\u201d says G\u00f6rkem Elverici, CEO of \u015ei\u015fecam, a leading glass manufacturer based in Turkey.<\/p>\n

For example, low-emissivity (low-e) coatings incorporate an extremely thin coating of silver, zinc or indium tin oxide to reduce heat loss and heat gain through windows. They also help prevent the damaging effects of ultraviolet light on furniture, floors and other items.<\/p>\n

Insulated glass units often fit into existing window frames, eliminating the need for costly redesigns and retrofits.<\/p>\n

Other energy-efficient windows contain sealed layers of argon gas, which combine with low-e glass and vinyl framing for greater comfort and energy cost savings.<\/p>\n

Secondary glazing involves improving a window\u2019s insulation with an additional windowpane. With this technology\u2019s potentially not yet fully realized, the U.S. Department of Energy (DOE) is sponsoring prizes valued at $2 million to encourage innovation of high-performance, cost-effective secondary glazing systems for commercial building windows. The prizes will be announced by May 2026.<\/p>\n

\u201cLess than 1% of commercial buildings get full window replacements each year because it is so expensive and disruptive for occupants. Secondary glazing systems can help solve this problem,\u201d says Jeff Marootian, the DOE\u2019s principal deputy assistant secretary for energy efficiency and renewable energy.<\/p>\n

Windows were added to the ENERGY STAR\u00ae program in 1998. Recent updates to ENERGY STAR standards and building codes in some jurisdictions increase the urgency of elevating performance standards.<\/p>\n

The DOE\u2019s Building Technologies Office estimates that improved window performance could reduce the country\u2019s annual energy use by 1.7% and CO2 emissions by 1.9% by 2050.<\/p>\n

Ongoing challenges include high energy consumption associated with extracting and processing the natural resources used in manufacturing glass. Some manufacturers are responding by increasing their use of recycled glass, instituting energy efficiency initiatives and making greater use of renewable energy sources.<\/p>\n

\u201cInefficient windows are a huge energy savings opportunity,\u201d\u00a0says Marc Lafrance, a DOE technology manager. \u201cThe widespread adoption of cutting-edge novel window technologies can keep energy use and costs low while ensuring our comfort as well.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"

Much of the discussion about energy efficiency in commercial and residential buildings focuses on heating and cooling systems. But windows, which account for more than half of a modern skyscraper\u2019s exterior surface area, are earning their share of attention in the search for smart solutions for buildings. Commercial buildings account for about 40% of carbon […]<\/p>\n","protected":false},"author":610,"featured_media":38930,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_s2mail":"yes","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[210],"class_list":["post-38928","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-construction"],"acf":[],"yoast_head":"\nYardi Blog<\/title>\n<meta name=\"description\" content=\"Much of the discussion about energy efficiency in commercial and residential buildings focuses on heating and cooling systems. 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