A comparative energy analysis of three electrochromic glazing technologies in commercial and residential buildings

Nicholas DeForest, Arman Shehabi, Stephen Selkowitz and Delia J. Milliron

Applied Energy, 2017, vol. 192, issue C, 95-109

Abstract: This paper presents a simulation study of three dynamic electrochromic window glazings, including a novel glazing capable of independently modulating its optical properties in both the visible and near-infrared spectrums. This capability allows this so-called “dual-band” technology to actively manage the solar heat and visible light transmitted into a building’s interior, and creates the potential for heating, cooling, and lighting savings vis-à-vis competing window technologies. In this study EnergyPlus is used to simulate annual energy performance of the dual-band electrochromic (DBEC) glazing in three building types and 16 U.S. climate regions. The savings potential of DBEC windows are presented relative to a conventional electrochromic glazing; a visibly transparent, near-infrared switching electrochromic glazings; and several static alternatives, including ASHRAE 90-2010 standard compliant windows.

Keywords: Dynamic windows; Electrochromic glazings; Visible light switching; NIR switching; Energy savings; Solar heat gain (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (24)

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DOI: 10.1016/j.apenergy.2017.02.007

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