Transpired Solar Air Collectors: An Energy Efficient Technology for Commercial Buildings

Stephen Sewalk, K. Sunny Liston and Morteza Maher

Journal of Sustainable Real Estate, 2013, vol. 5, issue 1, 183-205

Abstract: Buildings account for 41% of energy consumption in the United States. Eighty-five percent of this energy comes from non-renewable fossil fuels. There are several ways to use energy more efficiently and produce energy using renewable energy sources. In this paper, we examine three types of solar technologies—photovoltaic (PV), solar water heaters, and transpired solar air collectors (TSAC)—and then focus on TSAC. TSAC is an energy-efficient air-heating technology utilizing existing ventilation systems that is extremely efficient (60% to 80%) and has a payback period of 2–8 years based on a variety of variables. While a relatively new technology and best installations are in areas with cool weather but significant sunshine, given the relatively quick payback and the aesthetically pleasing designs, building owners should evaluate whether a TSAC system is viable option.

Date: 2013
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DOI: 10.1080/10835547.2014.12091843

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