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William Hutzel, P.E., Purdue University
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Reinhard Mietusch, University of Dresden
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Osama Alradaddi, Purdue University
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Bhargav Rajkhowa, Purdue University
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The biowall is a plant-assisted air-filter that is integrated with the central HVAC system on a home to improve indoor air quality and has the potential to reduce energy consumption. The biowall concept has been evaluated in a laboratory setting and a pre-commercialization prototype has also been installed in a model home for further evaluation. This paper summarizes the laboratory and field demonstration work that has been accomplished since 2014. It is expected that a biowall can reduce the outside air requirements for IAQ by up to 50% which could subsequently reduce HVAC energy consumption by 30%.
