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PVT-GSHP System Economic Evaluation Study with IEA ECBCS Annex 54 Method
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 Title & Authors
PVT-GSHP System Economic Evaluation Study with IEA ECBCS Annex 54 Method
Pak, Jin-Woo; Kang, Eun-Chul; Lee, Euy-Joon;
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This study is to perform economic analysis of a PVT-GSHP (Photovoltaic Thermal-Ground Source Heat Pump) system compared to the conventional system which consists of a boiler and a chiller. This research has simulated, developed and analyzed four systems for application in a residential and an office building which was based on the hourly EPI (Energy Performance Index, ). Case 1 includes a boiler and a chiller to meet heating and cooling demands for a house. Case 2 is the same conventional system as Case 1 for a office. Case 3 is simple summation of Case 1 and 2. And Case 4 is utilizing a PVT-GSHP to meet the combined loads of the house and office. The economic evaluation study was based on IEA ECBCS Annex 54 subtasks C economic assessment methods. This study indicated that PVT-GSHP system can save a building`s energy up to 53.9%. Also the SPB (Simple Payback) of the PVT-GSHP system with 0%, 50% initial incentive was 14.5, 6.7 year respectively.
PV/T, Photovoltaic Thermal;GSHP, Ground Source Heat Pump;Load Sharing;Simple Payback;
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