Application analysis to a shared apartment house of heat storage type GSHP system with dual storage tank

이중 축열조를 갖는 축열식 지열원 히트펌프시스템의 노인공동주택 적용 분석연구

  • Park, Jong-Woo (R&D Department, J&G Co., Ltd) ;
  • Lee, Sang-Hoon (Department of New & Renewable Energy, Jeonju Vision University) ;
  • Cho, Sung-Hwan (Department of Mechanical and Automotive Engineering, Jeonju University)
  • 박종우 ((주)제이앤지) ;
  • 이상훈 (전주비전대학 신재생에너지과) ;
  • 조성환 (전주대학교 기계자동차공학과)
  • Published : 2008.11.21


The present study has been conducted economic analysis of heat storage type ground source heat pump system(HSGSHP) and normal ground source heat pump (GSHP) which are installed at the same building in the shared an apartment house. Cost items, such as initial cost, annual energy cost and maintenance cost of each system are considered to analyze life cycle cost (LCC) and simple payback period (SPP) with initial cost different are compared. The initial cost is a rule to the Government basic unit cost of production. LCC applied present value method is used to assess economical profit of both of them. Variables used to LCC analysis are prices escalation rate and interest rate mean values of during latest 10 years. The LCC result shows that HSGSHP (1,050,910,000won) is more profitable than GSHP by 68.9% initial cost. And SPP appeared 3.0 year overcome the different initial cost by different annual energy cost.