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The Demand Expectation of Heating & Cooling Energy in Buildings According to Climate Warming  

Kim, Ji-Hye (Dept. of Architectural Engineering, Graduate School, Inha University)
Suh, Seung-Jik (Dept. of Architectural Engineering, Inha University)
Publication Information
Journal of the Korean Solar Energy Society / v.26, no.3, 2006 , pp. 119-125 More about this Journal
Abstract
The impacts of climate changes on building energy demand were investigated by means of the degree-days method. Future trends for the 21st century was assessed based on climate change scenarios with 7 global climate models(GCMs). We constructed hourly weather data from monthly temperatures by Trnsys 16. A procedure to estimate heating degree-days (HDD) and cooling degree-days (CDD) from monthly temperature data was developed and applied to three scenarios for Inchon. In the period 1995-2080, HDD would fall by up to 70%. A significant increase in cooling energy demand was found to occur between 1995-2004(70% based on CDD). During 1995-2080, CDD would Increase by up to 120%. Our analysis shows widely varying shifts in future energy demand depending on season. Heating costs in winter will significantly decrease whereas more expensive electrical cooling energy will be needed.
Keywords
climate scenarios; degree-day method; building energy demand;
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