The influence of energy conservation on the performance of solar thermal systems - A cold country case study

Jörgen Wallin*, Diane Bastien, Joachim Claesson

*Corresponding author for this work

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

The European Union has set a goal that the energy use in the built environment shall be reduced by 41 % to the year 2050 compared to 2005-2006. This could introduce new opportunities for solar thermal systems in cold countries. In such countries, like Sweden and Canada, the economy in solar thermal collector installation projects is often spoiled by the fact that most of heating energy demand of the building occurs during periods when the available solar energy is low. The present paper investigates the performance of solar thermal systems subjected to different quota between space heating and domestic hot water demand (DHW). This study investigates the performance of a solar thermal system integrated to four different buildings with varying heating loads in two different locations, Sweden and Canada. Models of single family houses are created which are able to simulate the total heating demand with different heating demand profiles but the same DHW demand. Simulations are performed in TRNSYS, an advanced tool used to simulate transient systems. Results indicate that solar combisystems tend to generate more useful energy and therefore be more cost effective when installed in buildings with higher heating demands.

Original languageEnglish
JournalEnergy Procedia
Volume30
Pages (from-to)1069-1078
ISSN1876-6102
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event1st International Conference on Solar Heating and Cooling for Buildings and Industry, SHC 2012 - San Francisco, CA, United States
Duration: 9. Jul 201211. Jul 2012

Conference

Conference1st International Conference on Solar Heating and Cooling for Buildings and Industry, SHC 2012
CountryUnited States
CitySan Francisco, CA
Period09/07/201211/07/2012

Keywords

  • Economical opportunity
  • Energy conservation
  • Solar thermal collector

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