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Kęstutis Valančius, Vilūnė Lapinskienė
Heat gains utilisation and system efficiency influence to the heat demand of a building heating
| Conference Information: |
9th International Conference on Environmental
Engineering, MAY 22-24, 2014 Vilnius, LITHUANIA |
| Source: |
ICEE-2011 - International Conference on Environmental
Engineering |
| Book Series: |
International Conference on Environmental Engineering
(ICEE) Selected papers |
| ISSN: |
ISSN 2029-7092 online |
| ISBN: |
978-609-457-640-9 / 978-609-457-690-4 CD |
| Year: |
2014 |
| Publisher: |
Vilnius Gediminas Technical University Press Technika |
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Abstract
Experience shows that often theoretical heat demand and real building heat use varies, and in some cases a significant percentage. This
can be explained by the fact that the identification methods of rooms’ heat demand are inaccurate or incorrect use. One issue for
discussion is the building's heat gain use size of the overall balance of the building's energy needs. Currently, both legal instruments and
computer tools take the heat gains use 100% or nearly for building heat needs to cover what in the real building is almost impossible to
achieve because of heating system efficiency.
Keywords: heat gain utilization; building; heating; demand.
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