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RESULTS OF LONG-TERM ENERGY EFFICIENCY MONITORING OF TEST BUILDINGS UNDER REAL CLIMATIC CONDITIONS

Gendelis, S.; Jakovics, A.; Ratnieks, J.
Abstract:
The calculated energy efficiency and specified physical properties of building materials may change significantly during the initial years of a building’s operation under real climatic conditions. Five small test buildings with different wall assemblies were built in Riga, Latvia to compare different building construction characteristics under Latvian climate conditions. The heating energy consumption, thermal transmittance, air relative humidity and other important energy efficiency and environmental parameters have been monitored since late 2012 when the test buildings were constructed. Changes in characteristics have been observed and widely analysed. The monitoring results show significant differences in the initial moisture content of building materials and in U-value, and therefore, heating energy consumption and comfort conditions in the buildings. The differences between calculated and measured values are remarkable, even after two heating seasons. Parallel to the research on energy efficiency during heating seasons, an overheating risk analysis for the buildings during summer was also performed, showing the role of thermal mass on thermal comfort. An analysis of measurements made under real climatic conditions allows consideration for the difference in calculated and actual properties, for an estimation of the buildings’ real energy efficiency.
SGEM Research areas:
Year:
2017
Type of Publication:
In Proceedings
Keywords:
test buildings; energy efficiency; real climatic conditions; U-value; overheating.
Volume:
17
SGEM Book title:
17th International Multidisciplinary Scientific GeoConference SGEM 2017
Book number:
63
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
643-650
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
27 – 29 November, 2017
ISBN:
978-619-7408-29-4
ISSN:
1314-2704
Conference:
17th International Multidisciplinary Scientific GeoConference SGEM 2017, 27 – 29 November, 2017
DOI:
10.5593/sgem2017H/63/S26.081
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