The Analysis and Validation of the Measured Heating Energy Consumption of a Single-Family Residential Passive House in Lithuania

Rimvydas Adomaitis, Kęstutis Valančius and Giedrė Streckienė ()
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Rimvydas Adomaitis: Lithuanian Energy Institute, LT-44403 Kaunas, Lithuania
Kęstutis Valančius: Department of Building Energetics, Vilnius Gediminas Technical University, LT-10223 Vilnius, Lithuania
Giedrė Streckienė: Department of Building Energetics, Vilnius Gediminas Technical University, LT-10223 Vilnius, Lithuania

Sustainability, 2024, vol. 16, issue 24, 1-25

Abstract: To build a sustainable building, we need to assess a range of sustainability aspects and design them correctly, which is why building performance simulation (BPS) at an early stage of project development is critical and relevant for many professionals. This paper presents an extended analysis of the monitoring results of the first single-family Passive House (LT-PH3) in Vilnius, Lithuania, certified by the German Passive House Institute in 2015 for 2016–2020. It was based on measured data on heat pump electricity consumption and outdoor and indoor air temperature. This study evaluated the seasonal performance (SCOP) of the heat pump using the Passive House Design Package 8.5 (PHPP 8.5) and Aquarea Designer Online Simulation Software Tool 2013 (Aquarea 2013) and compared the performance of the building with the PHPP 8.5 designed in 2013 and Swegon ESBO Light 2.4.0.3 (Swegon 2.4.0.3), Aquarea 2013, and the results obtained using the Lithuanian National Building Energy Performance Certification Programme NRGsert edition 3 (NRGsert 3). The analysis showed that the heat consumption of the building modelled during the design process is close to the operational heat consumption, which increases the confidence in the BPS modelling software, the modelling process itself, and the results.

Keywords: passive house; sustainable design; long-term monitoring; building performance simulation; validation; heat energy consumption (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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