摘要：This paper presents an energy performance of residential
building (two – family building) located in Poznan. Both apartments were
analysed separately. By using a method of energy performance calculations
valid in Poland, a theoretical energy performance had been prepared. The
calculations were conducted assuming real changeability of climatic data in
years: 2010–2017. The real energy performance was prepared based on
actual gas consumption for the purpose of heating and domestic hot water
preparation (DHW) within the years of measurements taken, being a subject
of analysis. The findings from this study revealed that a theoretical energy
performance significantly deviates from the results obtained by means of
energy consumption measurements, which resulted from variability of basic
climatic data over time and also from theoretical usage profile of the
apartments.
其他摘要：This paper presents an energy performance of residential building (two – family building) located in Poznan. Both apartments were analysed separately. By using a method of energy performance calculations valid in Poland, a theoretical energy performance had been prepared. The calculations were conducted assuming real changeability of climatic data in years: 2010–2017. The real energy performance was prepared based on actual gas consumption for the purpose of heating and domestic hot water preparation (DHW) within the years of measurements taken, being a subject of analysis. The findings from this study revealed that a theoretical energy performance significantly deviates from the results obtained by means of energy consumption measurements, which resulted from variability of basic climatic data over time and also from theoretical usage profile of the apartments.
