Geometric Aspects of Assessing the Anticipated Energy Demand of a Designed Single-Family House

Edwin Koźniewski, Beata Sadowska and Karolina Banaszak
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Edwin Koźniewski: Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska Street 45E, 15-351 Bialystok, Poland
Beata Sadowska: Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska Street 45E, 15-351 Bialystok, Poland
Karolina Banaszak: Faculty of Building Services, Hydro and Environmental Engineering, Warsaw University of Technology, Nowowiejska Street 20, 00-663 Warszawa, Poland

Energies, 2022, vol. 15, issue 9, 1-21

Abstract: Many factors affect energy demand, and knowing their impact is very important for being able to design a low-energy building. In this group of factors, there are those that cannot be changed and improved after the building is constructed, so taking them into account when choosing a project is important for energy savings. This group includes geometric parameters. We propose a geometric method of assessing the energy demand of a single-family house. The idea is to predict the level of energy demand by calculating the values of simple geometric parameters in the first stage of design. Based on the analysis of 30 realistically designed single-family houses, we show that the geometric indicators expressed by the base area A f , and perimeter P at a fixed building wall height h , perfectly characterize the amount of energy, both usable and final. Moreover, we show linear relationships between the nominated A / V and non-nominated EWA / FA , RC cd compactness ratios. This relationship allows one indicator to be measured with another. As a result, we show how a designer can use a simple calculated index RC cd to find out the level of energy demand.

Keywords: index of annual energy demand; compactness indicator; correlation; geometric efficiency of a building (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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