THERMAL SCIENCE

International Scientific Journal

Norbert Harmathy

,

Danijela Urbancl

,

Darko Goričanec

,

Zoltán Magyar

ENERGY EFFICIENCY AND ECONOMIC ANALYSIS OF RETROFIT MEASURES FOR SINGLE-FAMILY RESIDENTIAL BUILDINGS

ABSTRACT
The research elaborates various solutions using detailed economic evaluation and energy efficiency calculation and simulation technology for formulating applicable, energy and cost-efficient retrofit solutions of single-family residential buildings located in temperate climate areas. Primarily the annual energy demand for a reference existing single-family residential building was determined. The economic analysis was performed for six formulated refurbishment scenarios in order to determine which of the scenarios will demonstrate optimal performance both in energy and cost efficiency. A feasibility study was performed for the most efficient scenario, which included an economic evaluation of low temperature radiant heating systems were three energy suppliers (oil, natural gas and electricity for air to water heat pump) were compared. According to financial analyses the optimal scenario includes the replacement of windows, installation of 15 cm expanded polystyrene thermal insulation, low temperature radiant floor heating, with a payback period of ten years.
KEYWORDS
energy performance simulation, economic evaluation, energyplus, energy demands analysis, energy efficient retrofit
PAPER SUBMITTED: 2017-05-18
PAPER REVISED: 2017-12-07
PAPER ACCEPTED: 2017-12-11
PUBLISHED ONLINE: 2018-01-07
DOI REFERENCE: https://doi.org/10.2298/TSCI170518298H
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2019, VOLUME 23, ISSUE Issue 3, PAGES [2071 - 2084]
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Energy efficiency and economic analysis of retrofit measures for single-family residential buildings

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence