Abstract
This article analyzed the impact of the structural characteristics of old apartment buildings on actual energy consumption. The authors reviewed energy consumption in existing apartment buildings in Voronezh in order to determine the need for major repairs and energy efficiency. For this purpose, a comparative analysis of energy consumption in old apartment buildings and in new ones built in accordance with the current regulations was carried out. Three indicators of energy consumption were considered for analysis: total energy consumption by the end-user, heating of premises and electricity consumption depending on the year of construction of apartment buildings. The characteristics considered were used to quantify energy consumption (heating and power supply). Due to the results obtained, a statistical analysis of energy consumption in old apartment buildings and in new ones was carried out. It was noted that old apartment buildings consume more energy than those built at a late stage, in accordance with the current regulatory framework. The results can be useful in identifying priority elements of the building that will help to effectively reduce energy consumption during major repairs and classify existing residential buildings to build energy models.
Highlights
Today, multi-story residential buildings are among the most dominant housing types worldwide
Four parameters were taken into account for the selection of residential buildings: year of construction; number of floors; availability of data on energy consumption, structural material
None of the buildings built between 2003 and 2015 consumed more than average for heating. These results show that apartment buildings built after 2003 were able to effectively reduce energy consumption for heating
Summary
Multi-story residential buildings are among the most dominant housing types worldwide. According to the Ministry of Natural Resources, the Russian Federation ranks 4th in the world in terms of carbon dioxide emissions [1] To solve this problem, measures are being taken to reduce Greenhouse gas emissions by improving and adjusting the regulatory framework and upgrading old dilapidated housing. Measures are being taken to reduce Greenhouse gas emissions by improving and adjusting the regulatory framework and upgrading old dilapidated housing This is due to the fact that old residential buildings do not meet energy-efficient requirements and were built in accordance with outdated building standards. From October 1, 2003, instead of the outdates SNiP II-3-79 "Thermal Protection of Buildings" was put into effect a new SNiP II-3-79 "Construction Heat Engineering" These standards provided for the introduction of new energy efficiency indicators in the design, construction and operation of buildings. Despite the introduction of new building codes, energy consumption in residential buildings has not decreased and CO2 emissions have not decreased
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