Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China

The full exploration of the energy-saving potential during the operation of buildings is an essential aspect of energy-efficiency retrofitting for existing residential buildings. Setting reasonable energy consumption quotas can promote the improvement of energy efficiency. The energy benchmark is on...

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Main Authors: Haijing Huang, Kedi Zhu, Xi Lin
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Buildings
Subjects:
Online Access:https://www.mdpi.com/2075-5309/13/5/1346
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author Haijing Huang
Kedi Zhu
Xi Lin
author_facet Haijing Huang
Kedi Zhu
Xi Lin
author_sort Haijing Huang
collection DOAJ
description The full exploration of the energy-saving potential during the operation of buildings is an essential aspect of energy-efficiency retrofitting for existing residential buildings. Setting reasonable energy consumption quotas can promote the improvement of energy efficiency. The energy benchmark is one of the energy consumption quotas, which represents the general energy consumption level of similar buildings and serves as the energy-saving goal for high-energy-consuming buildings. This study aims to classify existing residential buildings based on their forms and actual energy consumption data and to set energy benchmarks for each building type. Taking typical existing residential buildings built before 2000 in Chongqing, a city in southwestern China, as an example, from the perspective of building typology, the study classified residential buildings into four types and determined the energy benchmarks. Then, energy-efficiency retrofitting measure evaluation and potential analysis were carried out for each type. The study shows that energy for cooling and heating accounts for a high proportion of energy use in existing residential buildings. The energy consumption of residential buildings is greatly affected by orientation and floor area. Point-like buildings with smaller areas facing west have higher energy benchmarks, while slab-like buildings with larger south-facing areas have lower energy benchmarks. The results and methods of the study can provide a basis for the formulation of energy benchmarks for residential buildings, as well as regional energy analysis, energy-saving potential prediction, and energy-saving measure evaluation.
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spelling doaj.art-0f578ec4b57044a8bfee6fa7b0528f882023-11-18T00:46:59ZengMDPI AGBuildings2075-53092023-05-01135134610.3390/buildings13051346Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, ChinaHaijing Huang0Kedi Zhu1Xi Lin2School of Architecture and Urban Planning, Chongqing University, Chongqing 400030, ChinaSchool of Architecture and Urban Planning, Chongqing University, Chongqing 400030, ChinaSchool of Architecture and Urban Planning, Chongqing University, Chongqing 400030, ChinaThe full exploration of the energy-saving potential during the operation of buildings is an essential aspect of energy-efficiency retrofitting for existing residential buildings. Setting reasonable energy consumption quotas can promote the improvement of energy efficiency. The energy benchmark is one of the energy consumption quotas, which represents the general energy consumption level of similar buildings and serves as the energy-saving goal for high-energy-consuming buildings. This study aims to classify existing residential buildings based on their forms and actual energy consumption data and to set energy benchmarks for each building type. Taking typical existing residential buildings built before 2000 in Chongqing, a city in southwestern China, as an example, from the perspective of building typology, the study classified residential buildings into four types and determined the energy benchmarks. Then, energy-efficiency retrofitting measure evaluation and potential analysis were carried out for each type. The study shows that energy for cooling and heating accounts for a high proportion of energy use in existing residential buildings. The energy consumption of residential buildings is greatly affected by orientation and floor area. Point-like buildings with smaller areas facing west have higher energy benchmarks, while slab-like buildings with larger south-facing areas have lower energy benchmarks. The results and methods of the study can provide a basis for the formulation of energy benchmarks for residential buildings, as well as regional energy analysis, energy-saving potential prediction, and energy-saving measure evaluation.https://www.mdpi.com/2075-5309/13/5/1346residential buildingsenergy benchmarkarchitecture archetypeenergy-efficiency retrofitting
spellingShingle Haijing Huang
Kedi Zhu
Xi Lin
Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China
Buildings
residential buildings
energy benchmark
architecture archetype
energy-efficiency retrofitting
title Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China
title_full Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China
title_fullStr Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China
title_full_unstemmed Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China
title_short Research on Formulating Energy Benchmarks for Various Types of Existing Residential Buildings from the Perspective of Typology: A Case Study of Chongqing, China
title_sort research on formulating energy benchmarks for various types of existing residential buildings from the perspective of typology a case study of chongqing china
topic residential buildings
energy benchmark
architecture archetype
energy-efficiency retrofitting
url https://www.mdpi.com/2075-5309/13/5/1346
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