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Energy Consumption of Apartment Conversion into Passive Houses in Hot-Summer and Cold-Winter Regions of China

Author(s):
ORCID


ORCID



Medium: journal article
Language(s): English
Published in: Buildings, , n. 1, v. 13
Page(s): 168
DOI: 10.3390/buildings13010168
Abstract:

Passive houses have strong thermal insulation and airtightness of doors and windows, and they are generally used in cold climates. This case study aims to evaluate the energy-saving potential of this technology in the hot-summer and cold-winter areas (Cf in Köppen climate classification) of China. The results show that after enhancing the thermal insulation and airtightness, the energy consumption in winter significantly decreased by 62% overall. However, the energy consumption of cooling in the transition season and summer increased, which is caused by overheating. Hybrid ventilative cooling and shading can solve this problem. In particular, when the indoor temperature range is set to the adaptive thermal comfort of natural ventilation, the energy consumption from air conditioner cooling can be greatly reduced by 81% overall. Passive houses combined with ventilative cooling has significant application value in this climate zone.

Copyright: © 2023 by the authors; licensee MDPI, Basel, Switzerland.
License:

This creative work has been published under the Creative Commons Attribution 4.0 International (CC-BY 4.0) license which allows copying, and redistribution as well as adaptation of the original work provided appropriate credit is given to the original author and the conditions of the license are met.

Structure Types

  • About this
    data sheet
  • Reference-ID
    10712300
  • Published on:
    21/03/2023
  • Last updated on:
    10/05/2023
 
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