Analysis of Indoor Formaldehyde Pollution in Mechanical Fresh Air System Residential Buildings in Liaoning Area in Winter

  • Kailiang Huang
  • Wen SunEmail author
  • Guohui Feng
  • Jiasen Song
  • Jun Wang
Conference paper
Part of the Environmental Science and Engineering book series (ESE)


The conditions for opening windows in winter in Liaoning area are limited, and ventilation is an effective mean to solve the problem of excessive formaldehyde concentration in indoors. In order to analyze the status of formaldehyde pollution in the winter of mechanical fresh air system residential buildings, 8 households with fresh air system in Liaoning area were selected to obtain indoor formaldehyde concentration changes by using formaldehyde indoor detection on typical meteorological days and long-term dynamic online monitoring in winter. According to the analysis of the indoor measured data under the closed condition and the mechanical ventilation condition and long-term online monitoring data of the 8 households with mechanical fresh air system, it is found that the indoor formaldehyde concentration can be reduced to some extent by opening the fresh air system. Compared with the macroscopic effect of 21 naturally ventilated houses tested in the same way, the average indoor formaldehyde concentration of the houses using mechanical fresh air system was 14.3% lower, providing a reference for the winter ventilation mode in Liaoning area.


Indoor air quality Mechanical ventilation Formaldehyde Measured analysis 



The research is supported by the National Natural Science Foundation-Youth Fund. The basic research on heat utilization of building integrated fresh air system in winter based on solar air phase change heat storage (Number 51708365). And the research is also supported by the Shenyang Young and Middle-aged Science and Technology Innovation Talent Support Program. The basic research on building integrated fresh air system based on PCTS-SA (Number SHSCXRC2017003).

Permissions Appropriate permissions from house owners were obtained for study in household.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Kailiang Huang
    • 1
  • Wen Sun
    • 1
    Email author
  • Guohui Feng
    • 1
  • Jiasen Song
    • 1
  • Jun Wang
    • 1
  1. 1.School of Municipal and Environmental EngineeringShenyang Jianzhu UniversityShenyangChina

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