Measuring the right factors: A review of variables and models for thermal comfort and indoor air quality

Nan Ma, Dorit Aviv, Hongshan Guo and William W. Braham

Renewable and Sustainable Energy Reviews, 2021, vol. 135, issue C

Abstract: The indoor environment directly affects health and comfort as humans spend most of the day indoors. However, improperly controlled ventilation systems can expend unnecessary energy and increase health risks, while improved thermal and air quality can often result in higher energy consumption. One way to approach this dilemma is by understanding the effectiveness of the variables influencing indoor air quality (IAQ) related health and comfort. The objective of this paper is to highlight evidence and variables from empirical and deterministic models, which are combined in analytical models that current machine learning techniques often overlook. This paper reviews the analytical models and identifies the corresponding input variables, discussing their application in models based on artificial neural networks (ANNs) and reinforcement learning (RL). ANN and RL models have accurately described non-linear systems with uncertain dynamics and provided predictive and adaptive control strategies. The first part of this study focuses on the most common thermal comfort models and their variables, mainly related to steady-state and adaptive models. The second part reviews typical models of determining indoor air pollutants and their relationship with ventilation requirements and health effects. Forty-five works closely related to the field are summarized in multiple tables. The last part identifies the factors needed to predict thermal comfort and IAQ.

Keywords: Indoor air quality; Thermal comfort; Health; Building control; Ventilation system; Energy efficiency; Neural network; Reinforcement learning (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (18)

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DOI: 10.1016/j.rser.2020.110436

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