Effect of Indoor Environment on Occupant Air Comfort and Productivity in Office Buildings: A Response Surface Analysis Approach

Kaushik, Aditya; Arif, Mohammed; Syal, Matt; Rana, Muhammad Qasim; Oladinrin, Olugbenga Timo; Sharif, Ahlam Ammar; Alshdiefat, Ala’a Saleh

doi:10.3390/su142315719

Cited by 5 publications

(3 citation statements)

References 77 publications

(118 reference statements)

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“…Although the impact of indoor plants on CO 2 concentration and indoor air temperature was not significant in this study, we acknowledge the additional psychological benefits of indoor plants. There is a growing body of research that suggests the presence of plants in the office space can enhance mental well-being, reduce stress, and improve concentration and productivity [ 65 – 67 ]. The incorporation of plants within offices could thus serve dual purposes; not only potentially aiding in maintaining relative humidity but also in fostering a more conducive and healthier workspace for employees.…”

Section: Discussionmentioning

confidence: 99%

Effects of indoor plants on CO2 concentration, indoor air temperature and relative humidity in office buildings

Jiang,

Irga,

Coe

et al. 2024

PLoS ONE

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This experimental study investigates the influence of indoor plants on three aspects of air quality in office spaces: relative humidity, indoor air temperature, and carbon dioxide concentration. Employing a Latin square design, we rotated three different treatments across three offices over six time periods. These treatments included a control (no plants), a low-volume treatment (five plants), and a high-volume treatment (eighteen plants) of Nephrolepis exaltata (Boston fern). Air quality parameters were continuously monitored at five-minute intervals using Trace Gas Analyzers. Generalised linear mixed modelling (GLMM) was employed to examine the effect of each treatment on relative humidity, indoor air temperature and CO2 concentration. We observed a significant positive correlation between the number of indoor plants and relative humidity levels. In offices without any plants, the median relative humidity was 29.1%. This increased to 38.9% in offices with 5 plants and further to 49.2% in offices with 18 plants. However, we did not find significant associations between the number of indoor plants and indoor air temperature or corrected CO2 concentration. Our research provides support for the use of indoor plants to increase relative humidity, which can have health benefits in dry climates, but does not provide support for using indoor plants to regulate indoor air temperatures or CO2 concentration in office environments.

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Section: Discussionmentioning

confidence: 99%

Effects of indoor plants on CO2 concentration, indoor air temperature and relative humidity in office buildings

Jiang,

Irga,

Coe

et al. 2024

PLoS ONE

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“…The thermal comfort of occupants is significantly associated with the indoor air temperature, lighting, ventilation, and relative humidity of the buildings [10]. These variables hinder the occupants' health and well-being, and the ability to focus on their work.…”

Section: Literature Studiesmentioning

confidence: 99%

Enhancing Occupants’ Thermal Comfort in Buildings by Applying Solar-Powered Techniques

et al. 2023

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As most people spend their days indoors, it is indeed important that buildings provide residents with a higher standard of health, convenience, and safety. As a result, many practices are implemented into buildings to improve the comfort of occupants, particularly thermal comfort; nevertheless, the energy required to run and maintain these applications is a significant constraint. Renewable energy sources offer alternative solutions to energy demand problems, and selecting the best renewable energy sources is crucial. In this article, we examine the health and well-being advantages to the occupants, as well as the surrounding environment, of a variety of novel strategies that may be integrated into buildings to increase occupants’ thermal comfort for conventional practices using solar power. The key discoveries explored in this article include daylighting, passive ventilation, thermal applications, cooling applications, and power generation. For this, the information was gathered by a systematic review of the relevant prior literature. In addition, the detrimental effects of existing practices on the health and well-being of residents and the environment are included. While there are still some practical obstacles to overcome in the extraction of solar energy, the technology exists. Potential future obstacles to the broad acceptance and usage of solar energy systems in buildings are highlighted, as well as possible solutions.

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“…These are all physiological stressors. When the human body is under the above stressors, the body will judge whether the current environment meets its own needs, and then make different cognitive evaluations [4][5]. If a comfortable environment meets the body's needs, the body will make a positive cognitive evaluation and generate positive emotions, and vice versa, it will make a negative evaluation and generate negative emotions.…”

Section: Introductionmentioning

confidence: 99%

Artificial Intelligence-Based Comfort Assessment and Simulation of Architectural Sound Environments

Wang,

Zhang

2024

Applied Mathematics and Nonlinear Sciences

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This paper determines the influencing factors of architectural acoustic environment comfort assessment from the perspective of green building acoustic environment comfort, and constructs a two-by-two comparison judgment matrix for each questionnaire survey result. Through the consistency test of the judgment matrix, the weights of the factors influencing the comfort of the building sound environment are obtained, and the construction of the assessment model of the comfort of the building sound environment is completed. Based on the architectural acoustic environment comfort assessment model, optimization variables are selected and multi-objective optimization is used to determine the objective function and constraints of architectural acoustic environment comfort. The comfort of the acoustic environment of the campus building is evaluated and analyzed through simulation analysis. The results show that the two measurement points, point 8 and point 15, located on the north side of the library and information building and the center courtyard, respectively, have relatively low continuous sound pressure levels L eq of 51.7 dB and 44.4 dB, respectively, which are relatively favorable for the creation of a comfortable acoustic environment. Improving the building arrangement through the multi-objective optimization method under the acoustic environment assessment model can provide good environmental protection for people’s daily lives and work.

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Effect of Indoor Environment on Occupant Air Comfort and Productivity in Office Buildings: A Response Surface Analysis Approach

Cited by 5 publications

References 77 publications

Effects of indoor plants on CO2 concentration, indoor air temperature and relative humidity in office buildings

Effects of indoor plants on CO2 concentration, indoor air temperature and relative humidity in office buildings

Enhancing Occupants’ Thermal Comfort in Buildings by Applying Solar-Powered Techniques

Artificial Intelligence-Based Comfort Assessment and Simulation of Architectural Sound Environments

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