Indoor plants’ effect on occupants’ performance, perceived comfort, and affect in an open-plan space in composite climatic regions, India

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dc.contributor.authorBudaniya, Mukeshen
dc.contributor.authorMishra, Asit Kumaren
dc.contributor.authorRai, Aakash C.en
dc.contributor.authorDasgupta, M. S.en
dc.contributor.funderHorizon 2020en
dc.contributor.funderGovernment of Indiaen
dc.date.accessioned2025-03-07T12:44:32Z
dc.date.available2025-03-07T12:44:32Z
dc.date.issued2025en
dc.description.abstractBiophilic designs with indoor plants are being increasingly recognized for their potential to enhance indoor environmental quality (IEQ) and occupant satisfaction. This can contribute to sustainable and green buildings. However, evidence on the specific benefits of indoor plants remains ambiguous. Particularly, for the buildings in India, there is dearth of evidence of the impact of plants on occupants. We conducted a between-subjects study, with (WP) and without plants (WoP), to investigate effect of indoor plants on Indian building occupants in the composite climatic region of India. Subjective questionnaires queried participants’ indoor climate perception, sick building syndrome (SBS) symptoms, emotional state, self-assessed performance, and overall satisfaction with the space. Participants undertook a cognitive task targeting working memory (Operations Span). Air quality perception, SBS symptoms, and subjectively and objectively assessed performance did not differ significantly between WP and WoP groups. The WP group perceived the space to be better decorated (|r|, effect size = 0.42, p <0.0001), cleaner (|r| = 0.16, p = 0.04), visually more comfortable (|r| = 0.22, p = 0.01), and cooler (r = 0.18, p =0.02). The WP group also had enhanced positive emotions (|r| = 0.21 to 0.45, p < 0.0001 to 0.02) and reduced negative emotions (r = 0.18, p = 0.02). Our findings indicated that potted plants improved occupant perception of indoor environment and can potentially lower cooling energy use by over 8 %.en
dc.description.sponsorshipGovernment of India (Grant no. ECR/2018/000330)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid112785en
dc.identifier.citationBudaniya, M., Mishra, A.K., Rai, A.C. and Dasgupta, M.S. (2025) ‘Indoor plants’ effect on occupants’ performance, perceived comfort, and affect in an open-plan space in composite climatic regions, India’, Building and Environment, 274, 112785 (11pp). https://doi.org/10.1016/j.buildenv.2025.112785en
dc.identifier.doihttps://doi.org/10.1016/j.buildenv.2025.112785en
dc.identifier.endpage11en
dc.identifier.issn0360-1323en
dc.identifier.journaltitleBuilding and Environmenten
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/17157
dc.identifier.volume274en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::MSCA-COFUND-FP/101034345/EU/DevelOp interdisciplinaRy apprOaches to healTH crises collaborativelY’/DOROTHYen
dc.rights© 2025, the Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license ( http://creativecommons.org/licenses/by/4.0/ ).en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectIndoor plantsen
dc.subjectOccupant perceptionen
dc.subjectIndoor air qualityen
dc.subjectThermal comforten
dc.subjectBetween-subjectsen
dc.titleIndoor plants’ effect on occupants’ performance, perceived comfort, and affect in an open-plan space in composite climatic regions, Indiaen
dc.typeArticle (peer-reviewed)en
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