In search of the comfortable indoor environment: A comparison of the utility of objective and subjective indicators of indoor comfort |
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Authors: | Niklas Fransson,Daniel Vä stfjä ll,Jennie Skoog |
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Affiliation: | 1. Building Services Engineering, Department of Energy and Environment, Chalmers University of Technology, Gothenburg, Sweden;2. Department of Psychology, Göteborg University, Sweeden;3. Division of Applied Acoustics, Chalmers University of Technology, Gothenburg, Sweden |
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Abstract: | Today, many procedures for assessing the indoor environment rely on both subjective and objective indicators (e.g. ANSI/ASHRAE 55-2004; ISO 10551). It is however unclear how these two types of measurements are related to perceived comfort. This article aims at assessing the relative utility of subjective (rating scale measures) and objective indicators of perceived comfort of indoor environments. In a hospital setting, physical environmental variables (e.g. temperature, relative humidity and noise level) were simultaneously measured as respondents (both patients and staff) rated their perception of the indoor environment. Regression analyses indicated that the subjective sensory ratings were significantly better than objective indicators at predicting overall rated indoor comfort. These results are discussed in relation to existing measurement procedures and standards. |
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Keywords: | Comfort Subjective and objective indicators Hospital Indoor environment |
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