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Title: Effect of location specific climatic diversities on comfort and energy consumption: A study on India's composite climate zone
Authors: Rijildas T.V.
Rajasekar, Elangovan
Nicol F.
Roaf S.
Brotas L.
Humphreys M.A.
Published in: Proceedings of 9th International Windsor Conference 2016: Making Comfort Relevant
Abstract: This paper deals with climate severity variations experienced within the composite climate of India and its impact on comfort and energy consumption in residential buildings. We carried out a statistical clustering analysis of climate data for 20 different urban centres within this climate. A statistically significant difference in thermal severity was found between these locations. Adaptive thermal comfort criteria at these locations were evaluated based on seasonal average outdoor temperatures (Tout) and running mean outdoor temperatures (Trm) and the desirable indoor comfort band width was established. A typical residential base case model complying with national standards was simulated using Energy Plus software tool. Thermal performance variations in the base case as a result of location specific climate severities was analysed and its impact on the associated heating and cooling energy costs have been presented. Variances in the sensitivity of building envelope thermo-physical properties based on their impact on comfort and energy use between these locations was analysed. Life cycle costs associated with optimum retrofit strategies and differences in the cost-benefits among these locations have been presented. The findings highlight the advantages of envelope benchmarks which would include location specific performance and cost-benefit aspects over the existing climate zone wise benchmarks. © 2016 NCEUB. All rights reserved.
Citation: Proceedings of 9th International Windsor Conference 2016: Making Comfort Relevant, (2016), 699- 712
Issue Date: 2016
Publisher: NCEUB 2016
Keywords: Climate diversity
Atmospheric temperature
Cost benefit analysis
Life cycle
Space heating
Adaptive thermal comfort
Outdoor temperature
Residential building
Retrofit strategies
Statistical clustering
Statistically significant difference
Thermal Performance
Thermo-physical property
Energy utilization
ISBN: 9.78E+12
Author Scopus IDs: 57218452352
Author Affiliations: Rijildas, T.V., Department of Architecture and Planning, IIT Roorkee, India
Rajasekar, E., Department of Architecture and Planning, IIT Roorkee, India
Corresponding Author: Rijildas, T.V.; Department of Architecture and Planning, IIT RoorkeeIndia; email:
Appears in Collections:Conference Publications [AR]

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