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Sustainability 2017, 9(5), 731;

Impact of Window Films on the Overall Energy Consumption of Existing UK Hotel Buildings

Department of Civil and Environmental Engineering, School of Computing and Engineering, University of West London, London W5 5RF, UK
The Chartered Institution of Building Services Engineers (CIBSE), London SW12 9BS, UK
Hilton, Maple Court, Reeds Crescent, Watford WD244QQ, UK
Author to whom correspondence should be addressed.
Academic Editor: Marc A. Rosen
Received: 20 March 2017 / Revised: 11 April 2017 / Accepted: 27 April 2017 / Published: 2 May 2017
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Recently, considerable attention has justifiably been directed towards energy savings in buildings as they account for up to 20–40% of total energy consumption in developed countries. In the United Kingdom, studies have revealed that buildings’ CO2 emissions for account for at least 43% of total emissions. Window panels are a major component of the building fabric with considerable influence on the façade energy performance and are accountable for up to 60% of a building’s overall energy loss. Therefore, the thermal performance of glazing materials is an important issue within the built environment. This work evaluates the impact of solar window films on the overall energy consumption of an existing commercial building via the use of a case study U.K. hotel and TAS dynamic simulation software. The study results demonstrated that the impact of window films on the overall energy consumption of the case study hotel is approximately 2%. However, an evaluation of various overall energy consumption components showed that the window films reduce the annual total cooling energy consumption by up to 35% along with a marginal 2% increase in the annual total heating energy consumption. They can also provide overall cost and CO2 emissions savings of up to 3%. View Full-Text
Keywords: energy consumption; window films; building simulation energy consumption; window films; building simulation

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Bahadori-Jahromi, A.; Rotimi, A.; Mylona, A.; Godfrey, P.; Cook, D. Impact of Window Films on the Overall Energy Consumption of Existing UK Hotel Buildings. Sustainability 2017, 9, 731.

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