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Smart windows could be the next big thing in renewable heating

By Anurag Roy, Postdoctoral Research Fellow in Engineering, University of Exeter

World energy demand is continuing to soar as cities grow, technology advances and industries develop. Buildings make up about 30%-40% of the total – even more than industry or transport. This comes largely from heating, cooling and ventilation systems, with air conditioning especially energy-hungry.

Windows are a significant part of the problem. They allow heat to escape in winter and enter in summer, forcing temperature systems…

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