Smart windows can save up to 40% on heating and cooling costs in commercial buildings and high-rise residence towers.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/self-powered-smart-windows-make-their-own-electricity
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/clean-technica
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electricity
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/renewable-energy