How the sky can help make air conditioners at least 20% more efficient

INTERNATIONAL

Could the new invention spell the end of rooftop fans? Christophe Finot/Wikimedia Commons,
Could the new invention spell the end of rooftop fans? Christophe Finot/Wikimedia Commons, [[http://creativecommons.org/licenses/by-sa/4.0/ CC BY-SA]]</span>Specially designed fluid-filled roof panels can help make air conditioning significantly more efficient, according to new research.
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