Widespread use of air-conditioning feels the heat

Every summer as the mercury rises, the debate over air-conditioning heats up. Critics of A/C units claim they waste energy and actually create more heat than cool ? exacerbating the problem they are meant to fix.

Source: http://www.guelphmercury.com/opinion/columns/article/783683--widespread-use-of-air-conditioning-feels-the-heat

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