Some homeowners continue to believe that a single energy-saving product — such as radiant barriers or an attic fan — can significantly reduce their energy use, reports ACHR News. Not so: As many construction professionals know, houses are too complicated for one product to be a game-changer. “The only way to make customers aware of the dubious nature of these products is for contractors to start educating customers about retrofits that can truly make a difference on their energy bills,” the article suggests.

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