As charming as an ornate Victorian or funky mid-century home can be, their aging windows and old-fashioned insulation can wreak havoc on your energy bills. The problem is that there are a lot of decades-old houses out there, and it's too expensive just to tear them all down and start fresh. A group at Harvard University is trying to do the next best thing: their HouseZero project aims to retrofit old homes to be the ultra-efficient, eco-friendly dwellings of the future — starting with their own headquarters.
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Written By Curiosity Staff July 15, 2017
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