In Praise of Deep Energy Retrofits

Reader Contribution by Tim Snyder
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 Photo by Pixabay/Free-Photos

It’s not easy to transform a house that’s an energy hog into a model of energy efficiency. The improvements involved in achieving this major energy makeover have come to be summarized as a “deep energy retrofit.” When you begin to grasp how extensive and expensive a typical DER can be, it’s easy to understand why we aren’t seeing more of them. But that needs to change, mainly because of the following factors:

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