DER

Deep Energy Retrofits Are Often Misguided

Posted on April 18,2015 by user-756436 in deep energy retrofit

All through the 1980s and 1990s, a small band of North American believers worked to maintain and expand our understanding of residential energy efficiency. These were the pioneers of the home performance field: blower-door experts, weatherization contractors, and “house as a system” trainers. At conferences like Affordable Comfort, they gathered to share their knowledge and lick their wounds. These pioneers understood what was wrong with American houses: They leaked air; they were inadequately insulated; they had bad windows; and their duct systems were a disaster.

Extending Window Openings for a Deep Energy Retrofit

Posted on April 18,2015 by AlexWilson in deep energy retrofit

A few weeks ago I reported on the amazing, high-tech Alpen, R-12 (center-of-glass) windows that we installed on the north and west facades of our farmhouse in Dummerston, Vermont. At that time I promised to report on the other windows we were installing on the south and east facades (windows 2.0 if you will).

Window Installation Tips for a Deep Energy Retrofit

Posted on April 18,2015 by JoelSchuman in deep energy retrofit

In May 2011 we began a deep energy retrofit of our old, cold, drafty house in Saugerties, New York. Because the house was poorly and cheaply built in the 1840s (apparently from scraps and salvage), we were leery of opening up the walls from the outside, lest we find that the clapboard siding and incomplete sheathing were all that had kept the house from collapsing.

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