DER
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Weatherization Efforts in Europe
The French government is pressuring landlords to weatherize, while British protesters raise awareness by blocking roads
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Frugal Happy: Our House Becomes a Giant Foam Box
A months long project transforms this energy hog into a comfortable, efficient space
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The Big Rewards of a Deep Energy Retrofit
Calculating the return on this major investment may be missing the whole story
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What Should Be Done With This House?
In a thoughtful dialog, Paul Eldrenkamp and Ken Neuhauser imagine what might happen to eight houses over the next few decades
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One Man’s Quest for Energy Independence — Part 4
A last push to add more insulation on exterior walls and in the attic
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One Man’s Quest for Energy Independence — Part 3
Adding more solar hot water capacity makes it possible to say goodbye to the utility gas line
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Making an Old Tract House Sunnier and More Efficient
In 1983, the Heron was one of five cookie-cutter models offered in Bay Country, a tract housing development in a suburb of Baltimore, Maryland. Perhaps a little ahead of its…
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Retrofits versus Reductions
It’s possible to achieve significant energy savings without a deep energy retrofit
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Deep Energy Retrofits Are Often Misguided
It’s time for energy retrofit specialists to overcome their prejudice against PV systems
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Extending Window Openings for a Deep Energy Retrofit
For weather-tight window installations, we prefabricated the window surrounds and used advanced European tapes
