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Foam Shrinks, and Other Lessons
What we learned from updating a 16-year-old deep-energy retrofit
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From a Leaky Old House to a Tight New Home
A young couple retrofits the house next door as an investment in deep energy savings
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Passive House Perfection
This compact farmhouse achieves home building’s highest performance standard without a shred of aesthetic compromise
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Attic-Insulation Upgrade
Seal air leaks first; then add extra insulation for an energy-saving improvement with great bang for the buck
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Build Like This
A simple approach to building a superefficient house starts with six key elements
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A Higher Standard
A practical design delivers a remarkably airtight, superinsulated home on a modest budget
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GBA 2.0
Improvements to our web site
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Merry Christmas and Happy Hanukkah
Best wishes for a happy holiday season from Green Building Advisor
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A Tinkerer’s Quest for Green Perfection
A Vermont couple builds a retirement home bristling with new technology, but they find it’s never too late to experiment
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In Maine, A Passivhaus School Takes Shape
The new Friends School of Portland will become one of a handful of Passivhaus school buildings in the country
