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Cape Cod Style Homes Are Difficult to Heat
It’s tricky to air seal those triangular attics behind the second-floor kneewalls
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The First National Green Code — or Communism?
Do we need a national green construction code — or would such a code be a threat to our freedom?
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Passivhaus and Spray Foam
Does the new rule from PHIUS signal a change in the Passivhaus standard, which until now hasn’t been prescriptive and hasn’t used checklists?
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What’s Wrong With This Crawl Space?
Readers are invited to spot all of the problems shown in a photo of an old crawl space
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Advice from a Homeowner
Contractors: remember that communication is important
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An Energy-Auditing Class in Montana
At a five-day course in a rural setting, four women learn to operate blower doors and infrared cameras
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Video: Installing Rigid Foam Under Footings
This construction site video of the Karuna House in Yamhill County, Oregon, demonstrates installation of a geofoam foundation that will superinsulate the bottom of the building envelope and help the…
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PV Systems Have Gotten Dirt Cheap
In many areas of the country, electricity from a photovoltaic system now costs less than electricity from the grid
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How to Get Good Blower-Door Results
The top 10 dos and don'ts for building a really tight house
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Cost-Effective Passive Solar Design
Orient your house properly, include an adequate amount of south-facing glazing protected by roof overhangs, and include some interior thermal mass