Energy Efficient

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Insulating a Sunroom Floor

An insulated floor can make that sunroom more livable. More

Maine Remodel Beats Passive House Standards

Less than half an air change per hour at minus fifty Pascals … yep, that’s pretty... More

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Wrapping an Old House in a Passive House Puffy Jacket

Mid-coast Maine builders EcoCor, Inc., are applying their characteristic insulated wood I-joist exterior wall system package to an existing old house. More

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A New York City Passive House: First, Get Out the Shovels

A Passive House gut-rehab of a historic brick row house in Brooklyn starts at the... More

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Building a Simple Passive House

In September 2009 I completed a deep energy retrofit on a small house in Point... More

Project Profile: An Energy Makeover in Maine
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Net Zero House for a Cold Climate

An architect shares his plan and process for building a northern Vermont house... More

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Building a Tight House

A pioneering Maine builder was using this approach more than a decade ago; many of... More

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