The complete source for building, designing, and remodeling green homes
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Designing an Air Barrier for a Timbered Cathedral Ceiling
The house that Dennis Miller plans on building next spring will include a cathedral ceiling with timber trusses exposed on the interior. The issue, as Miller explains in this Q&A…
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Help for an Ailing Water Heater
Pat Beurskens has been happy with his heat-pump water heater, but he fears the time is coming when it won't be able to keep up with demand. He foresees the…
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Do These Walls Need a Poly Vapor Barrier?
Zane Bridgers is building a single-story house in northern New Mexico and has nearly completed the framed exterior walls. As his mind turns to air sealing, he's considering whether to…
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Comparing High-Performance Wall Options
T. Barker is planning a high-performance house in Climate Zone 7A, where the number of heating degree days reaches 10,000 a year and the January design temperature hits 20 below…
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The Air in My House Is Too Dry
Mike Green's Ontario home is well built, and his low energy bills convince him that the house also has been well air sealed. But there is a problem he'd like…
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Insulated Sheathing in a Cold Climate
Jeff Smith is building a house in North Dakota and is far enough along to have installed insulated sheathing on the exterior. He's chosen Zip R6 sheathing, a product made…
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Heating a New House in Nova Scotia
In the Canadian maritime province of Nova Scotia, a GBA reader named Janet is building a new weekend home whose heating system will include both a wood stove and radiant-floor…
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Coping With High Humidity and Mold
Moses Draper and his family are spending their first summer in their new house in southern Vermont. The 1,200-square-foot house is well insulated and very tight, so the summer should…
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How to Insulate a Raised Floor
Peter Danube is planning to build a detached workshop in northern Delaware, a Climate Zone 4 locale. The 20-by-32-foot building will be constructed on concrete piers, rather than on a…
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Insulating and Air Sealing a Vaulted Ceiling
Kevin is working up the design for a new lakeside cabin in Tennessee, with plans currently calling for a scissor-truss roof and a vaulted ceiling over the kitchen and living…
