Energy-Efficient Construction

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Controlling Humidity in a Spray-foamed Attic

Is installing a small bath fan in a conditioned attic an effective strategy for... More

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Can a Heat Pump Really Work in an Old Minnesota Home?

The answer is yes, but there are a few things you have to do first. More

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On Site With AeroBarrier Connect

In the quest for airtightness, sealing big holes is easy; Matt Risinger has found a product that will find and fix the small ones. More

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Frost-Damaged Tankless Hot Water Heaters

What to do about tankless outdoor water heaters when the power goes out and it's... More

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An Airtight Hatch Cover For An Old Attic

Manny Silva has a method for creating an airtight seal even when the attic floor... More

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Understanding Wall Assemblies

Joe Lstiburek on the importance of rain, temperature, and humidity on the design... More

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Tracing Air Leaks With a Blower Door

A pair of home-performance experts show how to use a fog machine to do a... More

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Log Cabin Envelope Makeover

Matt Burstein breathed new life into a deteriorating log exterior. More

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Framing With BareNaked Tstuds

Matt Risinger takes a close look at the benefits of using the new uninsulated version of Tstuds on an actual framing job. More

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Conditioned And Unconditioned Unvented Attics

Joe Lstiburek says that the key to unvented attic and roof assemblies is to... More

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