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Latest Articles

Building Science

A Perfect Example of Radiant Heat Transfer

On Saturday morning as I was heading out for a run at the Chattahoochee River, I found my car in the condition you see in the photo above. Let's ignore…

Green Building Blog

Air-to-Water Heat Pump Retrofit

Air-to-water heat pumps generate a lot of buzz, but is anyone installing them? When we purchased our hydronics-based home in 2015, I was intrigued by the prospect of replacing the…

Guest Blogs

How to Boost Recycling

You finish that last sip of morning coffee and stare at the empty paper cup in your hand. Should it go into the recycling bin, compost, or be landfilled, or…

Q&A Spotlight

When It's Better to Demolish an Old House than to Patch It Up

GBA readers get a steady diet of advice on how to improve the energy efficiency and comfort of old houses. The list almost always includes basics like air sealing and…

Musings of an Energy Nerd

Five Rules for Wall Design

An architect recently told a friend of mine that he was designing a flash-and-batt wall with the spray foam insulation installed on the interior, and the batt insulation toward the…

Featured Blogs

Musings of an Energy Nerd

Contemplating residential energy use

Q&A Spotlight

An in-depth look at reader’s intriguing questions

February 24
When It's Better to Demolish an Old House than to Patch It Up
February 10
Wanted: Windows for a Northern Retrofit
January 27
Details for Insulating a Slab Perimeter

Guest Blogs

Fresh perspectives from designers, builders, and industry experts

By Magali (Maggie) Delmas
How to Boost Recycling
By Eric Whetzel
Urban Rustic: Completing the Wall Assembly
By David Goodyear
Flatrock Passive: It's a Wrap

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Construction-detail Drawing Library

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A collection of one thousand construction details organized by climate and house part (roofs, walls, foundations, etc.). Each detail can be downloaded as a PDF for printing or as a DWG to incorporate into your CAD software.

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Musings of an Energy Nerd

Musings of an Energy Nerd

Energy-Smart Insight for Builders and Designers Martin Holladay’s new book, Musings of an Energy Nerd, is filled with the in-depth information that builders, designers, and homeowners need to make homes more energy-efficient.

For Pros By Pros: Graphic Guide To Frame Construction

Renovation 5th Edition

Insulate & Weatherize (EBook)

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