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Latest Articles

Musings of an Energy Nerd

Filling Rafter Bays With Fluffy Insulation

For years, building scientists have investigated whether fiberglass insulation or cellulose insulation can be used to insulate an unvented cathedral ceiling. In general, the answer has always been no, because…

Building Science

Wingnut Testing of Soffit-to-Ridge Venting, Round 3

In the first two rounds of soffit-to-ridge vent Wingnut testing (see Round 1 and Round 2 ), I used a simple and small easel test rig to simulate what happens…

Building Science

How to Look at a House like a Building Scientist (Part 2: Heat)

This article is the second in a series on various building diagnostic tools used to sleuth out problems in buildings. If you missed it, you may want to read Part…

Green Building News

Phoenix Gives Net-Zero House Plans to Anyone Who Wants Them

Building a net-zero house in Phoenix, Arizona? The city will be happy to provide you with a full set of plans at no cost. The offer is part of the…

Green Building News

Energy Department Reverses Light Bulb Standards

Widely used but relatively inefficient light bulbs that were headed for extinction next year have won a reprieve from the U.S. Department of Energy (DOE). First, the department issued a…

Featured Blogs

Musings of an Energy Nerd

Contemplating residential energy use

September 20
Filling Rafter Bays With Fluffy Insulation
September 6
Saving Our Vanishing Wilderness
August 23
Bonus Room Problems

Q&A Spotlight

An in-depth look at reader’s intriguing questions

September 9
Does This Footing Need a Capillary Break?
August 19
Let's Solve This Insulation Puzzle
August 5
Does My Vent Hood Need Makeup Air?

Guest Blogs

Fresh perspectives from designers, builders, and industry experts

By Chris Stratton and Wen Lee
Frugal Happy: Epic House Update
By Rob Moore
Billions Available from HUD for Climate Resilience
By Kate O’Neill
Controls on Plastic Waste Are Getting More Stringent

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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.

Renovation 5th Edition

For Pros By Pros: Graphic Guide To Frame Construction

Insulate & Weatherize (EBook)

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