The complete source for building, designing, and remodeling green homes

Musings of an Energy Nerd
How Much Insulation is Too Much?

David White, Marc Rosenbaum, and Rachel Wagner tackle a recurring question
Video
Video: How to Install Rigid Foam Insulation Outside a House
Video
Video: Superinsulating a Home With Rigid Foam
Musings of an Energy Nerd
Understanding R-Value

R-value measures heat transfer by conduction, convection, and radiation
Musings of an Energy Nerd
Equipment versus Envelope

Home performance improvements: What’s the best investment?
Green Basics
Windows, Glass, Ratings, and Installation

UPDATED on July 10, 2015Good Windows Are Essential to Energy Conservation and Comfort

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How Much Insulation is Too Much?