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Green Building

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Attic-Insulation Upgrade Online Membership Required

Seal air leaks first; then add extra insulation for an energy-saving improvement with great bang for the buck

Getting to Zero Energy

Common-sense solutions for creating homes that are self-reliant, resilient, and versatile

Remodeling for Energy EfficiencyOnline Membership Required

Can a 150-year-old house approach net-zero energy use? Three case studies point the way from the 19th to the 21st century.

Video: Soy Oil Foam Insulation

A crop in abundance, Soy is the latest insulation material to hit the market

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