Gary Bergeron

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Adding Muscle: This Project May Look Small and Unassuming, but It Packs a High-Performance Punch Adding Muscle: This Project May Look Small and Unassuming, but It Packs a High-Performance Punch

A 1950s-era Massachusetts home uses 60% less energy after a deep energy retrofit. More

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Super-Insulated House Super-Insulated House

A super-insulated house demonstrates options for energy-efficient renovations. More

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