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7 Steps to an Energy-Efficient House: 7. Renewable Energy
Add renewable-energy equipment
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7 Steps to an Energy-Efficient House: 5. Mechanicals
Replace your furnace or boiler with a new energy-efficient model
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7 Steps to an Energy-Efficient House: 4. Windows
Replace existing windows with low-e double- or triple-glazed replacements
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7 Steps to an Energy-Efficient House: 2. The Roof
Superinsulate and air-seal the roof
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7 Steps to an Energy-Efficient House: 1. The Basement
Insulate and air seal the basement or crawl space to bring it inside the thermal envelope
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A Contrarian View of Passive Solar Design
Don’t obsess over south overhangs
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Lessons Learned the Hard Way
Green products can’t guarantee low energy bills