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All About Dishwashers
Compared to hand washing, an automatic dishwasher saves energy — but do paper plates and cups save even more?
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Zen and the Art of Grading
Why the soil around your house needs to be moved and shaped
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Is Your Pool an Energy Hog?
Replacing your old single-speed swimming pool pump with an efficient variable-speed pump is an energy retrofit measure with a very fast payback
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Climate-Specific Air Conditioners
John Proctor sells a $35 control that reduces cooling costs by 8% to 12% in dry climates — and he also has energy-saving advice for people in humid climates
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Energy Upgrades for Beginners
Advice for homeowners: to improve the energy performance of an older house, start with a thorough inspection
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Passivhaus Buildings Don’t Heat Themselves
Experienced HVAC system designers understand that without active heating and cooling systems, Passivhaus buildings can easily be uncomfortable
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All About Thermal Mass
Interior thermal mass can sometimes help lower energy costs — but in cold climates, it’s won’t help much
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Choosing HVAC Equipment for an Energy-Efficient Home
If you’re building a new green home, you’ll find that most available furnaces and air conditioners are oversized
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Green Building for Beginners
Are you are embarking on a construction project, but still uncertain about how to make your home green? Here is some guidance.
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Insulating Low-Slope Residential Roofs
Unless you’re careful, your low-slope roof can end up with damp sheathing