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Overheating from South Windows
During hot sunny weather, our second floor sometimes overheats
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Origami-Inspired Homes
When designers create sprawling houses with multiple bump-outs, it’s difficult for builders to create an uninterrupted air barrier
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Which Building Energy Statistics Make the Most Sense?
Some energy experts focus on kWh per square foot per year — but there are lots of other metrics out there
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Summer is Pretty Boring in a Superinsulated House
In Massachusetts, air conditioning requires much less energy than heating — so you can stop feeling guilty when you run your AC
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The Potwine Passivhaus in Amherst
In Massachusetts, Alexi Arango and LeeAnn Kim are building a new home that aims for net-zero energy performance and compliance with the Passivhaus standard
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Choosing Kitchen Appliances for a Passivhaus
What we like — and don’t — about our refrigerator, dishwasher, induction cooktop, oven, range hood, and microwave
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Running Our House on Prius Power
During electrical outages, we can power our house by connecting our hybrid car to a Converdant inverter
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Are LEED-Certified Buildings Energy-Efficient?
The LEED prerequisite that requires buildings to beat the ASHRAE 90.1 standard has raised the bar for energy performance
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An Old House Gets a New Thermomass Basement
After jacking up this house in Cambridge, Massachusetts, we installed a new energy-efficient foundation
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Air Leaks From Your Home To Your Attic Need To Be Sealed
If your house has an attic, there needs to be an air barrier that keeps the attic space separate from the rest of the building