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A Bright Spot in the Ruins of Mexico Beach
On Oct. 12, The New York Times published a series of photos taken along one mile of highway extending north from Mexico Beach, Florida, where just two days earlier Hurricane…
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Ventilation for Passive House Multifamily Projects, Part 2
In climates with significant heating or cooling seasons, Passive House projects must have a balanced heat-recovery or energy-recovery ventilation system. These systems use a heat exchanger to transfer heat and…
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The Air in My House Is Too Dry
Mike Green's Ontario home is well built, and his low energy bills convince him that the house also has been well air sealed. But there is a problem he'd like…
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All About Dry Wells
A dry well is a type of hole in the ground designed to accept rainwater. If the dry well is designed properly, it can hold a volume of water for…
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Saving Sustainably: Shingling the Roof
Editor’s note: This is one in a series of blogs detailing the construction of a net-zero energy house in Point Roberts, Washington, by an owner/builder with relatively little building experience.…
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Solar Panels Don’t Make Good Roads
Four years ago, a viral campaign wooed the world with a promise of fighting climate change and jump-starting the economy by replacing tarmac on the world’s roads with solar panels.…
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Ventilation for Passive House Multifamily Projects, Part 1
Project teams pursuing Passive House certification frequently ask, “Where do we locate the heat- or energy-recovery ventilator?” When the Passive House concept is scaled to a multifamily program, the answer…
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Determining Sub-Slab Rigid Foam Thickness
When, if ever, should you consider installing a continuous layer of rigid foam under a concrete slab? The answer to this question depends on at least four factors: (1) your…
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Renewable Energy Provider Teams Up With Amazon
Amazon and renewable energy broker Arcadia Power have joined forces to offer homeowners a package that includes web-enabled devices designed to save energy plus a source of renewable energy. The…
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What I Learned With WUFI Modeling Software
Thermodynamics drive every aspect of living and non-living systems, including building envelopes. Our designs are constantly affected by moisture and heat. The effects of rain, sun, breathing, bathing, and cooking…
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