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The Green Police: Product Retrospective
For several years in the 2000s and early 2010s, I was half of the "Green Police," a video series produced by Hanley Wood, along with green remodeler Michael Anschel of…
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Tesla Unveils Another Version of Its Solar Roof
Tesla's solar roof—the breakthrough that seems perpetually right around the corner—is now in its third and most promising iteration and should be ready for installation in the coming weeks, the…
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Solar Power Without Net Metering: Is It Worth It?
The combination between solar panel installation costs, electricity rates, and market incentives offer a valuable alternative that allows you to save money on your utility bills and contribute in the fight against climate…
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An Intro to the Control Layers of a Wall
The first time I came by the term “control layer” was in a 2010 Building Science Corporation article called “The Perfect Wall," written by the firm's principal, Joseph Lstiburek. In…
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Going After the Global Warming Potential of Ready-Mixed Concrete
The absolute bad boy of CO2 emissions in the building industry is the approximately 17% dry weight of Portland cement in a standard ready-mix concrete. Somewhere between 5% and 8%…
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Step Flashing With Exterior Insulation
Step flashing a roof to a wall with continuous exterior insulation requires a decision: Do you bring the step flashing back to the structural wall sheathing behind the continuous exterior…
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Critics Claim Agreement Helps Home-Building Industry Block Tougher Energy Codes
An undisclosed pact between the nation's most powerful home builders' lobby and the organization that writes model building codes has slowed the adoption of energy-saving requirements for new homes, critics…
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Solving a Basement Odor Problem
Henry has completed a basement renovation at his 1950s Toronto bungalow and is now grappling with an unexpected problem: One room of the house smells strongly of old, damp brick.…
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Can We Build An Electricity Grid Based on 100% Renewable Energy?
As scientists and ordinary citizens see increasing signs of climate change, forward-thinking leaders on every continent are taking steps to make our electricity grids less dependent on fossil fuels. For…
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Can Buildings Take Vacation Too?
This question has come up several times in the last few years: what sort of moisture issues do we need to be concerned about if a building is “shut down”…
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