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Double-Stud Wall vs. Exterior Insulation
A high-performance wall assembly is a given, but which one makes the most sense?
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Water and a Permanent Wood Foundation
What to do when an old PWF shows signs of water infiltration
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A Shortcut for Whole-House Air Conditioning
To save money, a homeowner wants to use a fan with a thermostat to circulate cool air
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Rotting Walls in a SIP House
A project to add a deck uncovers decay. Now what?
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Using a Spray Foam Insulation Kit
What are the benefits and risks of do-it-yourself foam installations?
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Thermal Bridging on a Brick Building
A layer of rigid foam has been left out. What now, and who pays?
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Is Adding More Insulation Worth It?
A re-siding project is an opportunity to add exterior insulation—if the effort will pay off
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Insulating Walls Without Sheathing
Installing insulation in an old house without sheathing and detailing the walls so they dry
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Choosing the Right Air Barrier
A self-adhering membrane is 10 times the price of conventional housewrap. Is it worth the extra cost?
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Options for Replacing a Boiler
Is an air-to-water heat pump a drop-in replacement for an oil boiler?