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More Bad News on Ventilation System Effectiveness
Sometimes the fault lies with HVAC contractors, and sometimes the fault lies with homeowners
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Sandwiching Roof Sheathing Between Two Impermeable Layers
Should we be scared of a “foam sandwich” with sheathing in the middle?
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Why Is My Attic Damp?
The cause depends on whether you have an unconditioned attic or a conditioned attic
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Updating Vermont’s Energy Code
The “package plus points” approach gives builders flexibility
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Condensation on Swim Masks and Bathroom Mirrors
Large volumes of air reduce condensation risk
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Martin’s Six Rules for Polyethylene
A fresh look at the use of interior plastic sheeting on walls
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Designing a Multifamily Building That Approaches Passive House Performance
Architect Jesse Thompson shares lessons he’s learned from three recent projects
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Another Deceptive Letter About Spray Foam R-Values
This time, the spotlight is on Lapolla
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Housing and Human Health
In search of data to support the ‘healthy housing’ movement
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New Green Building Products — March 2019
A ventilation fan from Panasonic, an HRV with a heat pump, triple-glazed windows from New Jersey, and a plastic drainage mat from Tyvek