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Dan Morrison and Jonathan Smegal

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Heat Flow: 7 Minutes of BS (#buildingscience)

Three mechanisms usually work together to move electrons from more to less. These three mechanisms can conspire to move heat AROUND your insulation.
Feb. 12, 2021
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Mechanical Ventilation: 7 Minutes of BS

As houses are built tighter, they exchange less air between inside and outside. This saves energy, but the inside air can get stale if you don't have a fan and a plan
Feb. 2, 2017
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Ice Dam Podcast: What, How, Why, and Prevention

A big problem, for roofs in cold climates, but what causes it and how can you fix it?
Nov. 9, 2016
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Stack Effect: 7 Minutes of BS (#buildingscience)

Stack effect is relentless: it is always working, when you’re awake or asleep, even during blackouts. And it feeds on itself.
Oct. 7, 2016