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Coronavirus, Building Science, and Cancer
My thoughts about the crisis, mostly not about building science
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Building Science and the Novel Coronavirus
Does the relationship between viruses and relative humidity reveal anything about how we should operate our buildings during this pandemic?
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A Perfect Example of Radiant Heat Transfer
Everyone knows about conduction, convection, and radiation, but here you can see the power of the mediumless mechanism
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Air-to-Water Heat Pump Retrofit
A mechanical engineer shares lessons learned after replacing his propane boiler with an air-to-water heat pump to heat his home
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Pete’s Puzzle: Greater Air Leakage After Spray Foam
Three blower door tests, performed over time, reveal increasing air leakage. Could it be a moisture-related phenomenon?
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17 Steps to Better Duct Systems
Follow these tips for quieter ducts, better air delivery, and happier clients
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Another Take on a Concrete-Free Slab
Northern Minnesota designer Randy Williams omitted the concrete under the floors in this new house–an interesting new trend among builders of green homes
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The Perfect Weather for a Dehumidifier
Sometimes the best time to dehumidify is in January
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Five Walls that Work
Whether you follow your local building code or shoot for high performance, use this guide to make sure your walls won't fail
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Makeup Air for Kitchen Exhaust
What the code does and doesn't say about kitchen exhaust and makeup air and how to prevent backdrafting of certain combustion appliances
