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Cold Air Is Dry Air
Don't be fooled by the relative humidity
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Old Houses: Common Problems and Solutions
A few tips on handling water management and air leakage in centuries-old structures
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Heat Pumps and Log Cabins
A convincing argument in favor of conditioning an old housing style with new technology
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Design Temperature vs. Degree Days
Both describe important but different climate features for a location
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The Benefit of Larsen Trusses
Adding depth to exterior walls is a smart way to add lots of insulation
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Ducts in an Unconditioned Attic
The best place for ductwork is inside the thermal boundary of the house, not in an unconditioned, vented attic
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How to Spot Misleading Electric Heating Efficiency Claims
Understanding the two primary types of electric heating
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Using a Blower-Door Test and Interpreting the Results
An introduction to the technology and calculations for measuring a home’s energy performance
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Strategies for Preventing Wood Rot
Correctly using and detailing lumber and other wood-based products adds to their longevity, which means we should be doing it on every job
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Vapor: Pressure, Permeance, and Permeability
A few mental visuals to help understand that elusive moisture menace
