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Not All Moisture on Surfaces is Condensation
"Moisture accumulation" is a better term to use when talking about porous materials like wood
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Understanding Wet Bulb Temperature
The "temperature of evaporation" is the lowest temperature that can be reached under ambient conditions by evaporation of water only. And it can be measured.
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7 Ways Indoor Air Can Be Made Bad
Good indoor air quality is easily ruined by unthinking occupants
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Introducing the 120-volt Plug-in Heat Pump Water Heater
The good news is the model can save thousands of dollars. The downside is limited backup heat, which could mean running out of hot water.
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Do Hydrogen Blends Make Sense for Home Heating?
A look at why this touted technology for decarbonization could actually hinder that goal
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Common Mechanical Room Obstructions
When designing a new house, give thought to where the ducts will go and exactly how they will get there
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7 Tips for Good Indoor Air Quality in Winter
While most of this advice applies year-round, there are a few nuances related to improving indoor air quality during the winter months
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Getting the Most Out of Blower Door Test Results
Understanding blower door calculations beyond air exchanges per hour at 50 Pascals can yield useful information for achieving efficiency goals
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Three Types of Heat Pumps
Pros and cons of single-, two-, and multi-stage heat pumps for heating and cooling
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Hydrogen and Replacing Fossil Fuels
A color-coded guide to the most abundant element in the universe, hydrogen, which is poised to play a large role in phasing down fossil fuels and cleaning up the grid
