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Understanding and Measuring Mean Radiant Temperature
Subtitle: Mean radiant temperature, a major component of thermal comfort, is easy to measure Images: All the way back in 1993, one of my first research projects at the NAHBNational Association of Home...
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Proper Sizing Isn’t the Real Reason for HVAC Design
Prime: prime Subtitle: Yes, size matters, but another factor matters more Images: Many people seem to think HVAC(Heating, ventilation, and air conditioning). Collectively, the mechanical systems that...
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How to Read Manual J Reports
Prime: prime Subtitle: If you know what to look for, it’s easy to check for accuracy Images: When you enter the world of building science — whether through building a house, becoming a home energy...
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Phenolic Foam Insulation Revisited
Subtitle: Can we put to bed the corrosion concerns with this insulation? Images: A particularly well thought-out and thorough question from longtime GBAGreenBuildingAdvisor.com reader Aaron Birkland...
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Simple Steps to Improve Air Conditioner Performance
Prime: prime Subtitle: If your air conditioner struggles to keep up in the heat, these measures can help Images: It's getting hot out there. Here in the Southeast, we love our air conditioning. In...
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Do Solar Panels Need to be Cleaned?
Subtitle: How the accumulation of dust, pollen, and bird droppings affects the energy production of a PV array Images: I was at my brother’s house in Lee, New Hampshire, recently and looked up to see...
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An Update on the Residential Ventilation Debate
Prime: prime Subtitle: Here’s what you missed at the ASHRAE 62.2 committee meeting last week Images: It's been a while since I've written about what I had been calling "The Great Ventilation Debate"...
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The Important Stuff You Need to Know About Ceiling Fans
Prime: prime Subtitle: Here are a few basic principles that many people don’t understand Images: Here we are in the middle of air conditioning season. So why don't we chop down some myths and...
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What Exactly Is a Low-Load Home?
Prime: prime Subtitle: The Air Conditioning Contractors of America (ACCA) has created a task force to provide guidance Images: I found out last month that the Air Conditioning Contractors of America...
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Pinless Moisture Meters
Subtitle: How to use them — and how not to use them Images: I got a call the other day from a builder client, who said, “Hey Peter, a new homeowner of mine is super-worried about moisture and mold and...
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