Air Flow- Page 2 of 2
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Commissioning ERVs
We thought this was going to be a straightforward job, but it turned into a multi-day time-gobbler that taught us a few lessons
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The Achilles’ Heel of Zoned Duct Systems
The way that many zoned duct systems handle excess air can create a few problems
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Is It OK to Close Air Conditioner Vents in Unused Rooms?
In most cases, the answer is no
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The Two Main Reasons Your Ducts Don’t Move Enough Air
Understanding the physics of air movement can lead to better duct systems
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California Study Shows Big Savings in Home Energy Retrofits
In Stockton, California, researchers achieved 35% to 74% savings in four homes
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How to Buy an Energy-Efficient Ceiling Fan
Reading the label helps, and so does avoiding bad advice
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The 7 Biggest Opportunities for HVAC Contractors
Forget about being the low bidder — it’s time to focus on combustion safety, ducting, ventilation, load calculations, home performance issues, and house-as-a-system thinking
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Questions and Answers About Air Barriers
Every home needs an air barrier that limits infiltration and exfiltration
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