Tag: HVAC design
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Using Total Effective Length in Duct Design
Prime: prime Subtitle: For air flow purposes, a duct system is often much longer than it appears Images: Today I’m going to explain an important concept in one of the most popular ways of doing duct design. I’ve been writing a series on duct design over at my blog and began with a look at…
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Using Total Effective Length in Duct Design
Prime: prime Subtitle: For air flow purposes, a duct system is often much longer than it appears Images: Today I’m going to explain an important concept in one of the most popular ways of doing duct design. I’ve been writing a series on duct design over at my blog and began with a look at…
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How to Move Air Quietly Through a Duct System
Prime: prime Subtitle: David Hill shared the secrets of good air flow at the 2015 Building Science Summer Camp Images: At my first Building Science Summer Camp in 2011, David Hill gave a great presentation on some of the big problems with duct systems. (In case you weren’t reading this blog back then, I got…
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A 3-Ton Air Conditioner Will Rarely Give You 3 Tons of Cooling
Subtitle: Even when a cooling system is perfectly designed and installed, three factors can reduce an air conditioner’s capacity Images: Of course, there are more than three reasons that your 3-ton air conditioner isn’t really 3 tons, starting with the fact that it’s not 3 tons in weight. That unit refers to cooling capacity and…