Tag: hvac
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The Fundamentals of Rigid Duct Design
Prime: prime Subtitle: Observe these principles of fluid flow to deliver the right amount of air Images: At the end of this month, I’m giving a little presentation at the ASHRAEAmerican Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). International organization dedicated to the advancement of heating, ventilation, air conditioning, and refrigeration through research, standards…
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Manual J Load Calculations vs. Rules of Thumb
Prime: prime Subtitle: This sample of Manual J results shows that the old way really needs to die Images:&…
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The Science of Air Flow in Flex Duct
Prime: prime Subtitle: A Texas A&M study shows how much of a hit you take when you let flex duct sag I…
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Ten Essential Steps to a Pretty Good House
Prime: prime Subtitle: Going above code isn’t hard if you do these things Images: My friends up in Maine came up with the concept of the Pretty Good House a few years ago, and I love the idea! Not everyone can or wants to build a LEED Platinum, Living Building Challenge, Passive House. But a…
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Three Types of Heating and Cooling Loads
Subtitle: Manual J gives you one of them, but what do you do about the others? Images: …