air changes

What Are Changes In The Air Called?

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What Are Changes In The Air Called? While weather refers to short-term changes in the atmosphere, climate refers to atmospheric changes over longer periods of time, usually 30 years or more. What is air moving called? Air is constantly moving around the earth. This moving air is called wind. Winds are created when there are

What Is A Good Air Exchange Rate?

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What Is A Good Air Exchange Rate? ASHRAE (formerly called the American Society of Heating, Refrigerating and Air-Conditioning Engineers) recommends (in its Standard 62.2-2016, “Ventilation and Acceptable Indoor Air Quality in Residential Buildings”) that homes receive 0.35 air changes per hour but not less than 15 cubic feet of air per minute (cfm) per …