AIRHEAD: When your measured airflow is ±10 percent of design airflow, you can confidently proclaim that your duct design method works. May 27, 2019 The duct system is one of the most important ...
A couple of years ago, I wrote an article titled “Four Steps to Start Optimizing a Poorly Performing Duct System.” Since then, I regularly receive calls and emails about the article. One frequently ...
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