Knowing if a HVAC system or fan is working efficiently for your customer is important and can be determined by the airflow it produces. Here are several techniques to measure airflow in an HVAC system ...
CFM, Amp Draw, Soft Start? All the things... let's go! Who's going to win? The Spal Brushed 14" with an advertised CFM of 1864, or the Proform Brushless 14", with an advertised CFM of 2900! We go ...
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