Learn what CFM means in HVAC, why it matters for airflow and comfort and how to choose exhaust fans and ERVs that boost comfort and efficiency.
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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