All fans are tested under identical conditions. Each fan is connected to 10 feet of PVC piping. Airflow, pressure & wattage are then measured as resistance is applied to the intake.
WPB Home Page Choosing best Fan to use Reducing System Noise Pipe & Fitting Pressure Drop Elevation & Fan Performance Measuring airflow in pipes Voltage & Fan Performance Maximum Piping Airflow Fan Testing method Fan Operating Cost All WPB Info pages
