Video-led explanations of fan operation, selection, testing and system behavior for HVAC and equipment engineers.
Calculate duct static pressure as a traceable loss ledger—not a guess....
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Retrofitting an old belt-driven AHU fan with EC technology is one of t...
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Size a fan motor from the real duty point—not from CFM alone. This wor...
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Calculate fan-wall quantity with a real one-fan-unavailable check—not ...
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Convert airflow without losing a factor of 60. This visual engineering...
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A combustion blower cannot be selected from burner kilowatts alone. Th...
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Selecting an FFU fan by open-air maximum flow can fail as soon as the ...
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A stronger blower is only “drop-in” if the duty point, mechanical enve...
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Replace an indoor AC blower motor by proving the fault, matching the e...
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Compare HVAC blower motor replacement quotes by architecture, replacem...
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