A VF-BDT Tubular Ventilating Fan is a mechanical fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. They cool people effectively by introducing slow movement into the otherwise still, hot air of a room. Fans do not reduce air temperature, unlike air-conditioning equipment but create a wind chill effect by evaporating sweat in the summer. In fact, they heat up the air slightly due to the waste heat from the motor and friction between the moving air. Fans use significantly less power than air conditioning as cooling air is thermodynamically expensive. Conversely, a ceiling fan can also be used to reduce the stratification of warm air in a room by forcing it down to affect both occupants’ sensations and thermostat readings, thereby improving climate control energy efficiency.
A VF-BDT Tubular Ventilating Fan is a mechanical fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. They cool people effectively by introducing slow movement into the otherwise still, hot air of a room. Fans do not reduce air temperature, unlike air-conditioning equipment but create a wind chill effect by evaporating sweat in the summer. In fact, they heat up the air slightly due to the waste heat from the motor and friction between the moving air. Fans use significantly less power than air conditioning as cooling air is thermodynamically expensive. Conversely, a ceiling fan can also be used to reduce the stratification of warm air in a room by forcing it down to affect both occupants’ sensations and thermostat readings, thereby improving climate control energy efficiency.
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FEATURES 315mm to 1250mm diameter Static pressure up to 400 Pa Mild steel construction with a high quality epoxy powder coating or hot dip galvanised…
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The Systemair AXCBF range of bifurcated medium pressure axial fan has been developed for applications with an atmosphere which would either require special motors or…