The wind-chill effect is the cooling effect you feel when a fan blows over you. This is because of two reasons the wind-chill effect and heat transfer rate. This pushes the hot air near the ceiling outwards and onto the occupants below, thus increasing the room’s warmth.īut here is a good question why can’t the fan recirculate hot air when it blows downwards? Simply put, the fan blows the air upwards instead of downwards. When a ceiling fan runs in the clockwise direction when viewed from below, the angle of its blades causes the air to move up. This means the effective temperature at the living heights stays low, tending the occupants to turn up the thermostat.īut if you can recirculate the hot air trapped near the ceiling, isn’t that more economical and efficient? This is exactly what a ceiling fan does once its spin is reversed. During winter, even though the room heaters heat the room, most of the hot air will be trapped near the ceiling thanks to convection. This helps to recirculate the hot air trapped near the ceiling, thus effectively warming up the room.Ĭeiling fan clockwise rotation for winterĪs you know, hot air rises. This causes the air to flow upwards towards the ceiling. What direction should it turn for this?Ī ceiling fan should spin clockwise during the cold winter months. However, you can use it to distribute the heat inside a room evenly. Nobody wants to feel the chill effect of a ceiling fan during the cold winter months. The direction of the ceiling fan for winter So you won’t feel any air movement even if you sit directly under it. If the fan rotates the other way, it only pulls the air up. A regular ceiling fan can make the room feel cooler by up to 4 degrees Celcius. This cooling effect increases with the increase in fan speed. This body heat dissipation creates a cooling effect on us. This creates a breeze that carries away the heat from our bodies. When the fan runs in the counter-clockwise direction, these angled blades push the air in their way downwards towards anyone sitting under it.
Due to this design, these blades can move air downwards only if the fan runs in the anti-clockwise direction. That is, the cross-section of a ceiling fan blade, when looked at from outwards, will be slightly raised on its left. Universally for ceiling fans, this angle is sloped towards the right. It is due to this angle that the blades can move air. The blades of the ceiling fan are fitted at a small angle with a horizontal plane. This is because the ceiling fan blades are generally pitched (made at an angle) to create downward air movement only when the fan turns in the counter-clockwise direction. But why should it turn only in the counter-clock direction, why can’t it push down air when running the other way?
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