Ceiling fans are excellent inventions man has ever created. These devices are highly functional in that they deliver both cooling and warming effects into the room. No other cooling or heating device or unit can deliver such function. But how is it possible for these overhead fan units to deliver such effect? Below we have the dual thermal effects of these nifty devices explained.
Ceiling fans can bring about cooling in the room by rotating in a counter-clockwise fashion. By rotating this way, the blades of the fans can cause disturbance in the air causing them to blow downwards and hit the individual or persons in the area. Unlike the air-conditioning units, these devices don’t cause any change or lowering of the temperature of the room. However when breezes produced by the fans come in direct contact with the skin, some of the heat is transferred and carried away by the wind. This direct air flow that touches the skin also aids the natural defense system of the body when we feel very hot.
When we feel warm, our body produces sweat in order for some of the heat to escape. This mechanism helps our bodies to cool down in a natural fashion. When you have overhead fans around you especially when you feel hot and perspiring, the breezes they produce cause rapid evaporation of the sweat. Essentially, the fan units work to turbo-charge the process of sweat evaporation thus we can feel comfortable and feeling fresh and light right away.
To aid in warming up the individuals inside the room, the overhead fans rotate in clockwise fashion. Basic science tells us that warm air rises and cold air sinks in the floor. Inside the room, warm air is trapped in the ceiling. By setting the fans at the lowest speed in order to avoid the wind chill effect, warm air that is trapped in the ceiling can be pushed downwards. During this process, cold air is also sucked up that causes further displacement of the warm air towards the floor. By employing this technique, homeowners can save up precious dollars in their heating system. They can now set the thermostat at a much lower setting and this could practically lower the amount of energy that is used up to power their heating units.
Homeowners can save as much as 10% on their heating bills with the supplemental work of the overhead fans.
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