When ceiling fans were invented in the late 1800s their traditional purpose was to supply a cooling zephyr while periods of warm weather. This continued to be their main function until the early 1990s when competition from foreign manufacturers forced American associates to build new and innovative ways to store their products. The follow has been the amelioration of fans that are not only technologically advanced but their creative designs are an asset to the décor of the room where they are installed.
How they work.
Ceiling fans, unlike air conditioners, do not cool the air but rather supply a cooling follow by pushing the air downward. This polite zephyr creates evaporation of moisture from the skin and can give an sufficient cooling of 6 or 7 degrees. You can save on your electric bill by turning the fan off when you're not in the room since there is no advantage if you are not there.
During the winter heating season ceiling fans also play a role in retention a uniform climatic characteristic throughout the room. By reversing the direction of rotation cooler air is pulled up from the floor and the warm air is pushed down to replace it. This means that cooler air is pushed up toward the ceiling while the warm air keeps the floor level comfortable. When used in this manner the fan should run a slower speed to avoid creating a draft.
Ceiling fans can also team up with air conditioners such as those mounted straight through the wall or in a window. Operating the fan so it pushes air down from the ceiling not only provides a cooling follow from evaporation of skin moisture but it disperses the cool air from the air conditioner more evenly in the room.
There is one situation where the fan doing is the opposite from what has been described and this occurs when the room has exceptionally high ceilings such as two stories high or where the fan is placed at the top of a stairwell. With that much length from the fan to the floor the evaporation follow is nil. In this case you would want to push the warm air down while the heating season and pull the cooler air up in the warm weather.
What size fan should I chose for my room?
There is no hard and fast rule for picking the size fan for your living space. A rough advice would be a 50 to 56 inch fan for a typical master bedroom or living room where a larger living room would need 60 inches or more. Smaller rooms for example, a bathroom, office, or child's room may only need a 42 to 48 inch fan. The floor area is not the only notice when deciding on the fan size. The ceiling height as well as the type of ceiling and the room furnishings will also influence your decision. Finally your choice will be based on your own personal preference as much as whatever else.
Suppose I have low ceilings.
If your ceiling is low sufficient that you would feel uncomfortable installing a 'regular' ceiling fan you could consider a 'hugger fan'. This type of fan is mounted closer to the ceiling allowing for some extra space between the blades and the floor. One disadvantage is that they do no move the air as efficiently as quarterly fans but if you're willing to make that tradeoff then it may be an option.
Outdoor Fans.
On first consideration, an outdoor fan may seem like a rather strange idea. But consider a situation when you are sitting on your porch on a warm summer evening but there is no breeze. Wouldn't it be nice to have a polite cooling zephyr produced by an overhead fan? It would also help to keep the bugs at bay. There are two types of outdoor fans - one is for damp locations such as a covered porch and the other is for wet locations where it is directly exposed to rain and the weather. If you're thinking about an outdoor fan make sure you chose the right one for the place you have in mind.
In today's world ceiling fans not only help to regulate climatic characteristic but they add a whole new size to the ornament of the space where they are installed.
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