Ceiling Fans - A Green Way to Heat and Cool

p>Ceiling fans can help alleviate both the heat andFan Sizes and Location:
the climbing energy bill. By circulating the air ceilingTraditional fans should be hung in the center of a
fans move warm air toward the ceiling and into atticroom. Fan blades should be 7-8 feet from the floor
vents while creating a "wind-chill" effect, which addsfor optimum air circulation. Low profile fans, for lower
to the cooling sensation.ceilings, and lengthening stems, for higher ceilings are
Air conditioners are not known to be very energygenerally available with fans to ensure they are
efficient. Even the most advanced units use moremounted at their ideal height.
power than other appliances in most homes. AnnuallyBelow a chart shows the approximate size fans
air conditioners use almost 20% of the kilowatt-hoursshould be based on room size
produced in the United States. In other words, airRoom Size-------------------------Fan Size
conditioners alone in the United States are responsible64 square-feet or smaller---------32-inch or smaller
for the consumption of 207,0692,000 tons of coal,100 square-feet or smaller--------34-inch or 36-inch
23,074,000 barrels of oil, and over 137,924,800,000144 square-feet or smaller--------38-inch to 42-inch
cubic feet of natural gas (based on 2006 national225 square-feet-------------------44-inch to 46-inch
statistics). That staggering figure translates directly to400 square-feet-------------------48-inch to 54-inch
an increased energy bill and money out of your485 square-feet-------------------56-inch
pocket.600 square-feet-------------------58-inch to 60-inch
Most ceiling fans use the same amount of power asNontraditional Fans:
a 75-100 watt light bulb. For such a small powerDirectional fans, as the name implies, are stationary
usage a fan can make a home or office feel 8-10Ffans designed to cool a specific location or area.
degrees cooler. According to Florida Power and Light,Some directional fans swivel to cool a greater area.
ceiling fans throughout a home can reduce energyGenerally directional fans have stronger motors and
bills by up to 40%.sharper blade angles to move air more aggressively,
While serving an energy saving function, fans canbut otherwise follow the same general quality
also accentuate the style and decor in your home orguidelines as the traditional fans. Directional fans can
office. Ceiling fan innovation and style have come abe great to further cool a room that already has a
long way.traditional fan or on it's own.
What to look for when buying a Ceiling Fan:Rotational Fans are a hybrid of Traditional and
At first glance it may be hard to see why one fanDirectional fans. The fan is ceiling mounted like a
costs $50 and another costs $600. Part if it maytraditional fan, but in place of fan blades a horizontal
have to do with style and appearance, but beyondstem is attached to directional fans on either end.
that the quality of the higher priced fans areThese directional fans rotate around the ceiling mount
generally superior. Quality fans pay attention to bladeand are adjustable to different angles as desired. It
angle, use higher quality internal components and arehas been claimed that rotational fans move the air
better engineered. Cheaper fans will probably functionmost effectively, however the movement of air is
reasonably well at first, but they can quickly begin tothe objective and which fan is the right fan is a
generate noise, and wobble. Wobbling in a fan furthermatter of personal choice.
speeds up the wear and tear on a fan.Lastly, an often-overlooked benefit to ceiling fans is
Higher quality fans also move more air than a lowthey also help with heating. Most fans have a switch
quality fan of the same size. Ideal blade angle for athat will change the direction of the blade rotation
traditional ceiling fan is 12-16 degrees. Most cheapfrom pulling air from below toward the ceiling (usually
fans have a blade angle of 10 degrees or less. On theclockwise rotation) to moving the warm air from the
same size fan this small difference can make aceiling toward the rest of the room (usually
difference of the cheaper fan moving 40% less air.counterclockwise direction). Generally the fan will be
In other words, a cheap fan with 10 degree bladesset to a slower setting to accomplish this without
designed to cool a room effectively cools a roomany "wind chill" effect, but it is a proven and
roughly half as large.undeniable benefit.