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Why Use Ceiling Circulating Fans? See Below
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Total products: 6
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LFI-CP36
Only $69.00
Ceiling Circulating Fan: 36" Blade Dia. (Reversible 7,100 CFM)
LFI-CP48
Only $89.00
Ceiling Circulating Fan: 48" Blade Dia. (Reversible 13,000 CFM)
LFI-CP48HPWP
Only $99.00
Ceiling Circulating Fan: 48" Blade Dia. (Reversible 21,000 CFM)
LFI-CP56FR
Only $89.00
Ceiling Circulating Fan: 56" Blade Dia. (Reversible 20,500 CFM)
LFI-CP56S
Only $99.00
Ceiling Circulating Fan: 56" Blade Dia. (Reversible 20,500 CFM) - 36" Downrod
LFI-CP60HPWP
Only $139.00
Ceiling Circulating Fan: 60" Blade Dia. (Reversible 46,000 CFM)

Ceiling Fans and Circulating Fans
Circulating fans include ceiling fans, table fans, floor and pedestal fans, and fans mounted to poles or walls. These fans create a wind chill effect that will make you more comfortable in your home, even if it's also cooled by natural ventilation or air conditioning. Ceiling fans are considered the most effective of these types of fans, since they effectively circulate the air in a room to create a draft throughout the room.

If you use air conditioning, a ceiling fan will allow you to raise the thermostat setting about 4°F with no reduction in comfort. In temperate climates, or during moderately hot weather, ceiling fans may allow you to avoid using your air conditioner altogether. Install a fan in each room that needs to be cooled during hot weather.

Ceiling fans are only appropriate in rooms with ceilings at least eight feet high. Fans work best when the blades are 7-9 feet above the floor and 10-12 inches below the ceiling. Fans should be installed so their blades are no closer than 8 inches from the ceiling and 18 inches from the walls.

Larger ceiling fans can move more air than smaller fans. A 36- or 44-inch diameter fan will cool rooms up to 225 square feet, while fans that are 52 inches or more should be used in larger rooms. Multiple fans work best in rooms longer than 18 feet. Small- and medium-sized fans will provide efficient cooling in a 4- to 6-foot diameter area, while larger fans are effective up to 10 feet.

A larger blade will also provide comparable cooling at a lower velocity than a smaller blade. This may be important in areas where loose papers or other objects will be disturbed by a strong breeze. The fan should also be fitted to the aesthetics of the room-a large fan may appear overpowering in a small room.

A more expensive fan that operates quietly and smoothly will probably offer more trouble-free service than cheaper units. Check the noise ratings. If possible, when buying window fans, look for the ENERGY STAR label. Fans that earn the label move air 20% more efficiently, on average, than standard models.

Thermal Comfort in the Workplace and what it means:
To have "thermal comfort" means that a person wearing a normal amount of clothing feels neither too cold nor too warm. Thermal comfort is important both for one's well-being and for productivity. It can be achieved only when the air temperature, humidity and air movement are within the specified range often referred to as the "comfort zone".

Where air movement is virtually absent and when relative humidity can be kept at about 50%, the ambient temperature becomes the most critical factor for maintaining thermal comfort. Unfortunately, however, temperature preferences vary greatly among individuals and there is no one temperature that can satisfy everyone. Nevertheless, it is fair to say that an office which is too warm makes its occupants feel tired; on the other hand, one that is too cold causes the occupants' attention to drift, making them restless and easily distracted. Workers begin worrying about how to get warm again.

Maintaining constant thermal conditions in the offices is important. Even minor deviation from comfort may be stressful and affect performance and safety. Workers already under stress are less tolerant of uncomfortable conditions.

What temperature should an office be?
A general recommendation is that the temperature be held constant in the range of 21-23°C (69-73°F). In summertime when outdoor temperatures are higher it is advisable to keep air-conditioned offices slightly warmer to minimize the temperature discrepancy between indoors and outdoors.


 

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