2001 - Volume #25, Issue #6, Page #02
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Giant Slow Speed Fan Ideal For Livestock Barns
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"It could reduce electric bills by hundreds of dollars compared to using conventional cooling fans," says Pat Ederer, Ederer Dairy Supply, Plain, Wis.
The new fan is available in diameters up to 24 ft. It's fitted with 6-in. wide aluminum blades direct-driven by an electric motor. The fan is designed to hang about 15 ft. above the floor, spaced about 50 ft. apart.
The big fan pushes air down and outward, creating "waves" of air that move toward the side walls. The fans come with variable speed drive.
"It keeps air moving throughout the entire building in a way that's very energy efficient," says Ederer. "The up-front cost of the fans is comparable to what you'd spend on conventional fans. However, they cost much less to operate. One 24-ft. fan uses only about 3 amps of electricity, which is about the same as what one small conventional fan uses. It costs about $11 per month to operate compared to $126 per month for conventional ventilation fans. So you could save more than $100 per month in electricity on each fan.
"Another advantage may be higher production. Conventional fans have such limited air dispersal that they can't be spaced to provide even coverage. As a result, most people don't use enough of them because they're so expensive to operate. Our fans keep the air moving throughout the entire building.
"We recommend running the fans slowly during the winter to push warm air down from the ceiling. However, the fans should be operated at full capacity in summer."
An 18-ft. fan sells for $3,750.
Contact: FARM SHOW Followup, Ederer Dairy Supply, E5663A Hwy. B, Plain, Wis. 53577 (ph 888 337-6455 or 608 546-3713; fax 608 546-3718).
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