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Energy-Saving Ceiling Fan
Out of the tropics comes a simple energy-saving idea that its promoters say can save 20 to 40% on heating and cooling bills in barns, shops and other farm buildings, yet costs less than a 100 watt lightbulb to operate.

"Until the energy crisis, you only saw fans like these in warm climates. But they'll save money anywhere, either by knocking warm air from ceiling areas back down to livestock confinement pens in barns, or by cooling in the summer and letting other fans and air conditioning run less," explains Paul Fowler, president of Northwest Environmental Systems, manufacturer of Enviro barn fans.

In heated buildings, where temperatures can vary as much as 15? to 25? from floor to ceiling, the 56-in. dia. fans are commonly adjusted to operate at about 5600 cfm. In the summer, though, the fans are speeded up to move 16,800 cfm, thereby circulating enough air to keep animals cool.

"It also helps get rid of odors and keeps floors, walls and ceilings dry. Everything is cleaner and healthier," says Fowler.

Northwest Environmental Systems all-metal fans simply attach to the ceiling and either plug in or wire into the electrical system. (A 15, amp circuit runs 12 fans.) Motors are enclosed and bearings sealed - no regular maintenance is needed. The company will help you place fans within a barn for maximum benefits. They're effective in ceilings up to 60-ft. high and down to any minimum height without getting in the way. One fan adequately covers a 2,000 sq. ft. area.

Enviro fans range in price from $119 to $199.

For more information, contact: FARM SHOW Followup, Northwest Environmental Systems, 5333 Fahrnwald Road, Oshkosh, Wis. 54901 (ph 414 235-7808.).

In Canada, contact: FARM SHOW Followup, Wilcorp Manufacturing Co., Toronto, Ont. (ph 416 789-1164).

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1980 - Volume #4, Issue #5