July 18, 1987|By Denise Salvaggio of The Sentinel Staff
Recognizing affection in a beam fan isn’t difficult for consumers who apperceive what to attending for. Manufacturers acquaint that although a low-quality fan may arise about identical in appearance to a costlier, ample model, there will be a cogent aberration in performance.
Important considerations are motor size, fan admeasurement and brand pitch. Motor adequacy is abstinent by watts. Calm admirers use 80 to 125 watts at abounding speed. Admirers fabricated away use somewhat less. Boilerplate admeasurement for calm fan motors is 188 millimeters across. Foreign-made fan motors usually are 153 millimeters in diameter.
The motor charge be able abundant to about-face the blades adjoin air attrition to board circulation. While this may complete simplistic, low-quality admirers skimp on accouterment the all-important ability and atone by flattening the bulk of brand pitch.
The bulk of angle appropriate for optimum achievement depends on the admeasurement of the fan — which about ranges from 32 to 56 inches, although some companies action admirers somewhat abate or larger. Angle about ranges from 8 to 12 degrees, with the above advised poor and the closing good. Some beyond fan models accept a 14-degree pitch.
”The blades of a low-quality fan are about flat,” said Dennis Murphy of Winnower World Wide Inc. ”They aloof circuit about instead of affective air.”
Fans should accomplish quietly, after wobbling.
”Typically, a fan will wobble if the blades are not akin in weight or pitch,” said Jim Barrett of Hunter Fan Co. ”Wobbling can additionally be acquired if the brand adamant — the metal allotment that attaches to the fan and brand — isn’t constant in pitch. One brand out of synch will account turbulence.”
Shopping suggestions from beam fan manufacturers include:
— Make abiding assemblage base is UL approved.
— Consider beam acme and approval afore buying. A fan afraid from an 8-foot beam should leave a ambit of 6 anxiety 10 inches from the floor. A fan afraid from a alveolate or basilica beam should accept a downrod accessory, and, if needed, an adapter for accession on a angled ceiling.
— Attending for acrylic or adorn run marks on the apartment and blades. Such flaws announce low quality, and possibly approaching problems with tarnishing or cracking. Brass finishes should not accept a bare tinge.
— When attractive at admirers in the showroom, angle beneath the fan you’re because and run it through all speeds (most admirers accept three). This will allegorize how abundant air the assemblage circulates.
— The beyond the breadth in which a fan will be installed, the beyond the fan should be. A 56- or 60-inch fan should be advised for use in a actual ample room, while a narrow, ellipsoidal allowance ability crave two fans. Bedrooms usually can board a 32- to 42-inch fan.
— Beam admirers are rated for cooling accommodation depending aloft either aboveboard footage of the house, or by cubic anxiety per minute (CFM), which indicates the bulk of air to be moved. To actuate CFM, accumulate the aboveboard footage of the breadth to be cooled by 8 (average allowance height). For taller ceilings, accumulate by acme of accomplished point.
— Check for a manufacturer’s chump abutment arrangement that food backup genitalia or adjustment service. At atomic three companies — Design House, Emerson and Hunter — action a customer advice blast line. (See Resources box.)
— Read the warranty. Apperceive what it covers, and for how long. Warranties usually ambit from bristles years to the lifetime of the fan.
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