CHARLOTTE, NC – A new series of ECOFIT motorized fans with backward impellers are scheduled to be introduced at the AHR Show in February 2005 by Rosenberg USA. They are designed to deliver low-noise and high efficiency in applications such as domestic air conditioning, electronic cabinet cooling, low power industrial heaters and cowl ventilation.

Until now, only one other company worldwide has offered this product to these specifications.

The new fans feature IP44 protection, are UL Listed and are rated to Class F with optional thermal protection. Airflows reach a maximum of 215 CFM. Their compact wheel is an easy fit in free blowing designs (with screening) in circular, rectangular and scroll-shaped housings. The plastic impellers measure 135×42 millimeters (5.31 x 1.65 inches). Noise is a low 56 dBA at 60 Hz, 53 dBa at 50 Hz.

Related ECOFIT fans include a series motorized backward impellers with diameters from 180 mm (7.09 inches) to 192 mm (7.56 inches). ECOFIT also manufacturers motorized forward impellers and blowers with diameters from 108 mm (4.25 inches) to 140 (5.5 inches).

ECOFIT fans are compact enough to be custom-fit into a broad variety of brackets from different manufacturers. Available accessories include inlet cones, inlet guards and UL listed capacitors.

The Rosenberg family of companies employs more than 900 individuals in Germany, France and the U.S. Rosenberg U.S.A. is headquartered near Charlotte, N.C. For more information, contact Rosenberg USA by phone at (704) 289-5423, fax (704) 283-7170 or e-mail