CHARLOTTE, NC – Rosenberg offers its UL-listed ECOFIT centrifugal fans in a range of air flows, power levels, rotational speeds, noise levels, dimensions and finishes. The fans are an ideal fit in high-performance air conditioning, home ventilation and heat recovery systems.

Both single-inlet and double-inlet versions offer rated operating temperatures from -4°F to 158°F, forward-curved impeller diameters sized from 4.73 inches to 7.87 inches. A variety of voltages are available, including 115, 230, and 277 volt AC in 60 Hz. Other standard features include IP44 protection, G2.5 balancing, Class F winding, and thermal protection. Finger guards are available as options.

The ECOFIT centrifugal fans with single inlets are equipped with black painted rotor and steel scroll housing. They run at speeds as high as 2,240 RPM and generate a maximum capacity of 427 CFM. They also are very quiet; the sound level ranges from 51 to 67 dB.

Rosenberg’s ECOFIT double-inlet centrifugal fans produce higher airflows that some designs demand. At maximum capacity, the most powerful dual-inlet fans produce up to 822 CFM of airflow, their sound level ranges from 49 to 64 dB.

Single phase two- and four-pole motors available; three-phase motors and 50 Hz are optional.

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