Rosenberg new high efficiency, low noise I-Series Gen 3 EC plug fans deliver up to 70% efficiency. Our Gen 3 EC motor operates at high efficiency, even in partial loads, and is paired with our new, advanced-design aluminum I-impeller, featuring five backward-curved, profiled blades and an efficiency-optimized circumferential diffuser. Noise levels range from a... (read more)

New Ecofit® 192-mm Backward-Curved Fan Module Optimizes Airflow, Efficiency

New Ecofit® PA plastic backward-curved fan modules from Rosenberg create high ventilation efficiency with no increase in noise or vibrations. The design of the modules optimizes the airflow by minimizing losses. The new fans come with a choice of AC or EC motors, in 115V and 230V input. (read more)

Rosenberg's new 560-mm backward curved fans with size 6 Gen 3+ EC motors deliver all the features and benefits of our innovative Gen 3 motors plus more cooling power. (read more)

Rosenberg's new 500-mm backward curved impellers with size 6 Gen 3+ EC motors deliver more cooling power. The Rosenberg GKHM 500-CIB.160.6NA IE GEN 3+ (Part Number N88-50322) features a 7.3 kW motor that produces 8011 CFM @ 4 inWG at 460 Volt or 6004 CFM @ 4 inWG at 230 Volt. (read more)

Rosenberg USA is introducing backward-curved plug fans featuring new larger size 6 Gen 3+ EC motors. The first of the new fans scheduled to ship from the company’s North Carolina warehouse by late January.
The new Gen 3+ fans will come in sizes 450/500/560/630-mm and will offer all the features and benefits of Rosenberg’s innovative Gen 3 motors, plus more power –... (read more)

Rosenberg’s new 280-mm backward-curved fan features a high-efficiency EC motor and super quiet impeller that can generate 1,000 CFM of air movement and 1.9” of pressure with only 76 dB(A) of noise. Sound Power/Sound Pressure is only 69 dB at 3 feet. (read more)

Rosenberg's ECFanGrid consists of a series of electronically commutated (EC) backward curved fans operating in parallel as a unit. It is a highly efficient, cost-effective alternative to single large belt-driven radial fans for air handling units. The new Generation 3 EC motor offers users 20-30% more air movement power, greater electrical efficiency and other technological advancements. (read more)

Rosenberg and Ecofit backward-curved impellers in high demand for air filtration systems are available now for immediate shipment. This includes top-selling Rosenberg 310-mm and 350-mm models with 4-pole AC or advanced EC motors, as well as Ecofit 250-mm EC and 2-pole AC models. (read more)

Rosenberg's redesigned and improved GD84 500-Watt, 230-Volt single phase EC motors run cooler and more efficiently, while increasing airflow. They are available now on Rosenberg axial and backward curved fans for HVAC and equipment cooling applications. The new UL-recognized motors increase airflow and pressure output by 2% to 5% depending on the fan model. (read more)

Rosenberg DRAD forward-curved blowers in diameters up to 12 inches are available now for immediate shipment. They provide higher static pressures than axial fans and are also more efficient for high pressure applications. For example, Rosenberg 315-mm forward curved blowers produce maximum a airflow of 5,600 CFM at 1 inch of static pressure. (read more)

Rosenberg has released the latest version of its RoVent fan selection software, RoVent10. It is now available for download at no cost from the Rosenberg USA Web site. RoVent10 delivers fast operating point-accurate selection of more than 2,900 fan models based on user parameters. (read more)

Rosenberg backward curved fans with electronically commutated (EC) motors are now available with three-phase 5.5 kW motors for greater power and efficiency. They are 100% speed controllable and are CE, UL and RoHS approved. (read more)

ETRI AC axial fans are built to take the heat long term, 80,0000 hours L10 at 40°C, with an operating temperature range of -10°C to 70°C on most models. They are are ideal for sophisticated systems in the demanding applications, including bakery ovens, marine air conditioning, equipment cooling, and variable frequency drives (VFDs). (read more)

Rosenberg USA is expanding its offering of constant pressure and constant airflow blowers to include new 180x180L 230V EC double inlet models with speeds as high as 2255 RPM and airflow up to 1010 CFM at free air. (read more)

Rosenberg USA now offers an expanded range of AC axial fans, complete with shrouds and finger guards for HVAC condenser applications. They feature profiled aluminum winglet-style blades that reduce noise up to three (3) dBA and boost fan performance by decreasing turbulence at the wing tips. Airflows range from 5,800 to 15,900 CFM. Most models are available for immediate shipment from th... (read more)

The new ETRI Model 125E EC axial cooling fan from Rosenberg is easier to specify, performs better and offers longer life than competitive products. Its advanced design makes it a perfect choice for VFD cooling, electronic cabinet cooling and small refrigeration applications. (read more)

The new 125D-A Series DC axial fan family from Rosenberg USA delivers higher airflow with no increase in noise thanks to its saber-shaped winglet blade design. The new 120x120x38 mm fans also feature a long-life brushless DC motor available with 12, 24 or 48 VDC input for a wide range of product applications, including circuit board cooling, semi-conductor cooling or motor cooling. (read more)

New 250-mm Ecofit backward-curved AC fans featuring our unique E Series impeller are now available in both 115 and 230-V models, offering dramatic performance advantages over ordinary backward-curved fans: more airflow, less noise, wider operating temperature range and ERP 2015 efficiency compliance. Upgrade your product design with Ecofit E-Series impellers. (read more)

The high-efficiency, high-flow Rosenberg E-Series backward curved impeller line now includes 12 models ranging from 12.4 to 22 inches in diameter. Designed for applications like computer room cooling, energy recovery, box- and roof-fans, the E-Series provides up to four percent greater energy efficiency with three to five dB(A) less noise. (read more)

Rosenberg USA has introduced a new family of single-inlet Ecofit forward-curved centrifugal blowers with 115 or 230-Volt UL-Recognized EC motors. They are available in standard airflow/pressure, constant airflow and constant pressure models. The new blower family is designated GREuG9 and features 160-mm x 62mm impellers. (read more)

Rosenberg's UNOBOX fans, with electronically commutated (EC) or standard AC motors, are designed to make energy-saving data center cooling retrofits easier for both under-floor and in-cabinet applications. The Rosenberg UNOBOX extract fan consists of a high-efficiency backward-curved motorized impeller mounted inside a cube-shaped cabinet with an aluminum frame and double skinned side pa... (read more)

Four new Rosenberg AC axial fans, complete with shrouds and finger guards for HVAC condenser applications, are now available for immediate shipment from Rosenberg USA. The fans feature profiled aluminum blades with winglet tips that reduce noise and improve fan performance. The new fans include Rosenberg AKSD 500-mm and AKFD 560-mm, 630-mm and 800-mm models. (read more)

Award-winning Rosenberg B-Wheel backward curved fans are now available with ErP 2015 compliant 3.3 kW EC motors. The B-Wheel features a seven-blade design (instead of the standard eight) with a unique wheel geometry that provides for impeller efficiencies up to 78% while reducing noise by up to three dBA. It also increases airflow compared to standard impellers operating at... (read more)

Rosenberg USA now offers a 500 mm sickle-blade axial fan offering a 5 dB(A) to 7 dB(A) decrease in operating noise levels compared to the previous fan model, depending on system airflow and pressure requirements. In addition to the dramatic reduction in noise level, the new fan delivers up to 5585 CFM with an improved mix of airflow and static pressure.

Th (read more)

The "E" is for ENERGY EFFICIENT. Rosenberg's new E-Series impeller design produces significant increases in energy efficiency and major reductions in operating noise levels. It features AIRFOIL design blades for high-flow and low to medium pressure applications like computer room air conditioning and air handling (CRAC/CRAH), energy recovery ventilation (ERV), energy recovery unit... (read more)

Rosenberg high-efficiency 500-mm backward fan module Model GKHM 500-CIB.160.6IF IE (460-Volt) is now AMCA certified for air performance. The AMCA-certified fan is powered by an ErP 2015 compliant 3.3 kW EC motor and delivers up to 7500 CFM of airflow at free air and is widely specified for data center cooling applications. (read more)

Rosenberg’s new ECFanGrid™ consists of a series of electronically commutated (EC) backward curved fans operating in parallel to form a perfectly matched unit that is easier to install, provides higher volume airflow and more uniform airflow than traditional large radial fans. The ECFanGrid also produces less low-frequency noise and offers built-in redundancy for greater relia... (read more)

Rosenberg USA has introduced six new double inlet Ecofit forward-curved centrifugal blowers with speed-controllable EC motors, including constant pressure and constant airflow models. Constant pressure blowers automatically adjust speed to maintain the same pressure at varying airflow conditions. Constant airflow models maintain the same airflow at vary... (read more)

Rosenberg’s Ecofit® brand backward-curved motorized impellers deliver low-noise and highly efficient air movement for equipment cooling and HVAC applications. The Ecofit line includes fans with diameters from 180 mm (7.09 inches) to 315 mm (12.4 inch) providing maximum airflow of more than 1,260 CFM. (read more)

Rosenberg has introduced a new configuration of its innovative high-efficiency “B-Wheel” backward curved impeller fan that features a smaller motor mounting plate and thinner support legs for low-rise units in restrictive environments. The new B-Wheel Spider Module provides improved performance for 180˚ airflow discharge applications. (read more)

Rosenberg’s explosion-proof evaporator fans are made safe for use in areas where there is danger of explosive atmospheres. Rosenberg Ex evaporator fans are motorized impellers designed specifically for Class 1, Division 2 hazardous locations, such as refineries or chemical storage. They are designed, manufactured and tested to EN 1127-1, EN 13463-1, EN 13463-5, and EN... (read more)

Rosenberg USA has introduced two new high-efficiency backward curved impellers equipped with integral inlet cones for optimal airflow. The new DKHR Series fans are available in 630 mm and 710 mm and are suitable for a wide range of HVAC and air movement applications. (read more)

ETRI is part of the Rosenberg family of companies with a tradition of using innovative designs and materials to produce high quality fans and blowers at its ISO 9001 certified factories. ETRI brand fans have the longest life expectancy of any comparable product and have long been recognized as performance leaders in equipment cooling, avionics and railway applications.
ETRI f... (read more)

Rosenberg's trestle-design GKHB 5.5kW backward curved fan module combines an electronically commutated (EC) motor with the high-efficiency, award-winning Rosenberg B-Wheel impeller for even greater efficiency and easy installation. The new B-Wheel Trestle Module meets all requirements of the new ErP Directive for fans, now in effect in the European Union.
The GK... (read more)

Rosenberg AC axial fans from the AKFD range with winglet tips now meet all requirements of the ErP Directive for fans to be used in the European Union. These ErP-ready AC fans are ideal for many HVAC applications, including condensers, heaters, evaporators, heat pumps and air-cooled water chillers.

The Rosenberg AKFD AC axial line includes 22-inch (560 mm), 25... (read more)

Rosenberg's high-efficiency B-Wheel backward curved impeller has received recognition in the Ventilation Category of the 2014 AHR Expo Innovation Awards Competition. Its unique design provides for impeller efficiencies up to 78% while reducing noise by up to three dBA. The B-Wheel will be featured at Rosenberg's AHR Show booth, #636, in New York, January 21–24, 2014. (read more)

Rosenberg's EHAG Series single-inlet backward curved radial fans with EC motors can reduce energy consumption by up to 35% in many applications compared to standard AC fans. They are available in five sizes from 355 mm to 560 mm. (read more)

ETRI® 400 Hz and 28 VDC fans designed for the reliable cooling of critical avionic and marine electronic systems are now available from Rosenberg USA as axial impellers or forward curved blowers with a service life of 35,000 hours or more based on stringent MIL or D0160 avionics standards. (read more)

Rosenberg electronically commutated (EC) fans with built-in Modbus controls increase fan efficiency and significantly reduce power consumption. They are available in axial and backward-curved radial configurations for forced air heaters, heat pumps, condensers, cooling units, evaporators, chillers, electronics cooling, air handling and other applications. (read more)

Rosenberg USA has introduced a new compact DC fan with a special conical housing design that significantly increases air pressure output. The fans were developed for transportation applications, specifically in rail car air movement. They deliver up to 970 m³/h (571 CFM) with a maximum noise level of 75 dBA. They are available in both 28V and 110V versions. (read more)

ECOFIT^®-brand flange-mounted backward curved impellers from Rosenberg USA provide optimal airflow and substantially lower installed cost for OEM customers. These impellers are ideal for clean rooms (fan/filter units), fume hoods for factories, ventilation hoods for commercial kitchens and in HVAC systems.

The new impe... (read more)

ECOFIT Single- And Double-Inlet Centrifugal Fans

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 dou... (read more)