Fans

Rosenberg USA: Backward Curved Fan Module

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The new trestle-design GKHB 5.5kW backward curved fan module combines an ECM with the high-efficiency Rosenberg B-Wheel impeller for even greater efficiency and easy installation. 


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Greenheck Fan Corp.: Mixed-flow Exhaust Fan

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The Vektor®-MS inline mixed-flow laboratory exhaust fan is designed to reduce fan energy in demand-based laboratory applications and allows variable-frequency drives (VFDs) to be applied to laboratory exhaust fans. 


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MacroAir Technologies Inc.: High-velocity, Low-speed Fans

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The AirVolution-D 370 offers blades from 6-12 feet and is ideal for ceiling heights as low as 12 feet.


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June 30, 2014: Greenheck to Build Innovation Center and Education Center

Centers Will Provide New R&D Facility and New Educational Training Site
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Greenheck has announced that it will be building two new facilities on its Schofield, Wisconsin, campus, the Robert C. Greenheck Innovation Center and the Bernard A. Greenheck Education Center, to honor its founders.


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Rinnai Corp.: Vent-Free Fan Convectors

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The Vent-Free Fan Convectors are available in 10,000- and 24,000-Btu models and operate without vents or ductwork, making them suitable for room additions, basements, or sunrooms. 


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Berner Intl. Corp.: Single-Length Air Curtains

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Single-length 7-, 8-, 9-, and 10-foot-long models have been added to the ANSI/NSF 37-certified E-Zone and K-Zone (EZN and KZN Series) air curtains. 


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Tjernlund Products Inc.: Rooftop Chimney Fan

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RT-Series Inducers are designed to solve draft problems and are available with an optional Constant Operating Pressure Control (COP). 


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Air Curtains Keep Milk Cold — Not Frosty

Air Curtains Help Neutralize Subfreezing Wisconsin Winters
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Dairy farmer Hans Griesen was losing product and productivity due to freezing wintertime temperatures at his Madison, Wisconsin, milking parlor until he installed two air curtains.


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Greenheck Fan Corp.: Backward-Inclined Utility Fan

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Powered by a Vari-Green® motor, Model SWD achieves the performance of the Model SWB belt-drive centrifugal utility fan, including higher operating efficiencies and higher-pressure capabilities. 


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NEWS Hosts Free Fan Engineering Webinar

Lau Industries' Michael Brendel to Host Online Event
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The webinar offers HVAC equipment engineers a basic review of fan engineering from an energy perspective. 


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: John Missell

John Missell, vice president and COO of Spectrum Design, joins the program to discuss how his company has utilized geothermal technologies, and we examine the future of renewable energy resources. Posted on Aug. 15.

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2014 August 18

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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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