Ventilation

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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Ventilation: Winners Focus on Style, Fresh Air

Havaco Technologies Inc.’s Quick Connect Ceiling Diffuser Wins Gold
By Angela D. Harris
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The NEWS honors the 2014 Dealer Design Award winners in the Ventilation Products category.


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‘It’s Too Noisy:’ Addressing Acoustics

Good Design Prevents Noise Complaints
By Kimberly Schwartz
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While there are a variety of HVAC system issues that can negatively affect building acoustics, experts say that minimizing noise and vibration is easiest to achieve when starting with a good design.


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Duct Dynasty: Duct Sealing Side Effects You Need to Know

Take Caution When Sealing Up Undersized or Oversized Equipment
By David Richardson
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Is there a possibility that duct sealing could negatively affect an HVAC system? 


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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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2014 Energy Efficiency Forum

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

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NEWSMakers: Mark Satterfield

Mark Satterfield, founder and CEO of Gentle Rain Marketing Inc. and author of “The One Week Marketing Plan” talks about his book and the importance of HVAC blogging. Posted on Sept. 19.

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2014 September 22

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Venting R-22

The NEWS reported that a man received prison time for venting R-22. Should EPA step up enforcement?
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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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