Ventilation

Dynalloy Inc.: Automated HVAC Vents

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The Cue Vent™ automates retrofitted standard HVAC registers by automatically changing the direction of the airflow with no motors, batteries, or electricity, using only a dynamic alloy wire that is temperature activated by the heater or air conditioner. 


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Armacell LLC: Fiber-Free Elastomeric Duct Liner

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Created specifically for spiral ducts, AP Spiralflex™ is a 100 percent fiber-free, elastomeric duct liner. 


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Duct Dynasty: The Building Side of the Duct System

Considering Airflow Outside of Sheet Metal
By David Richardson
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If you’re reading this article in a building that has a forced-air HVAC system in it, you’re sitting inside the duct system right now.


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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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DuctSox Corp.: Oval-Shaped Fabric Duct

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OvalSox™ fabric duct is designed for low-clearance HVAC ventilation in industrial and commercial building applications. 


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Knowledge is Power in HVAC Zoning

Education is Paving the Path to Zoning Prosperity
By Matt Bishop
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Zoning manufacturers are taking the initiative to make zoning an attractive option for contractors.


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Zoning Success Requires Time and Financial Commitment

Contractors Believe Zoning Market is Ripe
By Matt Bishop
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If done correctly, adding zoning services can be a worthwhile investment for HVAC contractors.


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Panasonic Eco Products Div.: Ventilation Fans

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The WhisperGreen Select™ models are modular all-in-one fan and fan/LED light combination ventilation fans. 


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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 15

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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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