Ventilation

Duct Dynasty: Why That Oversized System Works Great

Show Consumers Why Bigger Isn’t Always Better
By David Richardson
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How can the homeowner be comfortable with a piece of equipment that would condition twice the amount of house? The answer lies in the true performance of the HVAC system.


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Jan. 9, 2014: ASHRAE Publishes Revised Ventilation Standard for Health Care Facilities

Revised Standard Includes Changes and Clarifications Dealing with Humidity, Ducted Returns, and More
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ASHRAE has announced publication of a newly revised standard for ventilation of health care facilities, which helps designers by providing the minimum requirements for the design of ventilation systems to provide environmental control for comfort, as well as infection and odor control.


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Expo Unveils Award Winners

Wide Range of New Products Saves Energy and Improves Comfort
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Encompassing a broad cross-section of the HVACR marketplace, the winners of this year’s AHR Expo Innovation awards feature everything from a hybrid electric heat pump water heater to a high-performance metric motor. The winning entries were selected in 10 categories.


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Duct Dynasty: Using Duct Surface for Leakage Testing?

Simple Testing Isn’t Always the Most Accurate
By David Richardson
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Are we using the most accurate metrics for determining duct leakage in a residential duct system? Would this be the best metric to use for quantifying duct leakage in residential duct systems?


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Project Files: No Horsing Around with Ventilation

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MacroAir fan helps provide ventilation and effective cooling for spectators and participants — both human and equestrian — at Riverside Rancheros’ covered arena.


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Berner Intl.: Industrial Air Curtains

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At lengths up to 16 feet long, the high-efficiency VTH venturi heater coil has been added to the VS Series air curtains. 


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TruTech Tools Ltd.: Capture Hood

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Lightweight and easy to handle, the Kanomax TABmaster™ capture hood Model 6710 allows users to take accurate supply and return airflow measurements. 


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Lindab Welcomes Educators

Company Holds Manufacturing Day at Production Facility
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Lindab Inc. recently held Manufacturing Day 2013 at its Portsmouth, Va., production facility.


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Panasonic Eco Solutions North America: Ventilation Fans

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Five new models have been added to the WhisperValue™ and WhisperValue-Lite™ ventilation fan lines.


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Trion IAQ, a division of Air System Components Inc.: Residential Motorized Air Damper

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The motorized damper (TMD520) is designed to introduce fresh air into the building envelope through an intake damper that is controlled by the microprocessor-based ventilation control interface. 


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2014 Energy Efficiency Forum

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

Podcasts

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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Prohibiting HFCs

EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
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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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