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Home » Topics » Engineered Systems NEWS » Ventilation and IAQ

Ventilation and IAQ
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Circuits

Cutting Costs vs. Creeping Copper: The Data Center Airside Economizer Conundrum

Kevin Dickens, P.E.
January 10, 2012
So Charles Dickens, Ferris Bueller, a chicken, and a pig walk into an HVAC article … and try to sort out proper use of outdoor air in data centers. As you might imagine, it’s not simple. But if you remember these three design absolutes and consider your client’s specific perspective, the resulting efficiencies might have you singing Wayne Newton at the prospect of repeat business.
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air handlers

Air-handler system helps symphony recover from flood

December 5, 2011
During the first two days of May 2010, a nearly 14-in. downpour fell on “Music City USA” and the Cumberland River burst its banks, causing the worst flood in Nashville’s history. Among the many businesses that suffered terrible losses during the flood was Schermerhorn Symphony Center, completed just four years earlier and home of the Nashville Symphony.
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Commissioning Logo

Art StorageVault AHU Trend Analysis

Rebecca T. Ellis, P.E.
December 2, 2011
What secret is this dark vault hiding?
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Educating by Example

Educating by Example

Sergiu Pelau P.E., LEED Markus Yakren P.E., LEED
October 31, 2011
Through a flexible design incorporating radiant heating and cooling, demand ventilation, energy recovery, and VAV, Manhattan’s Cooper Union leads its class in sustainable performance in classrooms, labs, and beyond.
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Liquid Desiccant

Liquid Desiccant Dehumidification For Challenging Environments

October 28, 2011
In our second look at liquid desiccants this year, a veteran industry author and consultant reviews the technology and its application to difficult loads and environments. Review his cost-benefit analysis, supplemented by brief case studies ranging from a nursing home and a clean room to food and candy processing and a warehouse.
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ES Logo Feature
62.1 Too Complicated?

Alternative to ASHRAE Standard 62.1 ventilation rate procedure proposed

Public comment sought on a proposed additional default value for the IAQ standard.
Robert Beverly
October 3, 2011
Public comment sought on a proposed additional default value for the IAQ standard.
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Delta Cooling Tower
Case in Point

Campus unclogs coils, frees up funds

September 6, 2011
“Too warm.” “Too stuffy.” “Not enough airflow.” These were just a few of the countless complaints that facilities managers of the Basic Medical Science Building at the University of New Mexico were receiving on a regular basis.
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Chicago Board of Trade Building
Case In Point

Financial exchange trades up to modular fan system

September 6, 2011
Located in this city’s famous Loop commercial center, the 600-foot-tall Chicago Board of Trade Building (CBOT) houses the world’s oldest futures and options exchange. Until recently, the building also housed a pair of aging built-up systems that were beginning to worry management.
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Ventilation

On-Site Combined Cooling & Power For Data Centers

Milton Meckler P.E., CPC
August 1, 2011
Regulatory, competitive, and environmental pressures are pushing data centers away from the traditional power sources. Here, the author surveys the landscape and reviews one comparative study involving CCP cogeneration and conventional electricity sources. Reducing the carbon footprint and lessening reliance on a sometimes unreliable grid are just two reasons to look into CCP.
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Low-Hanging Fruit In The Data Center Orchard

August 1, 2011
Forget high-tech or high-expense fixes for a minute. Have you tried to bump efficiency by looking for the  next aisle over, deploying a Trim and Respond strategy, or trying the soon-to-be-famous Paper On A Stick approach? Some of the biggest names in the data center universe think that you plant the seeds of real savings with some mighty simple steps.
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