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Ventilation

Calculated With Care: Ventilation in Health Care Systems

A Mississippi clinic needed above-average design on a budget. The equipment was nothing unusual. However, creativity and attention to detail uncovered opportunities to fine-tune the design and exceed ventilation benchmarks for less.
November 1, 2013
Engineers’ daily challenges include calculations for outside air, supply air, and return or exhaust air flows — all while balancing mandated code requirements with owners’ expectations for performance, equipment first-cost, and future energy costs.
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Illuminating Info: UV-C For HVAC

Looking for lifecycle guidance or more extensive info for your stationary appli-cations? An industry IAQ veteran weighs in about the design, installation, commissioning, retrofit, and O&M of ultraviolet systems for commercial HVAC equipment.
September 23, 2013
Feedback from potential users of UV in HVAC equipment suggests that many are confused about its use
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Case In Point

∆T is for Texas: upgraded valves and a good cleaning attack hospital’s chilled water symptoms

August 29, 2013
The Houston Methodist Hospital in Houston, TX, comprises over 5 million sq ft and includes a central utility plant, steam production, and CHP capable of producing 14,800 tons of chilled water capacity.
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More Than Just Fun And Games

This project team left nothing to chance when it came to designing a five-story mixed-space facility for a Chicago gaming company.
August 29, 2013
This project team left nothing to chance when it came to designing a five-story mixed-space facility for a Chicago gaming company. They also dealt a full hand of space-specific tactics: upgraded DX units, a dedicated variable-speed kitchen exhaust system, underfloor air, and better motors and drives improved the odds for efficiency. Pull the handle on this project story to get to the payoff.
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Myths, Mix-ups, and Misconceptions

Do you know what you think you know about US/EU cleanroom classifications, HEPA efficiency, and air change rules of thumb? And what does that leak really mean for performance?
August 5, 2013
Do you know what you think you know about US/EU cleanroom classifications, HEPA efficiency, and air change rules of thumb? And what does that leak really mean for performance? Read on for further tales from the road to science-based environmental control in biopharmaceutical facilities.
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Case In Point

VRF system provides new look, efficiency to construction company office

August 2, 2013
Turner Construction Co. has been responsible for working on many notable buildings in Ohio and across the United States, including the Ohio State University Stadium renovation, the new patient tower of Nationwide Children's Hospital, and the Hilton Columbus Downtown.
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Calculated Conditioning: The IAQ Of UFAD

UFAD and displacement ventilation systems require accurate estimates to meet relative humidity requirements and ensure efficient operations. Take a look at a few design options, and contemplate the reader challenge at the end.
April 26, 2013
Since their introduction in Europe in the 1950s, and their domestic rise in specification during the 1990s, UFAD and displacement ventilation systems promise significant energy savings as a direct result of a higher supply air temperature that yields an increase in the use of economizer or free cooling hours.
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Case In Point

Air handler helps wire manufacturer reach LEED® Platinum

Installing a new air handler allows factory to save 20% in energy costs and 88% in water consumption.
April 25, 2013
When Encore Wire, a manufacturer of copper electrical wire and cable was ready to expand, they knew they wanted sustainability to feature prominently in the design of their new building.
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Case In Point

AHUs with energy recovery improve hospital’s ventilation rates while preserving IAQ

Following the installation of an ERV, odor and cooling complaints disappear at CoxHealth's Turner Center.
April 24, 2013
A multi-function health services facility in Springfield, MO is a showcase for sophisticated air quality management. The Turner Center is a unit of the CoxHealth system and is part of the Cox South health care campus in south Springfield.
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Ventilation To Improve IAQ In Schools

The author heads to the blackboard to break down fundamental outside air and sensor strategies (and how they can work together).
February 26, 2013
Providing high-quality education for our nation’s children in grades K-12 has never been more important than it is today. The world is changing quickly, and we need to provide an educational system that prepares them for this fast paced world in which we live.
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3/27/14 11:00 am EST

How to Calculate Backup Power Supply Requirements for Your Facility

On-Demand This webinar reviews how to determine power requirements of facility loads; electrical characteristics and impact of different types of loads such as large motors and UPS systems on power supply sizing; acceptable power sources and other constraints applied by building codes; and how software tools can be used to simplify the process of calculating backup power requirements.  

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Engineered Systems Magazine

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2014 April

Check out the April 2014 issue of Engineered Systems, with features on backup power supply requirements, cyberattacks, and much more!

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Design Flaws

Following up on Howard McKew's April "Tomorrow's Environment" column: Have you ever thought twice about reporting problems with another firm's design? What did you do?
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THE ENGINEERED SYSTEMS STORE

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The Green Energy Management Book

Learn from our experts how to evaluate job opportunities, market your services, sell a Walk-through Survey, target areas for an Energy Audit, calculate energy savings, do retrofit work, and win continuing contracts for retrofit work.

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Clear Seas Research ImageWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

Tomorrow's Environment Podcast

This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!

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