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Ventilation

From commissioning fans to meeting ASHRAE standards, a repository of insights and projects.

ARTICLES

Lab Results: Big (And Sometimes Fewer) Changes

When you have to individually go verify whether 128 air curtains meant to ensure air balance in the original design’s branch ductwork are still there or not, you’re not having an easy time of it.
April 1, 2014
One of the worst-performing buildings I’ve had the pleasure to study was a 375,000-sq-ft laboratory building at a Midwest university.
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Case In Point

Fabric duct solution unburdens data center build-outs

April 1, 2014
Cooling build-outs can be one of the highest operational costs facing data storage facilities.
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Tablet As Building Engineering Tool, Part 4: Operations & Maintenance

Analytics to workorder management, energy audits to light meters — the spectrum of apps for facility engineering tasks continues to get wider and more versatile.
March 1, 2014
“Collaboration is unavoidable.”
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Commissioning

Unsampled Systems

Choosing not to sample every system can be a gamble, but here are some ways to lower your risk.
March 1, 2014
Over the past two months, this column has addressed the issue of sampling systems for field functional performance testing
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Restoring The Low Limit For Indoor Relative Humidity

The research is consistent over the years, and the cost of low humidity continues to rise. Even our increasingly computer-oriented lifestyle exacerbates the problem.
February 1, 2014
Industry leaders realized hundreds of years ago that their processes and machines operate best when the indoor relative humidity is maintained at an optimum level for their process
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Problems Found In The Field: How Retrocommissioning Can Solve Them

The symptoms are familiar: hot and cold complaints, higher-than-expected costs, etc. Here’s a look at how the retrocommissioning process should work to tackle these and other developments for your facility.
February 1, 2014
In the last few years, major cities throughout the country have passed new energy code requirements mandating that commercial buildings perform regular retrocommissioning audits.
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Commissioning

Functional Performance Test Sampling

So you’ve decided on your sample size. What next? What happens when a system failure is found?
February 1, 2014
Last month, this column addressed the need for (and philosophy behind) sample testing certain systems when 100% functional performance testing (FPT) is impractical from a time and/or budget perspective.
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Malfunction At The Museum

An air handling unit that hasn’t worked since, well, ever. Chillers that have to work more often as a result — and an extra chiller just to attack the affected zone. These were the obvious symptoms, but what was the cause?
January 2, 2014
One of my favorite stories is about when I fixed a poorly performing air handling system at a local art museum.
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Case In Point

Former warehouse uses BAS, fabric duct to stockpile energy savings

December 1, 2013
The Mi-T-M Corp., an industrial power equipment manufacturer, is savings tens of thousands of dollars annually thanks to one contractor’s industrial ventilation design.
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Case In Point

Dairy company milks cost savings with polyester duct liner

November 1, 2013
When Schreiber Foods finishes construction on its new corporate headquarters, it will have an impressive presence in the center of downtown Green Bay, WI.
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EVENTS

ISH Shanghai & CIHE 2014

9/3/14
Shanghai New International Expo Centre
2345 Longyang Road
Shanghai
China
Contact: John Jiang
Backed by the success of ISH China & CIHE – Asia’s leading HVAC and sanitation event, ISH Shanghai & CIHE continues to play an important role in introducing individual heating solutions to China’s East and Central regions. Read More

Multimedia

Videos

Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
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.  

THE MAGAZINE

Engineered Systems Magazine

ES April 2014 cover

2014 April

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

Table Of Contents Subscribe

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?
View Results Poll Archive

THE ENGINEERED SYSTEMS STORE

The_Green_Energy_Management
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.

More Products

Clear Seas Research

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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