Items Tagged with 'VAV'

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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Building Automation

Controls Optimization: No Longer Optional

Updated codes continue the push for better controls work as high performance edges further into the mainstream.
March 1, 2014
At one time, it might have been acceptable to view controls as a “necessary evil” with little attention given to the details of design including sequences and commissioning
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Hospital Retrofits For Energy Efficiency

How many health care facilities are limping along in terms of mechanical performance but could be running better than ever with one committed round of treatment?
March 1, 2014
Our BAS columnist makes a house call to prescribe one method of applying retrofit expertise, including the success story of a hospital with mysteries or maladies that required attention in VAV and chillers, air handling strategies, OR ventilation, and beyond.
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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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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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Commissioning

Functional Performance Test Sampling

Testing it all typically isn’t an option. How to determine what (and how many) to check?
January 2, 2014
In the standard commissioning process, there are two primary technical activities that occur on site at the end of construction and prior to systems acceptance by the owner.
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Building Automation

DDC Or Pneumatic?

Energy savings isn’t the only factor when considering a controls retrofit.
December 1, 2013
Much of our work involves energy studies and retrofits to commercial buildings.
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Building Automation

Data Centers and VAV Design Opportunities

Read about various examples — from a 40,000-sq-ft raised-floor environment to a 5,000-sq-ft facility within a facility — to get a good view of the battlefield and make your next campaign against heat and inefficiency a little smarter.
March 29, 2013
The range of HVAC design options associated with the various types of data centers has expanded and evolved over the past 30 years in order to keep pace with the wide array of server transformations and deployment strategies.
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Trend Analysis Summary

June 3, 2012
One more case where all seems fine … but isn’t.
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Failed BAS: Unexpected and Unknown Results

May 2, 2012
Are you in a game of HVAC hide and seek that you don’t know you’re in?
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Multimedia

Videos

Image Galleries

ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!
3/25/14 2:00 pm EST

Improving Cooling and PUE in Existing Data Centers

On-Demand This webinar will provide cost-effective practical tips and feasible retrofit solutions that can be implemented in operational data centers to address some cooling issues and improve energy efficiency.

Engineered Systems Magazine

ES July 2014 cover

2014 July

Check out the July 2014 issue of Engineered Systems, with features on chiller retrofits in health care facilities, building automation, and much more!

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Data Collection

Following Paul Ehrlich's BAS column, what describes your team's performance with data collection, normalization/storage, and analytics/reporting?
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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

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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