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Cooling & Chillers

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

Plastic cooling towers cure hospital’s maintenance, energy cost symptoms

January 2, 2014
It’s no secret that hospitals contain some of the most diverse and demanding environments that require dependable performance of the HVAC system.
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Case In Point

Training center’s VRF installation turns heads with linesets, mounting

December 1, 2013
Quietside recently expanded its Forth Worth-based training center, and the distributor hopes that individuals attending classes will learn as much about installation aesthetics as they will about Samsung’s variable refrigerant flow systems.
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EDITOR’S NOTE

Can’t-Fail Facilities

From microsite to going live on-site at AHR, we’re putting the spotlight on critical environments.
December 1, 2013
Critical facilities … it’s not just about data centers, much like this magazine has evolved to be much more than our traditional dead-tree issue.
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Chiller Retrofit: The Attraction Of Magnetic Bearings

With multiple expansions and projects, a DC-area hospital also had to plan for cooling that could keep up with developing demands and spaces.
November 1, 2013

When the facilities management staff of Mount Vernon Hospital completed an assessment of its central chilled water plant, it became evident that while the original chillers had served the hospital well since its opening in 1975, they were ready for replacement.


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The X-Factor: Y Should U Care?

Unprecedented vendor-neutral data has been brought down from the mountain on a digital tablet.
September 1, 2013
Unprecedented vendor-neutral data has been brought down from the mountain on a digital tablet. That’s helpful for data center designers, but applying a little thought and site-specific consideration can reveal the path to wisdom in areas like failure rate, noise, power draw versus temperatures, and more.
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Tomorrow's Environment

Designing A Central Chiller Plant Equipment Room

It turns out that heat stroke, difficult access to equipment, and concussion are all detriments to good maintenance.
September 1, 2013
Here are a few interesting things to keep in mind when designing an equipment room. First, these spaces usually take up 7% of the gross floor space when located within the building or on the roof.
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VRF Heat Pumps In The Real World

Wide temperature swings, submetering deficiencies, bloated carbon footprint … these are but three of the problems tackled in two contrasting projects in the Northwest.
September 1, 2013
How is variable refrigerant flow (VRF) working for you? We asked a number of people that question and summarized the findings from two typical facilities here.
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Chillers Past, Present and Future

A couple of industry pros weigh in on how past ‘best practices’ sometimes get in the way of current potential, and on where technology might point.
April 26, 2013
We had an idea to try something different this month — invite chiller manufacturers to give us their insights on one of two topics. We invited them to either talk about common errors in project design/installation/O&M, with an eye toward helping readers get the intended performance out of their equipment. Or, they could write about what they see happening in this sector in the future. In a stroke of good luck, we had one response to each question. – Ed.)
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Case In Point

History Colorado protects museum data with VRF zoning system

A new zoning system enabled History Colorado to maintain the precise temperature to keep its treasures safe.
March 29, 2013
Established in 1879, just three years after Colorado became a state, the Colorado Historical Society had long served as the state’s memory keeper, occupying a number of buildings over the course of its 133-yr history.
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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.

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!

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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

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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