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A Federal Case For Smart Design

November 1, 2010

By Zuhair Hasan P.E., LEED and Joey Roach P.E., LEED

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From temperature differential’s effect on pumps over to an airside design that covers all the bases for comfort and efficient ventilation, the authors are combining preparation and innovation to give Tuscaloosa’s new federal building a suitably exemplary feel.

Urban Outfitted

December 1, 2010

By Om Gupta P.e.

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Chicago’s Michael A. Bilandic Building has 21 stories, one for each year since the previous retrofit. Recently, an open-minded project team paired modular chillers and hydronic gas boilers with pumps and VFDs to conquer some upgrade challenges, bring the mechanical system into the 21st century, and knock 15% off the tower’s measured energy use.

Welcome to Boston!

March 1, 2011

By Peter Fairbanks

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Smaller in size but big on style and service, this Boston hotel looked to compete with bigger brands by cutting costs behind the scenes. A chiller overhaul led the list of improvements, which included lighting and controls retrofits, and allowing rooms to recirculate air when unoccupied.

Refrigeration Update

January 1, 2011

By Compiled By ES' Staff

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The phaseout of ozone-depleting refrigerants marches on. Take a look at what is and isn’t allowed, and when.

Ventilation Leads Kerry's Recipe For Success

May 1, 2011

By Rick Hombsch P.E. and Kevin Pope P.E.

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For a consumer food group’s very mixed-space campus, HGA’s careful outdoor air strategy got support from smart boiler, chiller, and lighting design to create performance tailored for the client while comfortably exceeding LEED^®and ASHRAE 90.1 requirements.

Better Project Delivery: Health Care Infrastructure Projects

July 1, 2011

By Howard McKew, P.E., C.P.E.

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Here, our long-time forward-thinking columnist uses a common hospital scenario to walk you through the shift from Design-Bid-Build to an Integrated Project Delivery approach. See how the job can get done with similar personnel on a considerably shorter schedule, resulting in a greater team investment in the project’s success and yet more time to get on to other work.

Building Oversight Management: Revisited

August 1, 2011

By Larry Clark LEED® AP

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A lot has happened since the author’s 2008 article. It’s prime time to revisit expectations for BAS and chiller optimization controls, and then have a look at several of today’s options for anyone managing chilled water flow to wring the last drop of efficiency out of a system.

Low-Hanging Fruit In The Data Center Orchard

August 1, 2011

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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.

On-Site Combined Cooling & Power For Data Centers

August 1, 2011

By Milton Meckler P.E., CPC

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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.

The Sustainable Carbon Neutral Hybrid Chiller

May 1, 2011

By Milton Meckler P.E., CPC

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There’s a concept, eh? The author takes a comparative discussion of chiller technologies and options, and he places it squarely within the current events context of domestic energy sources, the utility rate landscape, and thermal efficiency. Read this and then look for Part 2 in the near future.

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