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ARTICLES

Staying Dry & Comfortable With Liquid Desiccants

Let a scientist with experience both at the National Renewable Energy Laboratory and on the manufacturer side discuss the possibilities of a newer dehumidification technology within the framework of the same old moisture challenges.

June 1, 2013

By Dr. Phil Farese

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In the summer, conventional air-conditioning systems in buildings are challenged to meet peak humidity loads. Over time, buildings have reduced their heat (sensible) load, but have done less to reduce their moisture (latent) load. As a result, this moisture load can become too large for conventional air-conditioning systems to handle.

Tomorrow’s Environment

Can Someone Design a Mobile Manager Software Program?

Handheld project management will soon be an expectation, not a bonus.

April 26, 2013

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

No Comments

Here is a good idea for a frustrated HVAC person who likes to dabble with computer technology. It seems to me that now just about everyone (except me) uses a handheld device of some kind and is drawn to endless hours of using it analogous to drawing a moth to a flame to its screen.

Editor's Note

Modern Building or HVAC Museum

How much history is in your O&M routine?

March 29, 2013

By Robert Beverly

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Each issue of ES sports a theme, but occasionally a theme beneath a theme evolves from the separate articles and columns. I like when that happens.

Tomorrow's Environment

Some Odds & Ends to Think About

From trends that are (or aren’t) catching on, to cooking for engineers …

March 29, 2013

One Comment

Pharmaceutical projects are different? Not according to several readers who responded to this column I wrote last year.

Why Are Owners Taking This?

January 2, 2013

By Rebecca Thatcher Ellis, P.E.

One Comment

There are some good explanations for a bad trend.

How Home Automation May Transform Building Automation

January 2, 2013

By Paul Ehrlich, P.E.

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Will a design cousin of the iPod take flight?

Case In Point

Tool lending library assists California companies in measuring energy consump-tion

November 26, 2012

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Most companies want to decrease their energy consumption, either for financial reasons, or to be active in reducing their carbon footprint, or both — but some of them aren’t sure where to begin. When the only measure of a facility’s energy usage is the bill customers receive at the end of the month, they may feel their facility is more like the proverbial black hole: power goes in, business happens inside, but it’s not clear exactly how much energy is used where and when.

Commissioning

When “Substantial Completion” Is Insubstantial

November 26, 2012

By Rebecca Thatcher Ellis, P.E.

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A concept created for special circumstances has become a sad S.O.P.

Tomorrow’s Environment

A Woman's Perspective On Work

November 26, 2012

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

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A casual survey and personal experience generate some candor and surprises.

Are We Unknowingly Wrong-Sizing Ducts?

October 31, 2012

By Ernie MacFerran

5 Comments

A small team led by an award-winning Florida engineer decided to test conventional wisdom about pressure loss, both in a straight run and in comparing supply and exhaust scenarios. Early returns suggest the data may be flowing in an unexpected fashion.

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ES Gallery: Snapshots & Systems

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3/20/13 2:00 pm EST

Risk and Reward within Reason – Identifying Data Center Best Practices via Lessons Learned and CFD Analysis

On-Demand The presentation will be a discussion of current and emerging mechanical best practices informed by real world experience and project based analysis.

Engineered Systems Magazine

2013 June

Check out the June 2013 edition of Engineered Systems

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