Featured Stories

LonMark International appoints Barry Haaser as executive director

Haaser succeeds Ron Bernstein, who served as executive director since 2006.
Haaser succeeds Ron Bernstein, who served as executive director since 2006.
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62.1 Too Complicated?

Alternative to ASHRAE Standard 62.1 ventilation rate procedure proposed

Public comment sought on a proposed additional default value for the IAQ standard.
Public comment sought on a proposed additional default value for the IAQ standard.
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ASHRAE creates five categories for liquid-cooled datacom environments

A new whitepaper that serves as the first vendor-neutral thermal guideline is available for free download.
A new whitepaper that serves as the first vendor-neutral thermal guideline is available for free download.
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Calculating Life-Cycle Cost

Detailed calculations can unearth hidden savings.
Whether at work or in our personal lives, we all try to be smart shoppers. We’ll go that extra mile to save a few percent on upfront purchase costs but every so often miss the big picture by not taking total cost of ownership (TCO) into account.
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Large Scale Geothermal Heat Pump Systems

With the help of advances in intelligent controls and a shift in design mindset, these systems can steer buildings toward smaller equipment sizes and associated savings. Review three projects and consider the benefits of keeping an upcoming project in the loop.
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BIM and Educational Projects

In this overview of building information modeling, the authors review how BIM helped in three different projects, often with particular usage- and efficiency-based HVAC demands. While BIM’s space management skills can reduce costly changeorders and building design “clashes” ahead of time, in at least one instance, using BIM actually influenced the HVAC strategy for the better, too. See how HGA Architects and Engineers has used this to become a “model” firm.
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Editor's Note: August Additions

New digital- and analog-world projects spice up the summer, and an axeman keeps our advisory board sharp.
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Commissioning: Equipment Startup And Commissioning

The once fairly calm phase could now be a key to nipping integration issues in the bud.
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Building Automation: Part 1: Proper Selection Of VFDS And BAS

Let drives steer you toward better performance, with these caveats.
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Building Oversight Management: Revisited

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.
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2014 December

Check out the December 2014 issue of Engineered Systems.
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