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CRAC lead graphic

The Heat Is On But The CRACs Are Off... Now What?

With Hurricane Sandy fresh in our minds, let’s examine the anatomy of a recent outage’s immediate HVAC consequences as a guide toward protecting equipment in the future.
Kevin Dickens, P.E.
March 29, 2013
October 29 was a Monday. It was also the day that Hurricane Sandy made landfall in New York City. Around 7 p.m., Con Edison shut power off in Lower Manhattan, and it would be sometime Saturday before lights would begin to flicker back on.
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History Colorado
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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CMS

Sustainable Schools: Teaching By Example

See how Charlotte-Mecklenburg Schools weathered an economic downturn through efficiency, managing to use less energy while adding facilities.
Bryan Steiner
February 26, 2013
Providing high-quality education for our nation’s children in grades K-12 has never been more important than it is today. The world is changing fast, and we need to provide an educational system that prepares them for this fast paced world in which we live.
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Simmons lead graphic

To Beam or not To Beam?

Peter Simmonds, Ph.D.
January 2, 2013

While active beams are making great strides toward becoming a standard part of the designer’s toolbox, knowing when to deploy them is a critical judgment. The author focuses his considerable experience with them into a good look at related thermal comfort considerations. Operation and controls, two- and four-pipe systems, and condensation control strategies round out a worthwhile look at how active beams can work for you.


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Spectrum Health Butterworth Hospital
Case In Point

Health care provider uses upgrades to deliver top-notch care

January 2, 2013

High-performance solutions result in savings, LEED® certifications, and better health care Spectrum Health is the largest not-for-profit health care system in West Michigan with nine hospitals, more than 180 service sites, and 1,983 licensed beds system-wide. 


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Chilled Water Pumps

Retrofitting Primary Chilled Water Pumps With VFDs

Eric O'Neill
November 26, 2012
Take a large hospital, subtract unexamined rules of thumb, add meaningful incremental improvements like VFD’s and a controls upgrade, and what do you get? Smarter engineering via improved performance for both the pumps and the chillers. But it all starts with one little question.
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Chiller Plant

Less Capacity Is The Coolest

Howard McKew, P.E., C.P.E.
October 31, 2012
Sometimes, what seems like a need for more cooling capacity could be the need to take a hard look and fine-tune the existing chiller plant. With a hospital expansion coming up, the team on this UMass Memorial Health Care project avoided adding up to 120 tons of capacity with tactics that included attacking inefficiencies in piping, valves, cooling towers, and controls.
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Air conditioning
Case In Point

Health care air conditioner replacement turns into no tall order

October 30, 2012
New York City is certainly renowned for the quantity and variety of tall buildings towering over the Manhattan skyline. Many of these structures are at a point where age has taken its toll on mechanical systems and now require replacement. Even if they are still operational, today’s new A/C systems are more energy efficient, making it cost effective for changeout.
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