Colleges/Universities HVAC

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Building Program To Basis Of Design For A Renovated College Student Union New Building Project

By Howard McKew, P.E., C.P.E.
No Comments
At some point in time, most college or university building committees are given the responsibility to establish a building upgrade program to enhance their campus and attract the interest of potential future students.
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Variable Refrigerant Flow vs. Buildng Codes

When newer technologies or techniques meet older codes written for an earlier version of engineering reality, the losers are the users and occupants.
By Marcia Karr
One Comment
Variable refrigerant flow (VRF) HVAC is quickly taking over market share of the industry for commercial buildings.
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VSD Retrofit For Lab Fume Hood Exhaust System

When you’re a student working with toxic chemicals, jarring alarms are not exactly a desired part of your process.
By Justin Blanchfield
No Comments
Control recommissioning in existing buildings presents an excellent opportunity to not only save energy, but to fix operational deficiencies and work with the building’s occupants to reduce complaints.
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Lab Results: Big (And Sometimes Fewer) Changes

When you have to individually go verify whether 128 air curtains meant to ensure air balance in the original design’s branch ductwork are still there or not, you’re not having an easy time of it.
By Douglas Lucht, P.E.
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One of the worst-performing buildings I’ve had the pleasure to study was a 375,000-sq-ft laboratory building at a Midwest university.
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Seawater Warms Up Marine College Building

“Think Globally, Design Locally” could’ve been the slogan for this opportunistic design on the Maine coast.
By Rob Klinedinst, AIA, LEED BD&C and David Reinheimer, P.E
No Comments
Geothermal and VRF components, along with a key design revision and even an underwater heat exchanger, buoyed this project as it sailed toward a flexible and sustainable finish.
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Trust But Verify

After 40 years and other engineering studies, a large university building still suffered from humidity problems. Our intrepid author dug into the data and the dark corners of the building in pursuit of the culprit — or culprits?
By Douglas Lucht, P.E.
One Comment
Sebesta Blomberg was commissioned to study a humidity problem for a 400,000–sq-ft library at a university in the Midwest a few years ago.
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Connecting New Boilers To Old Pipes

Combustion air, ventilation, piping, expansion tanks … with these and other factors affecting performance and safety, the boiler swap is not exactly a plug-and-play situation.
By Ray Wohlfarth
3 Comments
Designing a commercial boiler replacement where you were not the original designer or installer might have some hidden dangers that could haunt you for years.
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Editor’s welcome (also, ES notes an award-winning alumnus)

By Robert Beverly
No Comments
A big thanks for taking a minute and stopping by the new blog
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Net Zero Near The River

A 70-structure campus at the top of the Mississippi has been in need of a serious retrofit. We join this major project in progress, studying not only the design selections but the tradeoffs and sacrifices along the way.
By James Miller, P.E., CEM, HBDP and Larry J. Nemer, P.E. LEED AP BD+C
No Comments
The University of Minnesota’s Itasca Biological Station and Laboratories is one of the regions premier inland biological field stations.
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The (Cost) of DOAS/Radiant

If a design team is lucky, it faces a system choice between “good” and “very good.” However, it’s not always simple to tell which is which.
By Cindy Cogil P.E., LEED AP BC+C
No Comments
Engineers are rethinking the standard engineering design paradigm, using lifecycle cost analysis (LCCA) to compare system alternatives that fulfill the same functional requirements but differ in terms of initial and operating costs.
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