Ventilation

Temporary HVAC: Homework Pays Off

By Mike Conklin
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School districts have known for quite some time that temporary equipment can assist in passing the tests of renovations or the pop quizzes of unexpected equipment failure. The lesser-known lesson is that having the plan in place can save significant time and money on top of the equipment’s basic benefits.
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Fan, BAS spread a warm feeling to start Alaska schooldays

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A 12-ft diameter low-speed fan provides destratification to cut the morning temperature recovery for this elementary school down to 15 to 20 min.Designing a landmark school in the unforgiving Alaskan
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LEED Platinum Performance for Mercy Corps

By Rob Schnare P.E., LEED
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Inside this nonprofit’s new headquarters in Portland, variable refrigerant flow teamed with zonal heat exchange, 100% DOAS, daylighting, CO2 sensors, and more to deliver comfort while bringing actual energy usage in under the design target of $0.83 per year.
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Practical Implementation Of Chilled Beams For Offices

By Peter Rumsey P.E., FASH and John Weale P.E., LEED
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The wave of acceptance for this design option continues to grow in North America. Get up to speed on when and where chilled beams can have the most impact. Then move into humidity control, supply air, system sizing differences compared to VAV, economizers, and more.
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Best Bets On The Floor

By Compiled By ES' Staff
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When you stroll the AHR Expo floor this year, don’t leave things to chance. Nobody likes homework, but a little advance scouting out products of interest can save precious time in Las Vegas. We’ll wager something useful will catch your eye in our annual “show article.”
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Building Automation: Alarms Lead To Reactive Operations

By Paul Ehrlich, P.E. and Ira Goldschmidt P.E.
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What might the crystal ball say about fault detection diagnostics?
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Asheville resort digs deep to deliver dehumidification to underground spa patrons

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Multiple dehumidification units allowed for scheduled downtime while maintaining this underground spa’s precise humidity requirements.The Grove Park Inn Resort & Spa is nestled in the Blue Ridge Mountains of Asheville,
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Maintain Sustainable IAQ with DOAMS - Part 1

By Milton Meckler P.E., CPC
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MEP designers need to re-examine energy wasteful DOAS practices, which currently contribute to over-ventilation of occupied building space, and refocus on meaningful decoupling of sensible and latent load control using dynamic outside air management systems. Read more on the flexibility and possibility of the author’s proposed solution in data centers, schools, and elsewhere.
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To Understand Health Care Design, Be A Student of Health Care Past

By Jeffrey H. Peters, P.E, LEED®, AP, MAC, C
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What if you could see into the future and see how your past health care designs might affect a facility in the future? You can; you just need to take the time to learn from the past. Or even better, learn from the past of others whose designs didn’t go quite as well as they had expected, thanks to this thoughtful interrogation from a forensic engineer.
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A Federal Case For Smart Design

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.
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