Items Tagged with 'chiller plants'

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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.
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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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Case In Point

∆T is for Texas: upgraded valves and a good cleaning attack hospital’s chilled water symptoms

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The Houston Methodist Hospital in Houston, TX, comprises over 5 million sq ft and includes a central utility plant, steam production, and CHP capable of producing 14,800 tons of chilled water capacity.
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A Lesson Plan For Sustainability

The Medical University of South Carolina implemented broad energy efficiency im-provements without incurring capital costs.
By John F. Plack Jr., P.E.
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Today, many state institutions of higher learning and healthcare facilities face reduced budgets, aging infrastructure, and rising energy costs. According to the EPA, colleges and universities spend close to $2 billion each year on energy. These institutions are seeking innovative ways to renew facilities, improve energy efficiency, and reduce energy costs. One option gaining some renewed momentum is the Energy Savings Performance Contract (EPSC).
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Chillers Past, Present and Future

A couple of industry pros weigh in on how past ‘best practices’ sometimes get in the way of current potential, and on where technology might point.
By Fred Berry, chiller solutions senior program manager, Johnson Controls and Adam Meddaugh, director of positive displacement chillers, Daikin-McQuay
6 Comments
We had an idea to try something different this month — invite chiller manufacturers to give us their insights on one of two topics. We invited them to either talk about common errors in project design/installation/O&M, with an eye toward helping readers get the intended performance out of their equipment. Or, they could write about what they see happening in this sector in the future. In a stroke of good luck, we had one response to each question. – Ed.)
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From Good To Great: Optimizing Your Chiller Plant

By Timothy Angerame and Ken Scheepers
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Texas Women’s University found that continuous energy monitoring and verification paid off well, yielding savings above and beyond an existing performance contract. The authors explain how measuring and managing can defeat the usual suspects that drag down plant performance. Is yours hiding some untapped greatness?
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Prognosis for chiller strategy: no hotspots, two-year payback

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VFDs and a new chiller reduced this Texas hospital’s carbon footprint. With large central utility plants, over-taxed HVAC systems, and ever-increasing utility costs, many hospitals face the dual problems of
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Welcome to Boston!

By Peter Fairbanks
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Smaller in size but big on style and service, this Boston hotel looked to compete with bigger brands by cutting costs behind the scenes. A chiller overhaul led the list of improvements, which included lighting and controls retrofits, and allowing rooms to recirculate air when unoccupied.
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9/25/14 2:00 pm EDT

Test Anxiety? Learn How and When to Test Your Standby Generator

This webinar will discuss generator reliability, testing, and troubleshooting from a practical perspective and make recommendations for a comprehensive inspection and testing program.

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2014 September

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