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Tomorrow's Environment

Tall Buildings & Thermal Storage

January 29, 2013

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ASHRAE takes a look up at the former while the latter is looking up … maybe.

Case In Point

Health care air conditioner replacement turns into no tall order

October 30, 2012

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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.

Right Steps For Retrofits

October 19, 2012

By Kendra Tupper, P.E., LEED® BD+C, ASHRAE BEMP & HPDP

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Achieving deep energy savings is especially challenging when you’re faced with an existing structure with poor orientation, historic preservation requirements, and little space for renewables. The Byron Rogers Federal Office Building’s retrofit is scheduled to be completed in 2013; the post-renovation building is projected to consume less than half the energy it did before.

Case In Point

Iconic cool: TES and chiller retrofit eases system strain from the other side of Rockefeller Center

August 28, 2012

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Rockefeller Center is one of the most recognized commercial properties in the world. Defining midtown Manhattan, Rockefeller Center encompasses the six square blocks between Fifth Avenue and the Avenue of the Americas from 48th to 51st Streets. The landmark property consists of approximately 8 million rentable sq ft in ten buildings with unique, internationally recognized architectural features.

Sustainable Combined On-Site Trigeneration And TES Systems

July 31, 2012

By Milton Meckler P.E., CPC

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The author's firm recently explored three options for use in buildings that are “user-friendly” when dealing with the highly variable load demands of multi-tenant occupancies, often requiring simultaneous space heating and cooling requirements. Read on to see what they found out about performance and life-cycle cost for their client.

Large Scale Geothermal Heat Pump Systems

September 6, 2011

By Stephen Hamstra P.E., ASHRAE HBDP LEED AP,

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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.

Thermal Energy Storage Benefits And Sensible Systems

July 1, 2011

By Shaw Gentry EIT and Lucas B. Hyman P.E., LEED

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Some thermal storage media are familiar to most of us, but what about gravel? Or lake water? See how those can work in the right environments, and tuck this away as a general refresher on thermal storage concepts and options for use in hospitals, data centers, and elsewhere.

Building Automation: Alarms Lead To Reactive Operations

January 1, 2011

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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ES Gallery: Snapshots & Systems

Check out highlights from projects featured in our magazine this year!

3/20/13 2:00 pm EST

Risk and Reward within Reason – Identifying Data Center Best Practices via Lessons Learned and CFD Analysis

On-Demand The presentation will be a discussion of current and emerging mechanical best practices informed by real world experience and project based analysis.

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2013 May

Check out the May 2013 edition of Engineered Systems

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This series from longtime columnist and chronic forward-thinker Howard McKew covers a lot of ground -- from retrocommissioning to systems training, on toward checklists for drawings and tips for meeting minutes. Click HERE to be taken to the podcast page!