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Take Control Of Your System With Differential Pressure Control

April 30, 2012

By Bjarne Andreasen

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Effective hydronics, like many things in life, is about maintaining balance. Learn more about achieving the three key conditions necessary for giving your modern controller a fighting chance to do its job.

Energy audit, personal guarantee sell management on booster system retrofit

February 2, 2012

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Veteran New York plumbing contractor Evan Samouhos was so confident in the potential energy savings offered by a new domestic water booster pump system that he fronted the purchase himself.

Gateway City Apartment Builiding Goes Single-Pipe

February 1, 2012

By Dan Vastyan

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This large complex is welcoming a host of new arrivals, from new boilers and chillers to an overhaul of its hydronic strategy. Avoiding a whole lot of drilling was one benefit of their new design choice. Balancing first cost, maintenance costs, and the system itself were additional positives for keeping all 225 units comfortable and affordable.

Energy Retro-Cx

December 2, 2011

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Month 3- The Energy Conservation Opportunity: K-12 School Building Unit Ventilator System Application — Solution Implementation and Monitoring, Measuring, and Benchmarking

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.

Case In Point

Energy savings give bank a higher rate of return

May 1, 2011

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An energy analysis paid for itself at this Illinois bank by identifying energy savings opportunities. When Jason Vogelbaugh, director of Energy Solutions at Alpha Controls & Services, (Schneider Electric’s Rockford,

Getting Into The Flow

May 1, 2011

By John Vastyan

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Commercial system experts see flow as a key step to optimizing system efficiency. Cutting down required tubing size, insulated PEX for district systems, and variable-speed pumps to pin down a chiller’s exact needs are three points of attack in the modern campaign against waste.

MAXON - Don't Operate Unaware

April 5, 2011

By Michael Dawson and Richard M. Reyes BSE

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Gain Insight into Valve Performance

Prognosis for chiller strategy: no hotspots, two-year payback

April 1, 2011

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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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