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Product catalog: Caleffi

February 28, 2013

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The company’s 2013 catalog is now available.

Radiant Conditioning Of The Indoor Environment

August 27, 2012

By Hamish List,PE, LEED AP BD+C and Luke McGuire, PE, LEED AP BD+C

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Two engineers mine their collective experience for tips on designing, modeling, and operating hydronic radiant heating and cooling systems. From conceptual basics to control nuances, on to goals like maximizing deadband operation or deploying a hybrid system, the article circulates plenty of practical information for an array of radiant opportunities.

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.

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.

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.

Energy Demon At The Door

April 1, 2011

By John Vastyan

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Having lived with an ancient heating system and no cooling for years, a Pennsylvania congregation now sings the praises of the updated hydronics and new mini-splits that brought a mechanical renaissance to the church’s various spaces.

Avoid Hydronics Headaches

March 3, 2011

By NEEA's BetterBricks Initiative

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From checking out valve chatter to maintaining optimal condenser water flow, consider a few quick reminders from the Northwest Energy Efficiency Alliance for a proactive, preventive O&M strategy to keep your water distribution system quiet and efficient.

California's first LEED® Gold winery picks radiant cooling

February 1, 2011

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Radiant cooling was used at the Hall St. Helena winery in CA to save energy and maintain precise control over the winemaking process. When hydronics contractor Robert Reid saw

Self-balancing system, front-end support make the numbers work for KPMG island office

December 1, 2010

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A single-pipe system kept HVAC system operating costs low, even in the humidity-laden tropical air of Curacao in the Netherlands Antilles.When KPMG, the global audit, tax, and advisory services firm,

Urban Outfitted

December 1, 2010

By Om Gupta P.e.

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Chicago’s Michael A. Bilandic Building has 21 stories, one for each year since the previous retrofit. Recently, an open-minded project team paired modular chillers and hydronic gas boilers with pumps and VFDs to conquer some upgrade challenges, bring the mechanical system into the 21st century, and knock 15% off the tower’s measured energy use.

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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.

Engineered Systems Magazine

2013 May

Check out the May 2013 edition of Engineered Systems

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