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Cooling & Chillers
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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.

Welcome to Boston!

March 1, 2011

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.

Editor's Note: Mission Less-Than-Critical

March 1, 2011

By Robert Beverly

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What’s the real cost of positively, absolutely having to know right now?

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

LEED Platinum Performance for Mercy Corps

February 1, 2011

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.

Practical Implementation Of Chilled Beams For Offices

January 1, 2011

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.

Refrigeration Update

January 1, 2011

By Compiled By ES' Staff

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The phaseout of ozone-depleting refrigerants marches on. Take a look at what is and isn’t allowed, and when.

Editor's Note: One Cool Pitch

January 1, 2011

By Robert Beverly

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Qatar wins World Cup host status, in part by promising to keep outdoor field and crowd temps on the less than stifling side.

Geothermal Success In The Midwest

December 1, 2010

By Kevin Pope P.E. and Dave Thiel P.E., LEED

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For a nonprofit located on the shores of Lake Michigan and an adolescent treatment center in Minnesota, geothermal heat pump systems have been an upfront investment that pays off in terms of maintenance, ROI, and effectiveness within an integrated sustainable design.

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,

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