Multiple dehumidification units allowed for scheduled downtime while maintaining this underground spa’s precise humidity requirements.The Grove Park Inn Resort & Spa is nestled in the Blue Ridge Mountains of Asheville,

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,

Building Automation: Making Commercial Controls Work

December 1, 2010

By Paul Ehrlich, P.E. and Ira Goldschmidt P.E.

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Adequate fee and selective focus can help you walk the time/effort line.

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.

Warming Up To Snowmelt Technology

December 1, 2010

By Kolyn Marshall

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From sidewalks to hospital entrances and helipads, these systems are becoming a more common part of a project’s mechanical infrastructure. Examine differences between ASHRAE’s old and updated classifications, then review design considerations such as heat of evaporation, heat loss to the atmosphere, and back and edge losses. Tubing, spacing strategies, and controls round out the primer.

CLEAVER-BROOKS - Firetube Boiler of the Future

November 1, 2010

By Florian Wisinski

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New EX Technology teams with CFD modeling to aim for tomorrow's standard.

Maintain Sustainable IAQ with DOAMS - Part 1

November 1, 2010

By Milton Meckler P.E., CPC

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MEP designers need to re-examine energy wasteful DOAS practices, which currently contribute to over-ventilation of occupied building space, and refocus on meaningful decoupling of sensible and latent load control using dynamic outside air management systems. Read more on the flexibility and possibility of the author’s proposed solution in data centers, schools, and elsewhere.

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