Chillers & Towers

Variable-Speed Pumps Reduce Energy Use

Ultrasonic Flow Meters are Key to Controlling Energy Management
By Jack Sine
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Hemant Mehta’s WMGroup must be doing something right because his team has been fine-tuning HVAC systems for the same major New Jersey pharmaceutical company since 1984. The latest improvement involved the upgrading of the chiller systems at the company’s 100-acre research and development campus.


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Outdated Factory Transformed into LEED-Certified School

Active Chilled Beams, Dedicated Outdoor Air Help Building Achieve LEED Gold Certification
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Engineers and architects took the seemingly impossible task of recycling an outdated industrial factory into a LEED-Gold showcase of some of the HVAC industry’s most innovative equipment for Asheboro, N.C.-based Randolph Community College (RCC).


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ASHRAE Releases 'District Cooling Guide'

Book Gives Guidance on All Major Aspects of District Cooling Systems
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A new book from ASHRAE, “District Cooling Guide,” provides design guidance for all major aspects of district cooling systems, including guidance on central chiller plants, chilled-water distribution systems, and consumer interconnection.


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Developers, Hotel Boost Sustainability with Water Treatment Technology

Silver Bullet’s Technology Reduces Water, Electricity, and Chemical Use in Buildings
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A historic downtown hotel, the Willard InterContinental, and three top D.C. property developers and owners, joined with Silver Bullet, a water treatment company, to introduce a commercially available system that significantly increases building sustainability by cutting water, electricity, and chemical use in commercial buildings.


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May 22, 2013: Aggreko Introduces New Portable Cooling Tower Line

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Aggreko, a leader in providing temporary power, temperature control, and oil-free compressed air services, has introduced a new line of portable cooling towers into its fleet. The units provide an additional option for companies needing a temporary cooling tower solution.


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Easing Chiller Install and Service

Manufacturers Design Chillers with Contractor in Mind
By Kimberly Schwartz
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While it may never be possible for an HVAC contractor to chill out on the job, installing and servicing chillers continues to be easier and easier, as, according to several manufacturers, today’s chillers are being designed with the contractor in mind.


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Contractor Tips for Chiller Maintenance

Maintenance Contracts Help Prevent Chiller Failure
By Kimberly Schwartz
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When it comes to large equipment that powers HVAC systems, the old saying “an ounce of prevention is worth a pound of cure” definitely rings true. And nowhere is an ounce of prevention more beneficial than with chiller maintenance.


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Centrifugal Chiller Course Highly Regarded by Commercial Contractors

Course Offers In-depth Look at Chillers and Includes Troubleshooting Techniques
By Herb Woerpel
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For more than two decades, Entech Sales & Service in Dallas has offered HVACR professionals an in-depth look at centrifugal chillers, examining assembly, theory, microprocessors, and teardown training through a series of educational sessions heralded as some of the best nationwide.


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Chiller Group Helps Contractors Navigate Field

Chiller Systems Group Meets Annually to Train and Learn
By Kyle Gargaro
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Chillers are complex pieces of equipment and a lot of training and education is needed to keep contractors on the top of their games when dealing with this equipment. 


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Healthy Chillers Make a Happy Hospital

Chiller Optimization Saves Hospital $250,000 Per Year
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The chillers at Broward Health Medical Center were not achieving the kW per ton for which they were rated — a serious problem that they had not been aware of before, and which had probably cost them over $1 million in excess energy use since installation. 


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Joseph Groh, an industry veteran boasting 35 years of HVAC experience, discusses the 2008 bicycle accident that cut his career tragically short, and how the Joseph S. Groh Foundation is his way of giving back to the construction trade. Posted on Aug. 22.

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