Articles by Peter Powell

Transport Refrigeration Travels CO2 Route

By Peter Powell
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New directions in transport refrigeration involve cryogenics and carbon dioxide (CO2). Thermo King, in Minneapolis, MN, is using cryogenics technology to create what the company said is cleaner, quieter, and more efficient temperature control. The cryogenics transport refrigeration systems use liquid CO2, eliminating the need for ozone-depleting commercial refrigerants.
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Coleman Tees Up Cool Solution

By Peter Powell
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Coordinators of the PGA Tour annually include the FedEx/St. Jude Classic as a key stop on the tour. The fact that the stop is usually scheduled in late June means golfers and spectators alike get to experience Memphis at the height of its heat and humidity. During the most recent event, one of the popular locations was the Coleman Heating & Air Conditioning mobile display trailer. The air conditioned trailer, which showcased the company’s cooling and heating equipment, was a busy site.
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Number Crunching For The Future Of HVACR

By Peter Powell
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In many ways, SkillsUSA-VICA is a number-crunching experience. Consider: Some 12,500 students, teachers, and business partners descend on Kansas City, MO, each summer for five days. Most of the time is set aside for speeches and seminars. One day is set aside for the SkillsUSA Championship. More than 4,000 vocational and technical students compete hands-on in 73 different trade, technical, and leadership fields.
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Overcoming Annual Meeting Overkill

By Peter Powell
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The double whammy of time and cost rears its head when every association announces its annual conference. Count up the number of associations that any one person or company might be affiliated with and those time and cost concerns increase.
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Hotel Chain Stands By Desuperheating

By Peter Powell
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Sales Engineering, Contracting & Associates (SECA), a design-build mechanical contractor and purchasing agent, has worked with several Melia hotels over the years on various projects. Since the early 1990s, the firm has assisted 10 of the chain’s resorts, improving existing potable water systems and providing significant hot water cost reduction.
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Going Against Convention

By Peter Powell
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When a project consists of 430,000 square feet of refrigerated space, conventional wisdom would suggest a cooling system consisting of a large mechanical room with a refrigerant such as ammonia. But the new International Produce Market in Chicago is going against convention. Instead of a mechanical room, there are more than 100 rooftop condensing units. Instead of ammonia, the refrigerant of choice is R-22.
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IIAR ‘Remains Strong’ In Tough Economy

By Peter Powell
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“The year has presented challenges for the industry as a whole and for many of us as individuals. But through it all, we have persevered and remained strong.” Those were the words 2001-02 chairman Steve McLeod used to open the annual conference of the International Institute of Ammonia Refrigeration (IIAR).
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Idea Of CO2 With Ammonia Sparks Renewed Interest

By Peter Powell
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When it comes to CO2, what goes around, comes around. Carbon dioxide as a refrigerant was popular from the late 1800s to the 1930s, before giving way to CFCs. CO2 is now the subject of renewed interest.
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Fitness Club Seeks Ideal Indoor Air As Part Of Retail Store Retrofit

By Peter Powell
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At The Rush Fitness Complex, one thing president/ceo Larry Gurney didn’t want was a rush of air from the hvac system. So, planners decided not to try to keep the existing metal ductwork in the former Service Merchandise store in the Knoxville Shopping Center. As part of the $1.5 million retrofit Gurney chose fabric air dispersion systems to distribute even, draft-free airflow onto members.
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Speaking Gig Leads To IIAR Chairmanship

By Peter Powell
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Morris Eisert’s ascension to the 2002-03 chairmanship of the International Institute of Ammonia Refrigeration began by climbing the podium at an IIAR conference in 1985.
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