Articles by Peter Powell

SkillsUSA Draws Big HVACR Field

August 6, 2012
Who says young people do not want to be a part of the HVACR industry? Amidst the 5,600 vocationally-inclined individuals competing in 94 contests at the annual SkillsUSA National Leadership and Skills Conference, there were 58 in the HVACR event. That was the largest number ever to take part in the HVACR competition.


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More on the Current State of HCFCs, HFCs

August 6, 2012
A recent wave of published reports focuses on new ways to monitor HCFCs during their phaseout period, HFCs in terms of their long-term potential, and how Canada is dealing with the disposal of unwanted refrigerants.


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New Product Rollout Continues

July 30, 2012
As part of its “disruptive innovation” emphasis of recent years, Milwaukee Tool pledges to bring out “more new products faster” than any competitor. What's the latest from the manufacturer?


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Why Refrigeration Is Hot at the SkillsUSA National Leadership and Skills Conference

July 30, 2012
I just spent several days in Kansas City, Mo., for the annual SkillsUSA National Leadership and Skills Conference. Once out of the heat and humidity and inside air conditioned Bartle Hall for the HVACR contest, I found, as usual, lots of attention given to refrigeration.


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Refrigeration Trends Toward Natural Refrigerants

July 2, 2012
Now that the Environmental Protection Agency (EPA) has approved the use of three hydrocarbon (HC) refrigerants in some smaller appliance applications, advocates of HCs are continuing to promote use in larger equipment, with commercial ice machines as well as reach-in/walk-in freezers and coolers possibly next in line.


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Chilling Answers for a Variety of Customers

July 2, 2012
The most recent Food Marketing Institute Expo in Dallas and National Restaurant Association Restaurant-Hotel-Motel Show in Chicago brought out the very latest in ice-making equipment, storage bins, and walk-in freezers and coolers as well as reach-in versions. This roundup of the latest in equipment is culled from both shows.


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R-744: Components, Applications, Training

July 2, 2012
When talk first surfaced a number of years ago about using R-744 (CO2) in commercial refrigeration, there were two challenges — making the refrigerant work as a stand-alone in transcritical applications as well as in cascade systems and developing the components to make such approaches possible. Where does the refrigerant stand currently?


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Breaking the Rules

July 2, 2012
The recent announcements about some folks getting caught for illegal HCFC-22 practices raises an interesting question: What impact will this have in producing better servicing procedures to keep enough of the legally obtained refrigerant available for retrofit?


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Making Ammonia Work in More Ways

July 2, 2012
The conversation on ways to make ammonia work in a wider range of refrigeration applications is drawing increasing attention these days. At the most recent International Institute of Ammonia Refrigeration (IIAR) conference in Milwaukee, technical presentations covered its uses in supermarkets, with heat pumps, in absorption refrigeration, and in conjunction with CO2.


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Finding Refrigeration Is Getting Easier — Sometimes

July 2, 2012
The most important thing for me is to go to the trade shows where refrigeration is emphasized. The most recent examples were the Food Marketing Institute’s Food Retail Show in Dallas this past May, and then the National Restaurant Association’s Restaurant, Hotel-Motel Show a few days later in Chicago.


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Doug Dougherty, president and CEO of the Geothermal Exchange Organization (GEO) joins the program to discuss the latest happenings with GEO, including the drive to get included in state and federal definitions of renewable energy, plus the future of geothermal.  Posted on July 25.

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