Articles by Peter Powell

HCs: Revisions, Efficiencies, Warnings

Examining, Tweaking, and Considering the Legality of Hydrocarbon Refrigerants
By Peter Powell
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The road to wider use of HC refrigerants remains a rocky one — although it is still being navigated. The latest developments involve more revisions to the regulatory landscape, the tweaking of a refrigerant mix to make it more energy efficient in certain applications, and, as always, warnings about flammability.


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Restaurant Applications on Display at NRA

Contractors Find Expertise Needed Beyond Ice Machines, Freezers, Coolers
By Peter Powell
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Regarding food service, refrigeration contractors are most concerned and familiar with ice machines, freezers, and coolers. Outside of the restaurant industry, HVACR contractors can be found spending a great deal of attention on the preservation of wine, which requires refrigeration, spot-cooling air conditioning, frozen food treat dispensers, and alternative ways of using CO2.


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Learning About CO2 as a Refrigerant

As Uses Grow, Need For Training Increases
By Peter Powell
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As the industry continues to introduce more equipment using CO2 as a refrigerant, the need for training to work with that gas is growing. In a recent announcement, Scotland-based Star Refrigeration is offering training in that regard through its Star Learning Solutions program.


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A Modern Marvel

Refrigeration Gets Its Props
By Peter Powell
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At last. Some props to refrigeration in supermarkets. In the interest of full disclosure, I should say that I saw the kudos recently at midday on a weekday (when many, including myself, should have been working), on a cable TV show (“Modern Marvels”) on the History Channel.


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The Complex Restaurant

World Refrigeration Contractors Need Voice in Volatile Sector
By Peter Powell
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Contractors and service technicians who work in restaurant refrigeration need to understand something: As valuable as their services are, they are — in the mindset of restaurant decision makers — only one part of a complex and often confusing equation.


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Microchannel Coils Heading Toward Refrigeration Applications

Residential Market Expands to Commercial HVAC; Refrigeration on Deck
By Peter Powell
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Those small-diameter coils — with names like MicroGroove, microchannel, and micro-multichannel — have gained a beachhead in residential heating and air conditioning, and are advancing in commercial HVAC, with refrigeration on the horizon.


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Transitions Abound at IIAR Conference

IIAR Elects New Chairman; COO Announces Retirement
By Peter Powell
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International Institute of Ammonia Refrigeration (IIAR) is experiencing a double transition in 2013 as it elects a new chairman and bids fairwell to its retiring Chief Operating Officer.


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Looking Beyond Low GWP

Environmental Regulators Should Consider Refrigerant Performance as well as Global Warming Potential
By Peter Powell
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Now that the battle regarding ozone depleting potential (ODP) refrigerants has ended with the phaseout of CFCs and HCFCs, the fighting has shifted to issues related to the global warming potential (GWP) of the remaining and newly developing refrigerants.


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A Natural Shift to HCs

Global Acceptance of Hydrocarbon Refrigerants is on the Rise
By Peter Powell
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The attention being paid to so-called natural refrigerants is showing a shift toward hydrocarbon refrigerants, even as CO2 gains a stronger foothold and ammonia maintains a high profile. But, whether or not there will be a dominant natural choice remains unclear even in Europe, much less North America.


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Industry Encourages Cap Use on Refrigerants

Recent Deaths Demonstrate Dangers of Huffing R-22
By Peter Powell
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According to the website www.inhalants.org, one in five students has inhaled a chemical to get high by the eighth grade.


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