Articles by Peter Powell

Contractors Crucial in Supermarket Perceptions

HVAC Contractors Essential in Supermarkets’ Freshness
By Peter Powell
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To me, cleanliness is extremely important, especially as to what the meat preparation area looks like after it is closed for the evening. I would hope all customers put high priority on store cleanliness and store owners do the same.


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New Directions in Refrigeration

Cooling Uses Water, Magnetics, Stand-alone R-32
By Peter Powell
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With all the talk in recent years, and even more so in recent months, regarding refrigerants like CO2 and hydrocarbons (HCs) making inroads in refrigeration equipment, the trends in the ‘R’ of HVACR are even more widespread. 


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Governmental Action on Refrigeration Safety, Regulations

Warehouses, Supermarkets Among Sites Being Watched
By Peter Powell
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Refrigeration service technicians point out the need to keep up to date with what is happening elsewhere that could affect them. So, from time to time, we like to bring readers up to date on some news items related to refrigeration regulatory and safety issues.


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A ‘Natural’ Tilt by the EPA?

Where the Feds Seem to Stand on Certain Refrigerants
By Peter Powell
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If you want to get some idea of where the U.S. Environmental Protection Agency (EPA) is leaning when it comes to refrigerants, consider that EPA’s GreenChill program gave a “Best of the Best” award to a store using a transcritical CO2 system.


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Making a Case for New Refrigerants, Technology

Plants, Restaurants, Supermarkets Benefit from Latest Developments
By Peter Powell
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There is so much talk these days about new refrigeration technologies and new refrigerants that it is sometimes difficult for contractors to sort out what’s theoretical and what’s actually up and running in the field. Here’s a snapshot of some of the latest refrigerants being utilized across various projects.


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Why the EPA Does What It Does

Top Administrator Talks Science of Regulations
By Peter Powell
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Before we continue to launch attacks at the agency as an easy target, it might be good to step back and examine why the EPA does the things it does. 


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HVACR Industry Wary of R-22 Surplus

R-22 Chugging Along Despite Phasedown
By Peter Powell
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Current inventory of R-22 remains plentiful in the U.S., even as the industry heads toward a total phaseout of the popular refrigerant in 2020.


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Purdue Conferences Seek Papers

Concurrent Conferences Set for 2014
By Peter Powell
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The dates are set for next year’s three concurrent HVACR conferences at Purdue University. For authors wishing to present papers at any of the conferences, the abstract submission deadline is Dec. 20, 2013.


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Opening Up Students’ Minds to Their Job Options

Vocations Can Include the Manufacturing Sector as well as the Trades
By Peter Powell
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During the summer, the U.S. congressman representing the district in which I live visited a Danfoss plant where variable frequency drives (VFDs) are manufactured. In a Q&A with the media, the congressman spoke of the need to introduce young people to the value of being part of the manufacturing sector.


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The Bottom Line on Natural Refrigerants

Conference Presents Business Case for F-Gas Alternatives
By Peter Powell
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A recent state-of-the-industry panel session focused on the cost-effectiveness and energy efficiency of natural refrigerants when compared to the much more common f-gases.


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