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Refrigeration

HVACR Industry Wary of R-22 Surplus

R-22 Chugging Along Despite Phasedown

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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The Seven Basic Ice Machine Cleaning Steps

Reliability Benefits from Preventive Maintenance Practices
Developing and sticking to a consistent cleaning process for ice machines not only helps guarantee customers a clean food product time and time again, but it also enables them to reap the most from their investment for many years to come. 


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Five Qualities Fluid Automation Devices Should Possess for Low-Temp Applications

Picking Valves and Other Parts That Can Handle the Harsh Conditions Takes Extra Care
Valves control the flow of compressed air or other fluids, and on cylinders to control motion. But the cold truth is that low temperatures can cause problems for these fluid automation devices all along the line — from selection and delivery to operation and maintenance.


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Purdue Conferences Seek Papers

Concurrent Conferences Set for 2014
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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ICOR Provides Information to the Industry Digitally

Superheat/Subcooling Calculator Goes Digital for Mobile
ICOR International has announced some new support services. One is a digital version of its NU-22B superheat/subcooling calculators in a mobile app. ICOR also announced a new and improved corporate website.


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Opening Up Students’ Minds to Their Job Options

Vocations Can Include the Manufacturing Sector as well as the Trades
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

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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Sept. 11, 2013: DOE Issues Notice of Rulemaking and Public Meeting on Walk-In Cooler/Freezer Efficiency Standards

Public Meeting/Webinar Is Set for October
The U.S. Department of Energy (DOE) has issued a pre-publication Federal Register notice of proposed rulemaking regarding energy conservation standards for walk-in coolers and walk-in freezers. A public meeting has also been scheduled for October.


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Propane, Ammonia, and CO2 Are Natural Choices for Supermarkets

New Technologies Guide Shift from F-Gases

On the horizon are the so-called natural refrigerants. Measurements in real-world applications are continually pouring in, offering more evidence of the potential impact — or lack thereof — that these so-called natural refrigerants possess.


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Efficiency and Volume Top Walk-In Wish Lists

Noise, Cost in High Demand for Restaurant Owners

In restaurants, those large, walk-in refrigerators and freezers need to be energy efficient to help maintain sometimes thin profit margins. And they need to run quietly so as not to disturb customers who may find themselves seated close to the kitchen. 


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2014 SMACNA Annual Convention

Views from the 2014 SMACNA Annual Convention in San Antonio.

Podcasts

NEWSMakers: Chris Mathis

Chris Mathis, president of Mathis Consulting Co. and vice chair of ASHRAE’s residential ad hoc committee, talks about ASHRAE’s exploration into the residential market. Posted on Oct. 17.

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2014 October 27

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EFFICIENCY STANDARDS

DOE has denied AHRI’s petition for reconsideration of walk-in standards. Is it getting harder to reach consensus on efficiency standards?
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