Refrigeration

Honeywell Announces New Refrigerant

February 25, 2013
Honeywell has announced the availability of an HFO refrigerant, which it trademarks as Solstice™ L-41 low global warming potential (GWP) refrigerant, designed as a lower GWP alternative to R-410A.  


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Taking Opposite Sides on the Same Refrigerant

February 25, 2013
This past fall, the automobile manufacturer Daimler came out saying it was holding off using HFO-1234yf for auto air conditioning even though a directive from the European Union was calling for moving away from HFC-134a. Some saw that as a question about how much traction HFOs were getting as long-term alternatives to HFCs.


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2013 AHR Expo Product Roundup: Refrigeration + Ice Machines

February 18, 2013

The NEWS staff was very busy at the AHR Expo in Dallas, seeking information on new products. Here is a comprehensive list of the refrigeration and ice machine products we found on the show floor.


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The Professor: Compressor Overheating

February 11, 2013

Compressor overheating is often referred to as the HVACR industry’s most serious field problem.


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Ice Breaker: Hand Tool Safety

February 11, 2013

Many careless injuries are the result of rushing to complete a task and not taking the necessary time to do it right.


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Considering Cascade, Transcritical, Transport, and Heat Pumps

February 11, 2013

CO2 as a refrigerant in cascade supermarket systems, transcritical applications, transport refrigeration, and heat pumps were among major developments in recent years. Here is a summary of those developments.


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EPA Further Tightens the R-22 Spigot

2013 Allocation Reduced to 39 Million Pounds
February 4, 2013
It appears as if the spigot of new R-22 available to HVACR contractors has been tightened even more in 2013. Users of the world’s most popular HCFC could expect close to 30 percent less of new R-22 this year than last, according to some reports.


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Emerson Climate Technologies: Commercial Refrigeration Condensing Unit

January 28, 2013
The Copeland Scroll™ FFAP Series condensing unit utilizes the Copeland Scroll ZSKA refrigeration compressor (1.5 to 5 hp) and is compatible with a variety of refrigerants, including R-404A, R-134a, R-407C, and R-22. It also has a wide operating range (from -30° to 45°F) of evaporator temperatures. 


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KE2 Therm: Undercounter, Walk-in Refrigeration Controller

January 28, 2013
Designed to control refrigeration units, the KE2 Temp + Defrost saves time on installation by eliminating the need for both a time clock and defrost thermostat, the company said, requiring only wires to connect power, solenoid, and temperature sensor. 


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Heatcraft Worldwide Refrigeration: Refrigeration Monitoring and Controls System

January 21, 2013
An enhanced monitoring and controls system allows restaurants to actively manage their refrigeration using a web-based solution. The Remote Refrigeration Control (RRC) provides real-time reports and alerts, which empowers users to manage the integrity of their food supply from any location.


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