Refrigeration

Bitzer Rolls Out Products at RETA Event

February 25, 2013
Bitzer U.S. Inc. launched new products at the Refrigeration Engineers Technicians Association (RETA) show in San Antonio this past November. The company announced it was assembling ammonia packages ranging from simple motor-compressor combinations on rails up to complete rotary screw compressor packages.


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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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