Refrigerants & Reclaim

July 26, 2013: Conference to Present Low-GWP Refrigerant Research Results

Purpose of Research Is to Identify and Evaluate Promising Alternative Refrigerants
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The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) announced that it will host a conference on the AHRI Low-GWP Alternative Refrigerants Evaluation Program (AREP) on Jan. 16, 2014, in New York City.


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Papers Ponder Ammonia, Heat Transfer

Ongoing Developments Regarding Natural Refrigerants and Continued Commitment to Refrigeration Basics
By Peter Powell
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Making ammonia work in traditional HFC territory, trying transcritical CO2 systems in ice rinks, and examining ways to apply refrigeration principles to heat transfer rates were just three topics of 13 papers (five in Spanish) presented at the most recent Industrial Refrigeration Conference and Expo.


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EPA Warns of Unapproved Refrigerants

Refrigerants Pose Potential Fire Hazard for Homeowners, Technicians
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The EPA is currently investigating instances where propane has been marketed and used as a substitute for HCFC-22 (R-22), a widely used refrigerant in home air conditioning systems.


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FMI’s Energy Conference Addresses Energy Efficiency, Refrigerants

Refrigeration Technology Highlighted
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The Food Marketing Institute (FMI) Energy and Store Development Conference will be held Sept. 8-10 at the Hilton Baltimore in Baltimore. Highlighted educational sessions include Food Retailing 2013: Tomorrow’s Trends Delivered Today, Supermarket Energy Reduction Plans, and more.


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Mixing R-22 with Other Refrigerants Can Create a Mess

New Refrigerants Require Careful Use
By Gordon McKinney
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The dramatic market shift away from HCFC-22 has given rise to a number of new refrigerant options for distributors to sell and technicians to use. The fastest-growing and most-troubling concern being reported today is the practice of mixing alternative refrigerants with R-22.


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Alliance Notes F-Gas Economic Impact

Fluorocarbon Industry Yields Goods and Services in Billions of Dollars
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The Alliance for Responsible Atmospheric Policy (Alliance), an industry coalition, has released a report detailing that the U.S. fluorocarbon industry’s total annual sale of goods and services amounts to $158 billion.


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July 2, 2013: EPA Warns Against Use of Propane as R-22 Substitute

Unapproved Propane-Containing Refrigerants Pose Fire and Explosion Risk
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The U.S. Environmental Protection Agency (EPA) is warning HVAC technicians, home improvement contractors, propane manufacturers and sellers, and homeowners of the potential safety hazards related to the use of propane or other unapproved refrigerants in residential air conditioning systems.


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The Professor: Recognizing, Solving Refrigerant Migration

Eliminating Refrigerant from the Compressor’s Suction Line or Crankcase
By John Tomczyk
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During the off cycle, or especially during a long shutdown, refrigerant will want to travel, or migrate, to a place where the pressure is the lowest. 


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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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HRAI Warns Fire Marshals of Flammable Refrigerant

Refrigerant Contains 'Extremely Flammable' Mixture of Propane and Isobutene
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HRAI released a statement revealing that fire services could be at an additional risk when responding if the building has a highly flammable hydrocarbon refrigerant in its air conditioning system.


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