Refrigerants & Reclaim

Honeywell Gains Nod from EPA for HFO

Refrigerant Aims for Centrifugal Chiller Market
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Honeywell has announced that the U.S. Environmental Protection Agency (EPA) has added HFO-1233zd (also known as Solstice™ zd) refrigerant to the list of materials exempted from volatile organic compound (VOC) regulations.


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Distributor Info Adds to HVACR Equation

Unitary, Mid-Year Reports Showcase Equipment Trends
By Angela D. Harris
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The “HARDI Unitary HVAC Market Share Report” provides market share data and analysis detailing unitary sales based on product efficiency for both ducted and ductless cooling equipment, as well as furnaces and boilers. 


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The Professor: TXV Dos and Don’ts

The Externally Equalized Thermostatic Expansion Valve
By John Tomczyk
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The thermostatic expansion valve (TXV or TEV) is a metering device located between the liquid line and the evaporator. 


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Regulatory Challenges Discussed at Symposium

Refrigeration Technology, Regulations Headline Latest Meeting
By Peter Powell
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Danfoss’ periodic EnVisioneering symposia look at a wide range of HVACR issues and topics. For its most recent event this past fall in Baltimore, the focus was on refrigeration, both in terms of regulations and the latest in technology. 


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DuPont Completes Enforcement Action

Chinese Company Caught Using Counterfeit Refrigerant Cylinders
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DuPont Refrigerants completed an enforcement action involving counterfeit refrigerants, resulting in the seizure of cylinders and packing in Hangzhou, China.


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Nov. 27, 2013: New System Manages Life Cycle of Refrigerants as Assets

Helps Provide Businesses with Supply Chain Transparency and Monetization
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EOS Climate has announced the launch of its Refrigerant Asset System™ (RAS), a cross-sector business model that focuses on refrigerants as assets. Refrigerants have traditionally been treated as consumables in a linear model, in that they are produced, used, and replaced on an ongoing basis.


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Nov. 26, 2013: US Eyeing R-134a Imports from China

Department of Commerce Asked to Impose Sanctions on Imports of the Refrigerant
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The latest skirmish concerning possible illegal refrigerants coming into the United States involves HFC-134a from China. A petition has been filed with the U.S. Department of Commerce in which Louisiana-based Mexichem Fluor has asked the government to impose sanctions on the imports.


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Refrigeration Technology Considered at EnVisioneering Symposium

Event Also Looks at Regulatory Challenges
By Peter Powell
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Danfoss’ periodic EnVisioneering symposia look at a wide range of HVACR issues and topics. For its most recent event this past fall in Baltimore, the focus was on refrigeration, both in terms of regulations and the latest in technology. 


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The Professor: Refrigerant Undercharge

Dealing With R-134a Shortfall in a System
By John Tomczyk
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John Tomczyk, Professor of HVACR at Ferris State University and co-author of Refrigeration and Air Conditioning Technology, discusses refrigerant undercharge.


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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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