Air Conditioners

Retrofitting with HFCs

December 3, 2012
Now, more than ever, the industry has been looking for alternatives to R-22 to keep the huge existing base of R-22 equipment up and running. More reclamation has been one option. But at the same time, attention is being paid to a large number of HFC refrigerants that can be retrofitted into R-22 equipment.


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Retrofit Round-up: Plenty of Options

December 3, 2012
Because no one HFC refrigerant can be retrofitted efficiently into the entire range of R-22 equipment, a wide and sometimes changing variety of HFCs have entered the market. The NEWS contacted a number of refrigerant manufacturers asking them to discuss some of their most popular HFCs for R-22 retrofits.


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A Glance at CO2 and HFOs as Refrigerants Now and in the Future

November 26, 2012
Two recent refrigerant developments focus on CO2 and HFOs. One relates to CO2 in refrigeration; the other is an announcement of an HFO in air conditioning.


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Regional Standards Lawsuit Enters Mediation

November 19, 2012
A ruling to the pending regional standards lawsuit may be less than a month away. American Public Gas Association (APGA) executive vice president Dave Schryver confirmed that the lawsuit, APGA v. U.S. Department of Energy (DOE), has entered mediation and that an agreement between the two parties could occur very soon.


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Innovations Presented at Purdue Conference

November 19, 2012
Improving heat exchanger performance is one part — a critical one — in enhancing the overall system performance in HVACR systems. What is one way to do it?


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Facts + Figures: Shipments A Mixed Bag in August

November 19, 2012
Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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New Reports on Refrigerants Released

Research Balances Low GWP with Energy Costs
October 29, 2012
Two new reports that provide detailed studies of refrigerants have recently been released. The research is evaluating how newer refrigerants — ranging from HFC and HFO f-gases to natural refrigerants such as ammonia, CO2, and HCs — stack up against the current crop of popular refrigerants.


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LG Electronics USA Air Conditioning: Duct-Free Systems

October 15, 2012
The wall-mounted model added to the Art Cool™ duct-free system line is elegantly styled and allows for increased airflow throughout the room, according to the company. The 12K Btuh offers SEER up to 26, and the 9K model offers up to 28 SEER.


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Facts + Figures: A/C, Warm Air Furnace, Residential Water Heater Shipments Up in July

October 1, 2012
Source: Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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Nu-Calgon: Outdoor Coil Cleaner

September 24, 2012
Equipped to assist in the annual cleaning of outdoor residential or light commercial air conditioning or heat pump coils is the TriClean 2x coil cleaner. It is designed with an integrated sprayer that allows the user to connect to a hose, clean, and rinse.


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