Air Conditioners

Using the P-T Chart to Diagnose Refrigeration, A/C System Problems

January 21, 2013
The purpose of this article is to not only demonstrate the proper use of the pressure-temperature relationship, but to also illustrate how service technicians can use the P-T chart to thoroughly analyze a refrigeration or air conditioning system.


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Spectronics Corp.: Acid Elimination Kit

January 14, 2013
The AB-100CS Acid-Buster™ Injection Kit is designed to bond with acids without forming chemical byproducts and prevents acid build-up in air conditioning and refrigeration systems. Use of the injector requires only one connection to add acid scavenging solution into the system.


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Facts + Figures: Air Conditioner Shipments up Nearly 30 Percent in October

January 14, 2013
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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DCS Industries LLC: Air Conditioner Cage

January 14, 2013
Designed to protect outdoor air conditioning units from theft, both residential and commercial units can be secured with the air conditioner cages. They are constructed of premium-grade steel, and provide the necessary strength for a quality air conditioner cover, the company said.


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Facts + Figures: Shipments Down Except for Commercial Electric Water Heaters

December 10, 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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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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The 2014 ACI National Home Performance Conference & Trade Show was held in Detroit.

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NEWSMakers: Michael Willburn

Michael Willburn, president, Infloor Heating Systems, joins the program to discuss his company, radiant heating, industry trends, and whether contractors are becoming more interested in radiant heating. Posted on July 11.

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