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The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) announced the revision of AHRI Standard 880, “Performance Rating of Air Terminals,” to include end reflection loss (ERL) to better predict sound generated by air terminal units.

July 6, 2012: AHRI Publishes Standards Establishing Rating Method for CO2 Compressors

July 6, 2012

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The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) announced the publication of standards 570 (I-P)-2012 and 571 (SI)-2012, which AHRI stated provides for the first time a rating method for compressors and compressor units that use CO2 as a refrigerant.

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2013 ACCA Conference & IE3 Expo

Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.

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Selling Zoning is Easier Than You Might Think

This overview of the benefits of zoning includes tips for selling to consumers and businesses. Tom Jackson discusses options for new construction and retrofit, as well as some ways a residential contractor can get into the light commercial business with zoning products. Speaker: Tom Jackson, CEO, Jackson Systems

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