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The evaporator is a major component in the refrigeration system, and an efficient evaporator plays a key role in saving energy.
New refrigerated equipment is being designed to run on so-called natural refrigerants such as ammonia, hydrocarbons, and CO2.
A line of ammonia industrial refrigeration packages ranges from motor-compressor combinations on rails to complete rotary screw compressor packages. The NH3 screw compressors are available in 20-300 hp.
About a month before the AHR Expo, the U.S. Environmental Protection Agency (EPA) indicated it would permit the industry to produce and import 39 million pounds of virgin HCFC-22 in 2013, down from 55 million pounds in 2012.
We are going to look at issues related to a partially restricted filter/drier. For this purpose I have included a service checklist as well as a number of illustrations.
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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