It is becoming increasingly clear that HFC refrigerants are offering a solution to ozone depletion problems associated with CFC's and HCFCs, but have done very little, if anything, about global warming problems associated with the use of CFC and HCFC chemical refrigerants. The GWP of the new HFC family of chemical refrigerants is now becoming a growing concern. This paper addresses that concern along with another major issue surrounding specific energy consumption per square foot of occupied building area for both heating and cooling.
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