22 December 2011

Latest Developments in Low Global Warming Refrigerants for Heat Pump Applications

New refrigeration system working fluids with the positive attributes of both high thermal performance and low environmental impact are currently in development. These materials maintain the high level of system
efficiency we are accustomed to with fluorocarbon refrigerants but with significantly lower global warming
impact than current refrigerants. The evaluation of potential replacements for common heat pump refrigerants
such as R-410A, R-407C, and R-22 will be discussed for several heat pumps applications. Chemical and physical properties for the new molecules, as well as experimental results for the heat pump applications using these developmental refrigerants are compared and contrasted.