MicroGroove Heat Exchangers Ready for Use in Residential Refrigerators: Smaller Diameter Copper Tubes Favored for Efficient Household Appliances

According to the International Copper Association, Inc. (ICA), MicroGroove has played a key role in the development of refrigeration systems made with propane (R-290) and isobutene (R-600a).  The long-awaited U.S. EPA Final Rule allows 150 grams (5.29 ounces) of propane or isobutane to be used in household appliances in accordance with the 2017 UL standard 60335-2-24. It was published on August 8, 2018 [Reference 1].