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Smaller-Diameter Round Copper Tubes Minimize Refrigerant Volume Compared to Flat Extrusions, Says International Copper Association

New York, NY (May 16, 2011) — The International Copper Association today announced that heat exchangers made using MicroGroove™ copper tubes use less refrigerant than comparable coils made from extruded aluminum tubes with multiple channels. The difference is that the round tubes obviate the large header volume associated with flat tubes. Reduction of refrigerant volume is an important design criterion in today’s environmentally conscious marketplace.

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