Copper metal as well as many copper alloys have remarkable antimicrobial properties. This phenomenon has implications not only for touch surfaces but also for HVAC components.
Copper HVAC components suppress the growth of bacteria, mold and mildew that reduce system efficiency and cause product deterioration or foul odors. A US EPA "Treated Article Exemption" registration for copper alloys in HVAC applications was granted in September 2010.
All-copper heat exchangers offer