RSES Journal Winter 2025, RETA-RSES

Not only do they use less raw material, they also enhance heat transfer when produced with inner grooves. Small Diameter Copper Tubes Offer Design, Supply Chain and Performance Benefits

BY MARCUS ELMER

A s global demand for copper contin ues to rise, driven by the rapid growth of data centers, clean energy and grid modernization, consid erations about supply stability are emerg ing. According to the August 2024 S&O Global Report—Copper in the U.S.: Opportunities and Challenges, 1 commis sioned by the Copper Development Associ ation (CDA)—copper demand is expected to double by 2035, presenting challenges and opportunities across various indus tries. Fortunately, the outlook for copper supply remains strong. The U.S. holds over 275 million metric tons of copper reserves and resources—enough to meet the nation's projected demand for the foreseeable future—and with strategic initiatives in mining, refining and recycling,

high-performance thermal management, driven by the emergence of data centers and AI infrastructure, has amplified these demands. This positive trend highlights the crucial role of small-diameter copper tubes as a forward-thinking, sustainable choice for high-performance HVACR systems. For manufacturers, this necessitates the design of systems that perform well and can be produced at scale using dependable materi als. Copper remains a standout option due to its exceptional performance, versatility and

sustainability. Whether developing high efficiency heat pumps or optimizing coil designs, copper provides the necessary conductivity, strength and recyclability that modern HVACR systems demand and customers expect. Additionally, the availability of

its supply chain is well-posi tioned to support this increas ing demand. Copper Tubes Help Meet the Energy Challenge In residential, commer cial and industrial sectors, HVACR systems are increasingly challenged to enhance energy effi ciency, comply with envi ronmental regulations and function reliably under complex conditions. The growing need for scalable,

Copper tubing modified with inner-grooved surfaces enhances heat transfer by increasing the internal surface area, optimizing system efficiency and reducing overall operational loads. www.rsesjournal.com

32 RSES Journal WINTER 2025