Market demand and global sustainability goals are encouraging HVAC/R manufacturers to innovate with more energy-efficient and environmentally responsible systems. To meet these evolving standards, engineers are rethinking heat exchanger design from the inside out, starting with the tubes that manage heat transfer and refrigerant flow. 

Reducing refrigerant use is a growing goal in modern HVAC/R design since this lowers emissions and improves overall system safety. A proven-effective approach is the use of small-diameter copper tubes. Their reduced internal volume allows for a substantial decrease in refrigerant charge while still delivering strong thermal performance. Combined with copper’s high conductivity, mechanical strength, and long-term reliability, these smaller tubes support the development of efficient and durable HVAC/R systems.