As data centre cooling demands intensify, heat-transfer efficiency has become critical to performance, sustainability, and cost control. This session takes a practical deep dive into how brazed plate heat exchangers can optimise cooling systems and improve overall efficiency. Attendees will explore key factors influencing heat-transfer performance, including temperature approach, pressure drop optimisation, design characteristics, and fluid properties. The session will also explore LMTD and heat-transfer and the impact of fouling.