Application‑driven Liquid Heat Exchangers segmentation reveals a diversified demand profile that shapes the market’s revenue landscape. Power generation remains the largest consumer, responsible for approximately 30 % of sales, as steam‑cycle and combined‑cycle plants rely on high‑capacity exchangers for condensate recovery and turbine‑cooling. Oil & gas operations account for about 25 %, driven by the need for temperature control in upstream processing, refinery heat‑integration, and petrochemical feedstock preparation. Chemical processing contributes roughly 20 %, where precise thermal management is essential for reaction kinetics and product quality across polymers, fertilizers, and specialty chemicals. The HVAC sector, representing 15 %, leverages compact plate and shell‑and‑tube units to achieve energy‑efficient heating and cooling in commercial and residential buildings. Finally, Food & beverage applications comprise the remaining 10 %, emphasizing sanitary design, rapid cleaning, and temperature stability for pasteurization, brewing, and dairy processing. This application taxonomy quantifies each end‑use’s share, providing a clear framework for forecasting growth trajectories across the liquid heat exchanger market.