Thermal Energy Calculator Enter The Composition, Average Liquid Temperature, And any 2 from Volume, ΔTemperature, and Thermal Energy % Mass Composition Average Liquid Temperature (°F) Volume (L) ΔTemperature (°F) Thermal Energy (BTU) 100% Water Propylene Glycol Ethylene Glycol 20% 30% 40% 50% Calculate Flow Calculate ΔTemperature Calculate Thermal Energy