A DH Heater is used to heat district heating water in Combined Heat and Power Plant that simultaneously supplies electricity and warm water to a large apartment complex constructed in recent years or a small district heating system that uses waste heat from a city waste incinerator. The structure and the heating method are the same as the feedwater heater,but focused on featured usage,it is called as D.H. Heater,which is divided into Single-zone type and 2-zone type L. P. Heater.

ENERGYEN has superior technology and competitiveness for basic and detailed design of LP&HP Feedwater Heaters. ENERGYEN can perform design and manufacturing for LP&HP Feedwater Heaters in accordance with International Code(ASME,HEI,TEMA,METI etc).