Boiler house design is a critical engineering process for providing efficient and safe heat supply. The design includes development of heating equipment layouts, piping systems, automation, and safety solutions. Boiler houses are designed for residential buildings, apartment blocks, industrial facilities, warehouses, and public buildings. Design calculations consider required heating capacity, fuel type, and operating conditions. Solutions may include gas, pellet, wood chip, liquid fuel, or hybrid boiler systems. All designs comply with technical standards and fire safety regulations. Energy efficiency and operational cost optimization are key aspects of modern boiler house design. A well-developed design ensures reliable operation and long-term sustainability of the heating system.