A modular AHU is an Air Handling Unit built in separate sections or modules rather than as one fixed compact body.Each module is designed for a specific function, such as:filter sectionmixing boxcooling coil sectionheating coil sectionfan sectionhumidifier sectionheat recovery sectionThese modules a

While they seem similar, the primary difference is scale and reach.FeatureAHU (Air Handling Unit)FCU (Fan Coil Unit)SizeLarge, often complex.Small, simple.LocationPlant rooms, rooftops, or basements.Inside specific rooms (ceiling or wall).RangeServices multiple rooms or entire floors.Services a sing