Up your building’s efficiency with Samsung HVAC Hydro units. With refrigerant-to-water heat exchangers to recover waste heat from condensing units and two types to choose from, there’s a unit sure to fit your needs. Select the HE model for outlet water up to 122°F (50°C) and the HT model for its advanced Cascade Cycle technology, capable of supplying water reaching 176°F (80°C).