TVS is a ductable thermoventilating unit, designed to guarantee high heads in small or medium-sized rooms with nominal air flow rates from 800 to 5200 m³/h. As standard, it is suitable for 2-pipe systems, but the availability (as an accessory) of the secondary water coil, which can be installed inside the unit downstream of the main coil, makes it also suitable for 4-pipe systems. The unit is suitable for both horizontal installation in the false ceiling and vertical installation on the wall for greater versatility of use.