Nuaire DRI-ECO-HC Drimaster Eco Positive Input Ventilation Unit with Hall Controls in the Ceiling Grille - NO HEATER The DRI-ECO-HC provides whole-home ventilation using the Positive Input Ventilation principle. Essentially the concept is to introduce fresh, filtered air into the dwelling at a continuous rate, encouraging the movement of air from inside to outside. To achieve this, the unit is mounted in the loft space, drawing air through the filters and inputting it, at ceiling level, into the property.
