The minimum recommended room size is based on the heat input of the
appliances a 50 W/m3 for living rooms and 100 W/m3 for other rooms. The recommended
volume of the room must not be less than 15 m3 .
So, for the MINI IR model with a Maximum rate of 2.25 kW (2250 W) the minimum recommended room size would be:
2250/50= 45m3 for living rooms and,
2250/100= 22.5m3 for other rooms (please see safety recommendations in the instructions manual)