Under normal circumstances, an Airmaster ventilation unit often runs according to a combination of demand management and time management. At a school, for example, units often run to a weekly schedule + demand management with CO2 sensors. Not only does this save energy, but it is also best for users of the room, as ventilation is provided as and when required.
Current recommendations are to let the ventilation run for longer than usual, and with a higher capacity. Both the time control and air flow settings are easy to adjust, and this can still be done on a room-by-room basis as needed.
We recommend that the ventilation units are allowed to run at full capacity for a few hours before and after using the room, and even at 30% outside operating hours, when they would otherwise normally be shut down.
A decentralised Airmaster ventilation unit can, of course, ventilate a room by itself, or it can be used to supplement an existing ventilation unit that is unable to ventilate the premises sufficiently. Then you can just install an Airmaster in the room or rooms where ventilation poses the biggest problem.