Hybrid ventilation

The development of future building concepts that are as energy-efficient as possible includes the use of free cooling, i.e. free cooling energy from the outside air. With hybrid ventilation, mechanical ventilation and natural ventilation can be used equally, i.e. hybrid ventilation. But how can ventilation units of the future support such concepts?

The LTG _Eco2School decentralized ventilation system can, for example, switch to pure exhaust air operation with hybrid ventilation and draw in the required amount of supply air via open windows (controlled via window contact). At acceptable outside air temperatures, half of the fan energy can be saved immediately. The heat recovery unit becomes inactive so that the cooling energy of the outside air is optimally utilized. However, filtration of the outside air is no longer possible here.

However, opening the window is often not a solution as the air quality decreases due to the lack of filtration. With the FVPpulse, it is possible to switch to pure supply air operation when the top window is open, another variant of LTG hybrid ventilation. Now the double, still filtered supply air volume can be fed into the room with almost double the cooling capacity and the exhaust air can escape via the skylight.

LTG Connected Intelligence: room-specific ventilation and air conditioning with and without a higher-level building management system. With decentralized control intelligence. Efficient, scalable, bus-compatible.