The Zehnder ComfoAir 70 and ComfoSpot 50 compact ventilation units have been optimised further to provide even better ventilation in individual rooms or residential units without a centralised air distribution system. Optional humidity, CO2 and VOC sensors adjust the supply and extract air to the requirements of residents, thus ensuring maximum living comfort in new builds or renovation projects. The washable enthalpy exchanger ensures that the sensors are particularly energy-efficient and offer various advantages for the centralised indoor ventilation system including heat recovery, humidity recovery and optimum ventilation. The high-quality fans and excellent insulation also ensure that they are extremely quiet during operation.