The flexible ventilation solutions in the Zehnder Carma product range are equipped with highly efficient heat recovery and are suitable for installation in various properties such as offices, schools, nurseries, shopping centres, apartment buildings, restaurants, etc., both in new buildings and in renovations. The pre-installed, pre-configured ventilation unit allows for easy plug-and-play installation, and the control panel mounted on the ventilation unit ensures easy installation, configuration and operation of the unit. The Zehnder Carma range is available in 7 sizes, 8 configurations and 5 operating modes.