FIELD: ventilation.SUBSTANCE: invention relates to ventilation and air conditioning systems with modes of regenerative heat recovery and can be used to create comfortable microclimate conditions in residential, administrative and industrial premises. Air conditioner with vortex elements containing a mixing chamber, a heater and an irrigation unit, a supply fan that supplies air to the room through the air distributor, and a sensor that registers humidity is installed in the conditioned room, and a temperature sensor, a heat exchanger installed in the mixing chamber with a confuser and a tangential pipe, and the air is processed in an apparatus for heat and air treatment, consisting of two steps: first stage is a multifunctional device with counter-swirling flows and is designed to clean recirculated air from dust, as well as to humidify the air, and includes a housing with a container for collecting liquid, in which there is a pump with a filter for recirculating fluid through the pipeline and feeding it thro
