200C PRANIC the heat recovery is a double flow ventilation system (air inlet and outlet are made simultaneously, without mixing of air flows). The system eliminates the air in the room is contaminated with small particles of dust, smoke and ensure clean and fresh air intake from outside. Also airflow admitted and discharged through different channels and do not mix. During ventilation, the copper exchanger heat transfer occurs, which actually and power efficiency of the system in any season. Prana system G3 now includes filters that clean air plant pollen, spores, which allows the rooms with fresh air supply by a factor of quality energy up to 93%. The ability to control the application amount of air inlet and outlet provides comfort in the house!