Ventilating rooms by opening and closing windows and doors does not guarantee these values in all seasons or continuously. In order for the air quality to always remain good, it is important to use forced ventilation devices. They allow the necessary supply of clean air (to ensure indoor air quality) and also air treatment in different ways, such as filtration (to remove possible pollutants from the outside air), heating, cooling and heat recovery. This way you save energy significantly. That is why Jundap ventilation devices are suitable for forced ventilation with heat recovery in buildings with zero energy consumption.