ECONOMISER OF WINDOW UNIT

摘要

FIELD: heating. ^ SUBSTANCE: economiser of window unit includes heat insulating housing in which there is heat exchanger with cold and warm developed sides respectively. End parts of heat exchanger are connected to holes of insertion tubes with removable controlled valve. Insertion tubes have air inlet and outlet connection pipes during ventilation of rooms. In removable controlled valves there are filtering soundproof inserts respectively. Removable controlled valves can be equipped with fans for forced ventilation. ^ EFFECT: design allows saving the heat during ventilation of rooms during winter period. ^ 2 cl, 4 dwg