The invention discloses a novel close circuit high flow oxygen supply system for continuous/uninterrupted supply of fortified oxygen to the patient in need at his/her home providing the breathing assistance to the patient in his/her home care environment. An unified, closed loop, economic and safe high flow, compressed oxygen supply system is disclosed for treatment at home by providing breathing assistance to patients having different type of breathing problems like Ch. Bronchitis, Emphysema, Respiratory failure, Elderly patient with multiple morbidities and pregnancy with associated dyspnoea and other emergency conditions where external supply of oxygen is needed at home.
