This paper presents further developments in a new study of a hybrid ventilation system suitable foruse in domestic buildings or classrooms. Currently the hybrid system is used solely for providing fresh,warm air. The system consists of a wall-mounted convector unit coupled with an extract fan to drawthe air into the convector. Fresh air from outside is tempered by circulating water around an internalheat exchange coil, before it passes into the room. This allows a constant supply of clean, filtered,conditioned air.
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