HEAT-SAVING ROOM VENTILATION DEVICE

摘要

FIELD: use of energy recovery systems in air conditioning, ventilation or screening, particularly to vent room heated with gas heaters. ^ SUBSTANCE: device comprises fan with air ducts, smoke flues made of metal pipes arranged under room ceiling and heat recuperator. The recuperator is made as box enclosing the metal pipes over gas heater and provided with gate formed in lower recuperator part. The reculerator sides have connection pipes. ^ EFFECT: improved exhaust gas hear recuperation. ^ 2 dwg