Patent ID: 6742516
Filing Date: 2004-06-01
Classification: F23L,F24B,Y02E,Y10S

Abstract:
A system for ventilating the interior of a building surrounded by an outdoor ambient, said system comprising:a fireplace including a firebox; an exhaust gas flue connected to said firebox for exhausting gas from said firebox to the outdoor ambient; a motor-driven draft inducer connected to said exhaust gas flue for forcing exhaust gas flow out to the outdoor ambient; a channel for conveying outdoor ambient air into the building interior; a motor-driven blower within said channel for forcing ventilation airflow into the building interior to replace building interior air lost to exhaust gas flow; and a temperature sensor responsive to a temperature rise caused by a fire in the fireplace, and connected to said draft inducer and to said blower for initiating forced exhaust gas flow and forced ventilation airflow when there is a fire in said fireplace.