Patent ID: 6979260

Claim:
A system for reducing the release of exhaust gases selected from carbon monoxide, smoke and mixtures thereof from an indoor combustion device into the interior of a building housing the combustion device, the system comprising: an air intake mounted on a roof or exterior wall of the building; an air pump in fluid communication with the air intake to draw outdoor air into the building through the air intake when the air pump is activated; a connecting conduit in fluid communication with the air pump to convey air from the air intake to an indoor outlet in the building and increase the building internal pressure when the air pump is activated; a carbon monoxide or smoke detector located within the building that generates a signal in response to the concentration of carbon monoxide or smoke in the building exceeding a threshold value; and a receiver for receiving the signal generated by the detector, the receiver turning on a switch to activate the air pump when the signal is received from the detector.