Venting Gas Furnace Through Chimney

The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber.

Venting gas furnace through chimney.

If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof. The vent pipe of your gas furnace plays an important role by carrying all toxic gases created during the combustion within the furnace out of the building. A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. You should know how to vent a gas furnace and get rid of the harmful gases for the health and safety of anyone living in your building.

They can t all rise to the top of the chimney so some of them backdraft through the vent pipe itself and enter the home s crawlspace. So which type of venting system should your furnace have. When the furnace exhausts into the chimney the gases quickly cool off before exiting to the outdoors. That depends on whether you have a standard efficiency or a high efficiency furnace.

Furnaces that vent into chimneys can be hazardous but they don t have to be. Guide to choosing installing troubleshooting through wall or side wall venting exhaust devices for heating appliances like oil or gas fired boilers furnaces or water heaters photos examples of sidewall venting or direct venting installations that are improper and or. Also known as the type b this vent is operating on the natural air convection. Sidewall vent direct vent direct exhaust systems for oil or gas fired heaters.

Should my furnace flue pipe go through the roof or the side of the house.