Gas Furnace Venting Through Chimney

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

Gas furnace venting through chimney.

When the furnace exhausts into the chimney the gases quickly cool off before exiting to the outdoors. The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof. For many homes a gas furnace is the preferred heating device it has proven to be an efficient and reliable way of meeting household heating needs over the years.

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. The conditions explained in this post also apply to the wood burning appliances. Direct vent chimneys fireplaces. 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.

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. Sidewall vent direct vent direct exhaust systems for oil or gas fired heaters. Furnaces that vent into chimneys can be hazardous but they don t have to be. Consequences of improperly assembled vent pipes problematic chimney flue deteriorating chimney walls can be sometimes fatal fire and carbon.

So which type of venting system should your furnace have. That depends on whether you have a standard efficiency or a high efficiency furnace. We are getting a new 95 efficient gas furnace and it has been mentioned that there are two options for venting it out of the walk in unfinished basement. When the vent is withdrawing air from the house it expels the gas outside through the vent.

A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. Also known as the type b this vent is operating on the natural air convection. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. It could either go out the unused walled in chimney that the oil furnace was vented through or they could cut a hole in the concrete block wal.