Venting A Gas Furnace Through The Wall

As long as you can find an inconspicuous location to vent the gases the sidewall is the way to go for a retrofit.

Venting a gas furnace through the wall.

Since the exhaust pipe is running on a sidewall the fan works together with the furnace. If your furnace has an afue rating below 90 percent it will most likely have a flue pipe that goes up through your roof. Gas or oil fired side wall power vents are provided by several manufacturers listed at the end of this article. You ll want to know the thickness of your walls so you can properly prepare for your wall penetration if venting through an exterior wall to a horizontal termination.

You can vent anything out the wall there just needs to be an inducer motor to be sure the exposed vent on the interior of the home stays in a negative pressure. Should my furnace flue pipe go through the roof or the side of the house. Keep it away from landscaping. Side wall vent systems save time and money and are excellent for electric to gas oil renovations new construction or for replacing deteriorated chimneys.

So which type of venting system should your furnace have. Side wall venting saves costly materials and labor on two three or more story runs. That depends on whether you have a standard efficiency or a high efficiency furnace. Unfortunately the grey ultravent pipe used wasn t up to the job and was recalled.

Proper sidewall venting requires installing separate vent pipes horizontally so that they vent to the outdoors through a wall of your home. The fix was to use double wall b vent with an external power venter. Gas furnaces usually come with their own specifications. Are you venting through a wall to the exterior for a horizontal termination or through the roof with a vertical termination.

Also known as the induced draft fan this one has a fan that is located on the end of the pipe. This water is corrosive so be careful where it is pumped to i e. It will draw in air for the combustion and then expel the fume outside. The vent pipe must overlap at each joint to prevent gas from leaking.

Adhere to them even if you are building the vent on your own. The diameter of the vent pipe should always be larger than that of the gas furnace flue ensuring that no gas escapes from the pipe. It also increases living space by cutting out interior chases. The inducer motor mimics the.

These ventilation pipes should be isolated from the furnace combustion chamber and made airtight to eliminate the possibility of combustion gas leakage.