Can You Vent A 80 Furnace Through A Wall

The wall mount direct vent gas furnace exhaust vent outdoor clearance distances shown in our illustration below are an example adapated from williams 2018.

Can you vent a 80 furnace through a wall.

If you re not sure you have the necessary expertise to handle the equipment tools and materials required to vent a gas furnace don t hesitate to hire a professional. The combustion air flow through the furnace must be controlled or its efficiency will decline. Example of outdoor and through wall clearances for a direct vent wall mount gas furnace. 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 wall and vent it out the side of the house.

The answer is yes and no. The barometric damper will prevent pulling additional excess air through the furnace. You cannot just take the vent off an 80 efficient furnace and run it out a side wall. An 80 efficient furnace can be side wall vented per national fuel as code 7 3 4 with the use of a mechanical draft system of either forced or induced draft design.

This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. The basement ceiling is about 6 1 2 or 7 feet high. Always go by the manufactures installation instructions in short no even if it had a combustion blower as in some 80 furnaces they need a vertical vent to operate as intended and be to code. Taking care of the vent on your gas furnace is extremely important but working improperly and damaging your vent can have catastrophic results.

Also known as the type b this vent is operating on the natural air convection. So what does this mean. If it went out the chimney it would leave more headroom. You cannot just take the vent off an 80 efficient furnace and run it out a side wall.

Replacing a gas furnace whether a wall or forced air furnace requires the appropriate venting to protect your family from carbon monoxide poisoning. You need to use an auxiliary power inducer.