Can You Vent A 80 Furnace Through A Wall

The answer is yes and no.

Can you vent a 80 furnace through a wall.

The barometric damper will prevent pulling additional excess air through the furnace. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. Be sure to check the clearance distances required for your particular heater brand and model. Taking care of the vent on your gas furnace is extremely important but working improperly and damaging your vent can have catastrophic results.

What vent pipe is required on top of a furnace. You need to use an auxiliary power inducer. If it went out the chimney it would leave more headroom. 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.

Also known as the type b this vent is operating on the natural air convection. The basement ceiling is about 6 1 2 or 7 feet high. So what does this mean. 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. 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. Example of outdoor and through wall clearances for a direct vent wall mount gas furnace. You cannot just take the vent off an 80 efficient furnace and run it out a side 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. The combustion air flow through the furnace must be controlled or its efficiency will decline.