This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
Can you vent a 80 furnace through a wall.
What vent pipe is required on top of a furnace.
Example of outdoor and through wall clearances for a direct vent wall mount gas furnace.
If it went out the chimney it would leave more headroom.
The answer is yes and no.
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.
You need to use an auxiliary power inducer.
So what does this mean.
When the vent is withdrawing air from the house it expels the gas outside through the vent.
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.
Be sure to check the clearance distances required for your particular heater brand and model.
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 barometric damper will prevent pulling additional excess air through the furnace.
Taking care of the vent on your gas furnace is extremely important but working improperly and damaging your vent can have catastrophic results.
The combustion air flow through the furnace must be controlled or its efficiency will decline.
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.
You cannot just take the vent off an 80 efficient furnace and run it out a side wall.
The basement ceiling is about 6 1 2 or 7 feet high.