The answer is yes and no 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.
Can you vent a gas furnace through a wall.
Direct vent chimneys fireplaces.
A gas wall heater or older forced air furnace generally requires a type b double wall metal vent pipe while a new high efficiency furnace requires a schedule 40 pvc vent pipe.
Type b vent pipe.
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 exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber.
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.
So what does this mean.
You cannot just take the vent off an 80 efficient furnace and run it out a side wall.
A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace.
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.
When we are talking about gas furnace vent pipe code we need to talk about the different types of the vents first after all you want to keep your family safe from harm.
Well making sure that you choose the right venting style will protect them.
Read more elaboration about it is given here in respect to this can a high efficiency furnace vent through a chimney.
The efficiency rating of a furnace is called afue annual fuel utilization efficiency.
Louis area home contact jerry kelly your st.
The different types of venting.
Sidewall vent direct vent direct exhaust systems for oil or gas fired heaters.
Louis furnace repair and installation contractor.
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.
You need to use an auxiliary power inducer.
If you have any questions about whether your furnace flue pipe should go through the roof or the side of the house or if you d like a furnace installed in your st.
The inducer motor mimics the negitive pressure of a flue effect on a proper verticle chimney to a horozontal flue vent.
Be sure to check the clearance distances required for your particular heater brand and model.