The furnace is located in the stem.
Furnace venting into attic.
Taking care of the vent on your gas furnace is extremely important but working improperly and damaging your vent can have catastrophic results.
If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.
This means that 10 percent or less of the possible energy found in the natural gas that can be used for heat is lost during the combustion process due to venting.
A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace.
The top of the t has soffit vents and a ridge vent.
I have a bathroom exhaust fan that is vented directly into the attic.
This undermines the entire purpose of venting the furnace in the first place.
Or you may have a distance issue.
This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner.
As far as terminating a combustion air vent into an attic i hope every one can understand what can happen in that case it is totally opposite of installing a combustion supply air vent.
When the vent is withdrawing air from the house it expels the gas outside through the vent.
The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber.
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The drain must be installed through the core of the house as water will be flowing during the colder months.
Original installers used pvc to vent the furnace to the roof but combustion air for the furnace is pulled from inside the house.
The roof is a t shaped gable roof.
The stem of the t has soffit vents and no vent at the top.
Joe downs december 31 2017 at 1 47 pm.
This drain removes the excess water that a heating system will generate.
Recently moved into home in eastern ma zone 5 and have a 2 story 3k sqft home.
You might not receive the same air movement benefits if the unit is in a garage either.
Also known as the type b this vent is operating on the natural air convection.
The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement.
These types of furnaces have a dedicated pipeline that runs directly from an outside vent into a sealed combustion chamber of the furnace and a sealed vent to the outside of the home.
You may have a bad boot around the roof vent that is leaking into the attic.
One of the furnaces is in the attic.
It has started to leak water back through the exhaust fan into the bathroom.
A furnace in the attic is a design that works for all homes.
