Furnace exhaust pipe outside. High-efficiency furnaces have two venting ports. These PVC or CPVC pipes can be inviting to rodents and birds especially in the winter as well as insects mostly in summer looking for a home. Since the exhaust pipe is running on a sidewall the fan works together with the furnace. The PVC pipes are used for air intake exhaust gas and to remove the corrosive condensation resulting from the combustion process.
A furnace vent is a small pipe that carries air from the homes furnace to the outside. These combustion gases include the toxic products of burning natural gas butane or propane. In a normal furnace youll typically only see one motor and fan blower which is used to draw in cool air and blow warm air throughout the house. The exhaust gases exit through this pipe which helps remove moisture and heat from your home.
Once outside look for the intake and exhaust pipes. Other Aspects of High Efficiency Furnace Venting. The intake port also referred to as the fresh-air intake should be connected via piping to the outside.
If you find a thin layer of frost on.
The furnace uses an exhaust vent motor that pushes the exhaust gas through the vent pipe creating a positive static pressure in the vent.
If you have a fresh air pipe from the outside to the return duct to bring in fresh air then that is an open conduit for them. An intake and an exhaust. High-efficiency furnaces have two venting ports. They should be near where your furnace is on the inside. What is code for furnace exhaust. The exhaust port should also be piped to the outside via a separate pipe. They should be near where your furnace is on the inside.
This reduces frost damage risk to your attic or basement.
PVC intake and exhaust vent pipes must be supported all the way from the furnace to the discharge points outside.
A furnace vent is a small pipe that carries air from the homes furnace to the outside.
The exhaust port should also be piped to the outside via a separate pipe.
