It s closed off and draws air through a plastic pvc pipe that connects it to the outside.
Sealed combustion propane furnace.
A trane gas furnace is powered by natural gas.
This furnace s design features a sealed combustion chamber making it great for garage or workshop heating.
Windows and doors stay closed because no room air is used for combustion.
Trane offers a wide selection of gas furnaces which come in three different heating stage options.
A second pipe attached to the combustion chamber sends out the exhaust.
Where the furnace draws this air is the difference between standard atmospheric.
The sealed combustion furnace.
The dvag11l direct vent propane wall furnace is designed to heat up to heat up to 375 sq.
A sealed combustion furnace however isn t open to the house.
The combustion chamber is the part of the furnace where natural gas is burnt to create the heat that enters into the heat exchanger.
For combustion to occur the furnace needs to draw in air to mingle with the gas from the burners.
Other technologies found in these furnaces include the ability to work with your cooling system to help reduce indoor humidity during the summer months sealed combustion systems that pull air from outside for combustion and two stage heating.
A sealed combustion propane furnace draws combustion air from the outside and sends exhaust gases directly back outside which can make a sealed combustion furnace significantly more efficient.
The combustion process is entirely isolated from the air in a house.