The means by which air is exhausted from the dryer through a metal duct.

A system that introduces air for combustion into the combustion chamber and disperses spent fossil fuel or flue products.

An opening for combustion gases to exit the house. Can be a chimney or a vent through the wall of the house. Includes all parts of the venting system - vent connector, chimney, etc.

The process of installing roof vents in a roof assembly to relieve vapor pressure. The process of water in the insulation course of the roof assembly evaporating and exiting via the roof vents.

To provide an exit. In gas appliances, venting is used to distribute air through a specific environment to maintain temperature there and to remove dangerous combustion by-products.