For this reason, the high-efficiency furnaces are sometimes referred to as âcondensing gas furnacesâ as that is what separates them from the previous configurations. With this in mind, there is no longer the need for exhausting through a B-vent but instead the exhaust can be directly through PVC pipe.
COGS also includes other direct costs such as labor to produce the product, supplies used in manufacture or sale, shipping costs, costs of containers, freight in, and overhead costs directly related to the manufacture or production activity (like rent and utilities for the manufacturing facility).
COG: Coke Oven Gas: COG: Course Over Ground: COG: Caught Off Guard (chat/email) COG: Component Obsolescence Group: COG: Coalition of Ordered Governments (Gears of War) COG: City of Glass: COG: Council of Governors: COG: Clusters of Orthologous Groups: CoG: Commodity Grid (Kits) COG: Concours Owners Group (Kawasaki Concours motorcycle) COG: CANDU Owners Group: COG