Types of Furnaces
What is a “Top-Vent” furnace?
A “Top-Vent” furnace must be vented vertically up through the roof. This way it may be centrally located inside the…
What is a “Direct-Vent” furnace?
Our “Direct-Vent” wall furnace requires installation on an exterior (outside) wall and must vent horizontally through the exterior/outside wall only.…
What is a “Gravity Vented” furnace?
Williams’ “gravity” furnaces have no blower to move the heated air around the room. Heated air is circulated because heated…
What is a “Counterflow” furnace?
A “counterflow” system pulls in room air at the top of the furnace, warms the air across the combustion chamber…
What is the difference between a central furnace and a Williams’ furnace?
A central heating system distributes heat throughout the living space by a duct system which is attached to the furnace…
