How Central Heating Works

Diagram of a central air-conditioning system of a house including a network of warm air and cold air ducts.

How do central heating systems work? The diagrams and descriptions in this section define central heating and air conditioning, forced-air furnaces, as well as radiant heating systems. Need Help NOW? Get a Local Heating Pro Fast! A central heating system has a primary heating appliance such as a furnace or boiler located in an out-of-the-way […]