How do forced hot air systems work?
How do forced hot air systems work? How Does a Forced Air Heating System Work? Forced air heating systems generate heat through natural gas, propane, or electricity. In a gas furnace, a heat exchanger is warmed up by gas ignition and moving air absorbs heat from the exchanger. In an electric furnace, moving air absorbs heat from high-resistance wires. What is the difference between forced air and central heat? Central Air vs. Forced Air. Basically, a forced air system refers to any HVAC system that uses air ducts and vents to send temperature-controlled air into the building. Whereas central heating...