How does ducted gas heating work?
A ducted gas heating system includes a number of essential components:
- The heater itself;
- Insulated ducts that carry air from and to the heater;
- Vents (also known as grilles or registers) that spread air into individual rooms and return air to the heater; and
- A thermostat.
Gas heaters work by passing cold air over a heat exchanger, which is warmed by gas combustion. The warmed air is then pushed through ducts into the home via a series of vents in the ceiling or floor.
A thermostat is installed in the main living area. This senses the air temperature inside the home and sends a signal to the heater to cycle on, or off, to maintain the desired temperature.
The products of combustion are all discharged safely outside the home, via a flue.
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