The reason for this is to give the air an adequate period of time to warm up and so that cold air won.
At the heat exchanger, the air is heated and then blown through the duct system into the various rooms via vents in the floor, walls or ceiling.
At this point, the gas will typically burn for at least two minutes before the blower starts to disperse heat throughout your home.Basic MaintenanceWhether you have a gas furnace or an oil furnace, some routine maintenance will be necessary in order keep everything running smoothly and to extend the life of your unit.t be pushed through the vents into the rooms in your house at the start.Basically, the thermostat again senses the temperature in the room.
Understanding its parts and how they work together can help you ensure that your unit is operating efficiently, and may even help you perform small repairs yourself rather than spending big bucks on calling in the pros.
Now that you understand the basics of how a gas furnace works, you can probably handle routine maintenance yourself, with a little more research and some online tutorials.If your home has a gas furnace, you may be curious about how it actually works.
The gas then flows through the burners and is lit up by either a spark or the heat from an ignitor.