How Does a Furnace Work?
If you ever have a furnace problem, it is helpful to understand just how your furnace works. Here’s a brief explanation. The Furnace Process The principle behind a gas furnace is simple enough. Air is heated and pumped out. Here’s the process by which that actually happens. First, the thermostat sends a signal to the furnace that ignites the heating element. This is a burner, similar to something a gas grill uses, that burns either propane or natural gas. It’s the mechanism that creates the heat. Next, that heat rises in the furnace to a heat exchanger. The exchanger transfers...View Article Continue Reading