Blog

How Does a Furnace Work?

Furnaces are exquisite appliances that often receive little attention while keeping you and your family warm and cozy. At least, that’s true until something breaks down. Knowing how one works and what you can do to maintain the unit will help it last longer. The Process of Providing Heat The furnace works on a basic process of circulating air through your home. It takes in cooler air and sends it out warmer. That seems simple enough. Here’s a more detailed explanation. First, the furnace has to produce heat. When the thermostat sends a signal to turn on, the mechanism burns...