how does a furnace work

Furnace Basics: How Does a Furnace Work?

Furnace Basics - How Does a Furnace Work?

As we head into winter, it’s a good idea to learn a thing or two about the machine that will provide us with heat and comfort throughout the cold, winter days—most likely, a gas furnace. The more you know how a furnace works, the better you can troubleshoot it if something goes wrong. And since

Continue reading