Choosing the right furnace for your home is no small feat. It’s not just about picking the most expensive or the most advertised; it’s about picking the right size. One question many homeowners ask is: What size furnace do I need? This question has many implications for your comfort, energy bills, and even the longevity of your furnace. Below, we’ll discuss how to choose the right size furnace for your home and the various factors to keep in mind.