It’s frustrating when a customer complains that their older, inefficient furnace did a better job heating their home than their new, high-efficiency furnace. Some common issues they mention are that the furnace doesn’t maintain comfort, it runs too long, or the gas bills didn’t drop as promised.
Does this sound familiar? What if there is something more you can do to figure out what’s going on? Let’s explore how to check furnace heating output in four steps and see what clues it provides.