Clunk! Thunk! Hiss! Rattle!
If any of these sounds are being made by your furnace, you’ve got a problem on your hands. Mainly, you need to get furnace repairs ASAP. It doesn’t bode well when you delay a furnace repair. Why? Because the issue could magnify and create more issues, or even worsen to the point that your whole furnace needs to be replaced. Some repairs can be pretty dangerous to the health of everyone in the home too.
In fact, we want to zero in on one of the most important repairs that you may need to make on your furnace that you absolutely cannot put off: fixing a cracked heat exchanger.