
Why Is My Furnace Overheating?
A furnace overheating and shutting down isn’t a minor issue that you can ignore. Limit switches are designed to turn a furnace off if it gets too hot. If this safety mechanism is kicking in regularly, it’s crucial to get professional help diagnosing and repairing the underlying defect. Quick Takeaways An overheated furnace is indicative of ignition, airflow, or mechanical problems. In most cases, the main cause of this problem is a dirty air filter.







