9 Signs of a Broken Furnace (and What to Do About It)
Although we rely heavily upon our furnace, it's usually tucked away unseen. Here are 9 signs it may be broken.
Ah, the trusty, dusty furnace. Although we rely heavily upon this machine's service, it's usually tucked away in some dark, unseen place. For many people, it goes unnoticed until something goes wrong.
9 Signs of a Broken Furnace
1. Strange noises (banging, rattling, squealing)
2. Yellow pilot light instead of blue
3. Rising energy bills
4. Uneven heating throughout the home
5. Frequent cycling on and off
6. Difficulty starting the unit
7. Poor air quality or excess dust
8. Carbon monoxide detector going off
9. The furnace is over 15 years old
What to Do
If you notice any of these signs, contact a professional immediately. Some issues, like carbon monoxide leaks, require urgent attention.
Bottom Line
Don't ignore the signs of a broken furnace. Contact Air Force Heating for professional diagnosis and repair.



