How to Fix a Loud Furnace?

Answer The most common cause of a "loud furnace" symptom is actually the ductwork and not the furnace itself. The noises you hear are from your ductwork expanding/contracting as the air inside the ductwor... Read More »

Top Q&A For: How to Fix a Loud Furnace

Loud Noises in a Furnace?

Furnaces can make a range of disconcerting sounds depending on whether they are powered by oil, gas or electricity and depending on the manufacturer. Most annoying sounds are harmless and easily fi... Read More »

How to Quiet a Loud Furnace Ignition Sequence?

Loud noises during the ignition sequence inside a gas furnace indicate combustion problems, typically involving the igniter or dirty gas burners. The loud noise you hear is usually the sound made b... Read More »

Why Is the Furnace Making a Loud Humming Noise?

Tracking down strange noise in your furnace can be aggravating. These systems can make a lot of noises from many different places. When you hear a humming sound that you don’t believe to be the n... Read More »

My fan is loud on my computer it gets loud and then quiet is that normal?