Gas Fireplace Making Humming Noise. A loud buzzing or humming noise coming from your refrigerator is not normal. The good news is that this kind of noise is usually a simple repair and doesn't require.

It varies in pitch and volume when you turn the dials.

My sharp refrigerator emits audible humming sound and only stops when the door is opened. Is this common in a fireplace? This is normal and should last for about 10 seconds. That sound is typically caused by using the corrugated stainless steel gas pipe, and making too sharp of a bend at a corner.