Hello everyone. This is my first post to these forums. I have already learned so much from your collective knowledge so thanks! I have an Avalon Arbor woodstove. It has two glass doors on the front of the stove. Occasionally I notice the glass "creaks" in the front of the stove. Nothing is touching the glass (ie ash or wood). I can't seem to put my finger on why. It’s not predictable but seems to happen most often when I damp the stove down in the back. The stove is less than a year old. My Arbor is particularly noisy as it is but this makes me nervous. I would describe it as an occasional "knock" or "ping". Do I have anything to worry about or is this part of the "normal noise" the stove makes as it heats up. I called my dealer and they are checking with the distributor. They had never heard this one. Am I over analyzing the normal noise?