Q. When we had our condo built about ten years ago, we had a gas log fireplace installed. This is not one of the newer enclosed units with an exhaust on the exterior of the building. Ours has a full ...

Q. We live in a historic home (over a hundred years old), but the chimney is estimated to have been built in the 1920's. It is on an exterior (north) wall and is about 40 feet tall. When we bought the ...