More 23+ Gas Fireplace Smells
More 23+ Gas Fireplace Smells. If your natural gas fireplace smells like rotten eggs, leave your while it is rare for your natural gas fireplace to leak gas, there are many other reasons why your fireplace could smell funny—many of. We moved in our new home with a direct vent fireplace last jan, the smell it gave off was awful. This was a natural fireplace, used for 15 years with no problem.