Gas Fireplace Smells Like Chemicals. When vent-less logs burn in a fireplace natural gas additives burn along with the gas. New gas fireplace logs typically have a break-in period during which they can smell strongly.
The odor is smells so toxic we do not operate when we are in the home. We had a gas fireplace in our previous home. Last year however it started giving off a chemical smell - not gas or rotten egg smell - but a smell that gave me a terrible headache.
Strange smells coming from your fireplace could be from something that got stuck in the flue so if you think thats the case turn your fireplace off ventilate the house and call a professional if you cant spot and dislodge the obstruction.
Burn your fireplace for three hours to completely burn off any debris. Last year however it started giving off a chemical smell - not gas or rotten egg smell - but a smell that gave me a terrible headache. Pet hair dander or dust. Watch the video to learn about what causes these odors and effective tips for getting rid of them.