There s basically 4 reasons a vent free gas fireplace will produce soot like you described.
Vent free natural gas fireplace smell.
Do the same if you smell gas inside the home and do not light any matches or lighters before the area has been ventilated.
A vent free appliance requires room air to operate.
Ventless fireplaces are not permitted in some areas.
Before vent free logs are installed in a fireplace it is extremely important to have the chimney and the fireplace thoroughly.
When the room air gets mixed with dirty air it can smell like a petroleum based product.
Allow the gas logs to cure.
Pet hair dander or dust.
So on with the details.
New gas fireplace logs typically have a break in period during which they can smell strongly.
They must be inspected cleaned annually by a professional gas technician.
It draws air in through tiny ports near the burner.
Dust animal hair and other airborne contaminates can cause odd.
For odd sounds like a low rumbling adjust your pilot light and see if it stops.
Some people can live with this smell but people more sensitive to this odor find it intolerable.
Vented gas logs are burned in wood burning fireplaces with the damper fully open so the smell that is produced goes up the fllue.
The log s are out of place and are impinging the flames.
Watch the video to learn about what causes these odors and effective tips for getting rid of them.
So unless you have a poorly drafting fireplace you will not have the odor problem described below if you install vented gas logs.
During my inspection the kerosene type odor was most likely due to a dirty log set and could have been a combo of one or more from the above list.
Despite producing far fewer fumes than vented gas fireplaces a small amount of fumes will still be emitted into your house.
Vent fee gas logs are not maintenance free.
Dust and vacuum the area around the fireplace.
If your fireplace sound more like a roar or a shriek clean the burners or replace the blower if need be.
Combine that with other impurities in your natural gas supply and what you get is a distinctive ventless gas smell.
Gas fireplace odor are you concerned about the odor being emitted from your gas fireplace.
How to prevent vent free fireplace odor step 1.
Other things that can cause more persistent gas fireplace odors include.