Vent fee gas logs are not maintenance free.
Ventless gas fireplace safety.
For starters you may start to see your wall paper peel.
Vent free gas fireplace units have also been known to emit water vapor over time.
Without proper ventilation and safety systems in place there can be serious health risks associated with burning gas in a ventless fireplace.
For instance all gas fireplaces.
The unit hasn t been serviced annually since you purchased it.
Its spent gasses are not returned to the home.
There s basically 4 reasons a vent free gas fireplace will produce soot like you described.
Technically ventless gas fireplaces are safe but you will find just as much resistance to them as you will find supporters.
By contrast vented gas fireplaces which create a dangerously high amount of combustion vent to the outside.
The log s are out of place and are impinging the flames.
Ventless fireplaces produce small amounts of nitrous dioxide and carbon monoxide which can be deadly in large doses.
They must be inspected cleaned annually by a professional gas technician.
While water vapor may not be a direct hazard to human beings like carbon monoxide is when a copious amount of damp warm air begins to fill the home some serious damage can be caused.