Why Is My Gas Fire Producing Soot?

Clogged Ports on the gas burner, which can cause the gas to not burn fully or cleanly, causing a buildup of soot to occur. If you suspect clogged ports, having your ports cleaned according to the manufactures instructions can alleviate this issue. Improper Airflow can cause excessive buildup of soot.

Why is my gas fireplace leaving black soot?

Soot buildup is commonly caused by clogged burner ports and improperly positioned fire-logs. ... This contributes to soot formation on the fireplace. Another primary cause of soot is clogged gas burner ports. It creates an unbalanced or incomplete burn, allowing soot to form on the doors and logs.

What causes white soot in gas fireplace?

The most common causes of soot buildup in a gas fireplace are ceramic fire-logs that have been moved out of proper position and burner ports that are clogged. ... The other main cause of soot is clogged ports on the gas burner, which causes an incomplete or unbalanced burn and formation of soot on the logs and doors.