What is a common indication that a propane heater is malfunctioning?

A yellow or orange flame instead of blue is a clear indication that a propane heater is malfunctioning. In proper combustion, propane should burn with a blue flame, which signifies that the fuel is burning efficiently and that the air-to-fuel ratio is correct. The presence of a yellow or orange flame typically suggests incomplete combustion, which can result from insufficient air supply, a clogged burner, or other issues within the system. This inefficiency not only reduces the effectiveness of the heater but can also lead to the production of dangerous carbon monoxide and an increase in soot buildup, posing a safety hazard.

Recognizing the characteristics of flame color is essential for maintenance and safety checks in propane heating systems, as any deviation from the expected blue flame warrants immediate investigation and possible corrective measures to ensure safe operation.