What is a primary source of carbon monoxide in the home?

The primary source of carbon monoxide in the home is often linked to malfunctioning furnace units. A furnace that is not operating correctly can produce dangerous levels of carbon monoxide, which is a colorless, odorless gas that can be fatal if inhaled in high quantities. This can occur due to incomplete combustion of fuel, blockages in the flue, or other mechanical issues that prevent efficient operation.

While other options can contribute to carbon monoxide exposure in specific situations—such as improperly installed oil heaters or excessive use of gas-powered appliances—malfunctioning furnaces represent a more common and significant risk in many residential settings. They are designed to heat living spaces and, when they fail, there's a greater likelihood that they will emit carbon monoxide without adequate ventilation.

Understanding the primary sources of carbon monoxide can help homeowners take necessary precautions, such as regular inspections and maintenance of heating systems to prevent the associated risks.