The answer to 'what is carbon monoxide detector' is a device that detects the presence of carbon monoxide (CO), an odorless and colorless gas that can be deadly. Carbon monoxide detectors are designed to sound an alarm when they sense dangerous levels of CO in the air, alerting homeowners to the potential hazard.
Carbon monoxide is produced whenever a fossil fuel is burned, such as in gas furnaces, water heaters, fireplaces, and vehicles. Exposure to high levels of CO can cause serious health issues, including headaches, dizziness, nausea, and even death. Carbon monoxide detectors are an essential safety device for any home with appliances or equipment that burn fossil fuels.