Note: Do not solely rely on sense of smell. Be aware that some individuals may not be able to detect the odorant because they have a diminished sense of smell, olfactory fatigue or because the odor is being masked by other odors in the area. Certain conditions may cause the odorant to diminish so that it is not detectable. Some gas lines, due to their unique function, may not have
odor at all.
There are many carbon monoxide detectors on the market. Regardless of brand, the detector you purchase should meet current UL standards and must be installed and operated according to the manufacturer's instructions.
Stuffy or stale air
Very high humidity
Fallen soot from your chimney or draft hood
A hot draft coming from your draft hood
If carbon monoxide has been backing up into your living space for some time,
you may experience carbon monoxide poisoning. While carbon monoxide
poisoning is extremely rare, be aware of the following symptoms:
Carbon monoxide is an invisible, odorless gas that can cause illness and even death when not properly vented by your furnace or appliances. Carbon monoxide comes from the incomplete combustion of common fuels such as heating oil, gasoline, coal, wood, charcoal, kerosene, propane and natural gas. When properly operated and
maintained, natural gas heating equipment and appliances are safe and efficient.
But if your appliances or heating equipment are not properly operated and vented, carbon monoxide could back up into your living space.
Improper venting can be caused by the following: