Bridgeport police warn the silent killer becomes even more dangerous as the temperatures drop.
Carbon monoxide is colorless, odorless, and tasteless.
The fumes can be produced by chimneys, portable generators, stoves or by burning charcoal and wood inside the home.
To protect yourself and family, change the batteries in your carbon monoxide detector every six months.
Also watch out for the most common symptoms of carbon monoxide poisoning; headache, dizziness, weakness, nausea and vomiting.