By: Crispin Havener
Before you crank up the heat, there are a few things you need to do to keep your family safe.
Alliant Energy is warning customers to check their heaters and carbon monoxide detectors, to make sure they're working properly.
If your home fills with the odorless, colorless gas, it can be deadly. Symptoms of carbon monoxide poisoning include nausea, fatigue, weakness and dizziness.
If you experience those symptoms, get fresh air and call for help.