Some portable CO detectors can cost more than the plug-in versions, with some retailing for about $50 to $60, but they have the benefit of running on batteries, which means travelers won't need to ...

Airbnb, for its part, is offering hosts free carbon monoxide detectors for units that don't already have the devices installed. They typically cost between $30 and $50.

In the wake of a major carbon monoxide leak at the Holiday Twin Rinks in Cheektowaga Wednesday night, 7 News wants to remind you about keeping your home protected from CO.