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 ...

Carbon monoxide—that invisible, odorless silent killer—could be a risk in your hotel room. Unfortunately there’s no real way of knowing how protected you are unless you take precautions.

It recommends using a carbon monoxide detector in hotels, rentals, RVs, tents and boats. Emplify Health says it’s important to know the symptoms of CO poisoning, too.

In most states, no law requires hotels or vacation rental properties to have carbon monoxide detectors. The Centers for Disease Control says carbon monoxide poisoning kills about 400 Americans a ...

The recalled Apollo America model 51000-600 detectors pose risks of smoke inhalation, carbon monoxide poisoning or death when they fail to sound alarms during emergencies, according to the CPSC.