Help protect your family with a Kidde carbon monoxide detector. Installing a reliable CO detector in your home is one of the best ways to give your family the warning they need to help prevent CO poisoning. Whether you choose a battery-powered carbon monoxide alarm, a plug-in model, or a hardwired CO alarm, install a detector on each level of your home and near any potential sources of CO gas, such as furnaces, water heaters, or fireplaces.