If you hear four beeps, your entire household must evacuate straight away, especially during periods of cold weather when ...
Other Types of Sounds Your Detector Makes and What To Do While the main reason a CO detector beeps is because it detects gas ...
First Alert, a manufacturer of carbon monoxide alarms, advises that if your alarm beeps four times, you should evacuate your house immediately. READ MORE: People are slashing £468 off Sky bills ...