There are few things more annoying than an incessant beeping sound in your home that no matter how high and low you search, you can't identify. It could be a smoke detector, appliance, security system ...

Between letting the whole house know when you overcook something, needing to replace the batteries at least yearly and — if you take too long to do that — the constant chirping, many people see, or ...

Your smoke alarm has been tested, the batteries are changed, and there isn't a fire in the house. So why is the device going off? Here are some reasons.