Carbon monoxide is dubbed the “silent killer,” and with good reason. People can nod off to “sleep” and not even know their about to die.

At first, Matteo Policano thought the beeping was the front door keypad. But he felt "something off" about the sound, so he woke up his dad, who went to investigate. Matteo Policano was up way past ...

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 ...