This primer on how to install a smoke detector, hard-wired or battery-powered, should help you protect your household against ...

Wired smoke alarms may require an electrician who can make the connections and interlink them. And, of course, you'll want to run periodic tests yourself and replace if necessary.

For instance, your smoke alarm, which can buzz your phone if it thinks there's a fire in your living room. Roost is a company that makes a series of Wi-Fi-enabled fire and carbon monoxide detectors.

If your smoke alarm is weak or doesn't sound, start by replacing the battery in the detector, especially if it's a wireless model -- which are less common in homes, but even wired models will have ...

A: Manufacturers typically use the term “smoke alarms” to refer to the kind that blare and “smoke detectors” for ones that both blare and send an alert to a security company or your cellphone.

Q. I live in a house that is 10 years old. This winter, I noticed a small amount of water dripping from a smoke detector installed on the ceiling of the second floor. I had a roofer inspect the a ...