But because house fires can be flaming or smoldering, and you can’t know beforehand what type of fire may start, the NFPA recommends buying combination smoke alarms. These employ both ...

Types of smoke detectors Battery-powered units: These are entirely powered by their batteries, which can be either replaceable or permanent lithium batteries sealed inside. Hardwired units ...

What is the best smoke detector overall? A home without a smoke detector is a serious risk. Fires can ignite and spread before you even notice, making early detection critical. A smoke detector ...