Most fire experts just want working smoke alarms, but hardwired is a great choice in spaces that have wiring. If not, we strongly recommend a battery-only with a built-in 10-year battery.” ...

as there’s no backup battery. Wired smoke detectors are typically basic, but this combination smoke and carbon monoxide model from Kidde has some great features. For one thing, the hardwired ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more The best smoke detectors let you sleep easy knowing your home is protected from fire and carbon ...