As a residential carpenter, I've installed plenty of hardwired ... smoke detectors for sensitivity, audibility, and ease of installation, using an aerosol spray to mimic real smoke. Our top pick ...

We spoke to a fire safety expert and weighed the pros and cons of cost, reliability and installation of hardwired smoke alarms versus battery-operated. Here’s everything you need to know.

Carbon monoxide detectors are important because the gas is colorless and odorless, so it’s impossible to sense its presence ... For one thing, the hardwired smoke and carbon monoxide detector ...