The start of the new year is the perfect time to double check your home's smoke alarms to be sure they're properly installed ...

These employ both technologies — ionization and photoelectric — in one device. All three types of smoke alarms come in battery, hard-wired and smart versions. Each offers different advantages.

Generally, there are two primary types of smoke detectors: an ionization smoke detector and a photoelectric smoke detector. The International Fire Chiefs Association recommends having at least one ...