I bought cheap smoke detectors and soon regretted it - here's what I recommend now

https://www.zdnet.com/a/img/resize/c10492c40f3773f6e540e0a18531bcbdc3b241dd/2026/08/03/28aa00fc-9a36-425a-aff3-735f51e121e4/2.jpg?auto=webp&fit=crop&height=675&width=1200

X-Sense XP0H-WN4 / 5Very good

pros and cons

  • The X-Sense XP0H-WN features smoke and carbon monoxide detection.
  • It lasts a decade with a 10-year sealed battery.
  • It's easy to install and is interconnected.
  • Unfortunately, these alarms aren't smart, so you don't get phone alerts, but they do work with a wireless network.

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My home is almost three decades old, and when I moved in, it still had the original smoke detectors. This is, of course, less than ideal, as smoke detectors must be replaced every 10 years -- seriously.

Also: This tiny device quietly monitors your home for electrical hazards - and it's on sale

One of the first things I did after moving was replace all the smoke detectors with new battery-powered ones. Being the cheapskate I am, however, I got two dozen inexpensive ones and ended...

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