Your smoke alarm’s chirp can be oddly reassuring, a small sound that suggests everything is still working. Yet the device ...
Your smoke and carbon monoxide detectors quietly decide how much time you have to escape a fire, yet the tiny date code that ...
When you move into or buy a new home, no one hands you a guide to how the smoke detectors work. They "chirp," which really means shriek loudly, and you occasionally have to put new batteries in them.