How to Troubleshoot Hard-Wired Smoke Alarms
Ionized alarms and photoelectric technology alarms work slightly differently. Ionization technology tends to be better for detecting small particles, which are common in flaming fires. Photoelectric technology is generally better for large particles, like the kind you get in a smoldering fire.
Patrick Nelson has been a professional writer since 1992. He was editor and publisher of the music industry trade publication "Producer Report" and has written for a number of technology blogs. Nelson studied design at Hornsey Art School.