Home Safety

High-efficiency furnaces make water every time they run. When the filter is soaked, that water has usually lost its way out, and the fix is often simple.

A smoke alarm's test button only confirms the horn and wiring work, not whether its ionization or photoelectric sensor can still detect real smoke after a decade of dust, grease, and radioactive decay.

Swapping the battery is supposed to end the chirping. When it doesn't, the real cause is almost always one of four things, and a dead battery usually isn't one of them.