Catch up on future home stories in 5 minutes.

Carbon monoxide incidents near Montreal show why detection is only the first step; people still need time and a clear way out.

A lock alert is easier to trust when the household can tell the difference between a locked door and an open one. Sensors help clarify the routine.

Small setbacks and room-by-room judgment age much better than one harsh automation rule everybody overrides by day two.

Use the CO2, temperature, and noise trade-off sections. Write two routines: summer/open-window and winter/closed-window. Ignore product sections at end.