Add Yahoo as a preferred source to see more of our stories on Google. Everyone's well aware of how important smoke detectors are, but there's another early-warning system every home should have.

The devices are essential, and it’s well worth considering the newest models.

Add Yahoo as a preferred source to see more of our stories on Google. Leaks from the furnace, water heater, or other appliances can release invisible carbon monoxide into your home. Correctly ...