Answer: reduce risk.
For consumer with a homeowner’s policy installing smoke detectors helps reduce risk. The risk can be reduced by 2 major ways. First is that it will reduce the risks because of homeowner policy, the risk will be divided between the owner and the insurance company hence reducing that for the owner.
The other way it will be reduced is by minimizing the damage once the alarm is triggered. Any smoke that might cause a fire can be dealt with immediately