Clean out gutters. When temps drop the leaves follow and clog gutters. A debris-clogged gutter can cause ice dams in freezing temperatures, leading to water damage to the interior or exterior of your home.
While you're at it, clean out leaves and other debris from your drainage systems that may have built up over the year. It is especially important to clear blocked downspouts and drains before the first freeze, so it is easier to clean out and to ensure water is draining away from you home to prevent flooding and water damage.
Insulate your attic to reduce your cost on heat during the winter and consider wrapping your pipes if exposed to cold air, especially when temperatures drop to 20 degrees Fahrenheit or below. Turn off exterior hose bib and shut off valves.
Clean air filters and air duct system. This will improve both your quality of air and the efficiency of your HVAC system, reducing cost to pay for heat during the cold winter months.
Test existing smoke alarms and consider upgrading to dual smoke alarm/carbon monoxide detectors with smart technology that connects with other wireless technology in your home and monitore on your mobile phone. Carbon monoxide is an odorless, invisible, and extremely dangerous gas, which can result in death if inhaled over a period of time, and can be given off by the most common appliances in your home.