When the cold Iowa winds blow and snow blankets the ground, homeowners’ furn­aces run quite a bit. But there are several ways people can cut their energy use and save money this winter.

Kristi Cooper, human sciences and family life specialist with Iowa State University Extension, recommended homeowners double-check to ensure they have enough insulation in their attic and to eliminate drafts around windows and doors.

“Heating and cooling is the largest amount of energy that is used in the home, so anything we can do to reduce that is important,” Cooper said. “Definitely get your furnace checked too, and make sure air filters are changed regularly. Also, use a programmable thermostat to reduce energy costs in the winter. Add a sweater if you can, and drop the thermostat...