Clean, or possibly replace, your gutters. - You're so used to your gutters working properly, if they're clogged, you can end up with a flooded interior and damaged exterior. So clean them, and if necessary, replace them
Check for drafts - Heat loss through windows is responsible for 25-30 percent of heating energy us .
Drain your outdoor faucets.- - Drain and disconnect all garden hoses from outside spigots to prevent any water freezing. Not doing this can result to pipes bursting
Bring your outdoor furniture in.
Fix any cracks in your driveway - When water gets into cracks it freezes, expands, and can make the crack even bigger. Enough small cracks can turn into big cracks, and eventually the concrete can crumble
Change your filters - If your filters are clogged, it's harder to keep your home at the temperature you want it too be which will increase your heating bills.
Fertilize your lawn - The best offense is a good defense.
Test winter equipment - Seriously, just check it all now and make your life easier later.
Change your batteries - Once a year you should be checking to make sure all smoke detectors and carbon monoxide devices are working.