- Clean gutters and make sure downspouts drain away from the house.
- Check the roof for missing shingles or worn flashing.
- Re-caulk windows and doors to block drafts.
- Change furnace filters and book a seasonal tune-up.
- Test smoke and CO detectors, replace batteries.
- Shut off and drain exterior taps, disconnect hoses.
- Trim branches, rake leaves, and store outdoor gear.