Check your balcony
If you store items on your balcony during the summer, you might have to bring some of those items in doors to prevent them from being damaged. Another thing to keep in mind is most balconies have multiple sliding doors, and once it gets cold, you want to ensure all doors are sealed, locked and secure, otherwise, you may let the cold in which could lead to frost build on the doors, or frozen pipes.
Change your light bulbs
During the summer months, the days are long and there is a lot of natural light coming into the apartment so you don’t have to use your lights as often. Once winter comes around, the days aren’t as long and you have to use your lights more often. To save on bills, use energy efficient light bulbs and try to pick out some light bulbs that mimic natural light, this usually helps people feel more comfortable.
Have an emergency kit
This doesn’t happen that often, but if there happens to be a power outage during winter, you want to be prepared. Keeping items such as blankets, flashlights, batteries, canned food, water, and portable cell phone chargers could come in handy. You may not have to use them, but it could come in handy in case of an emergency.