New windows and doors can be expensive, but that doesn’t mean you’re stuck with a drafty home. With a few affordable fixes, you can stay comfortable year-round while saving money on heating and cooling costs.

Keep the Cold Out with Smart Window Tricks

Start with the simplest step: lock your windows when the temperatures drop. It may not seem like much but locking them creates a tighter seal against the wind. From there, it’s all about layering.

Swap out lightweight curtains for heavier drapes to block drafts. No drapes? No problem—wool blankets work just as well. You can even make your own woolen curtain panels for a cozy, DIY touch. On sunny days, open your south-facing curtains to let the sun warm your space naturally.

You can also add a layer of insulation with window film kits, which cost around $10–$20 and cover multiple windows. These transparent plastic films are easy to install and create a buffer that helps keep warm air in and cold air out. For an extra layer of insulation, try placing bubble wrap underneath the film.

These same tactics help in the warmer months too—insulated windows can block heat from entering and keep cool air inside, making your air conditioning more efficient and your energy bills lower.

Seal Up Drafty Doors

A quick and effective fix for leaky doors? A draft snake. Not the real kind—just a fabric stopper that blocks cold air from sneaking in underneath your door. You can buy them ready-made for $10–$20 or get crafty and make your own. Some even attach to the door and move with it, so you’re not constantly readjusting.

Cover Window A/C Units

If you have window air conditioners and can’t remove them for the season, consider investing in a cover. These handy barriers cost between $5–$20 and help block wind from seeping in around the unit. Most home improvement stores carry them, and they come in various sizes to fit your needs.

Feeling Handy?

If you’re good with tools, there’s even more you can do to keep your home airtight—weatherstripping, caulking gaps, and sealing attic leaks can make a big impact on your energy usage.

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