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Writer's pictureDru Doerksen

Preparing Your Home for Winter: Inexpensive Energy-Saving Tips for Windows


A house showing heat escaping through the window
18% of Heat Loss in homes occurs through the windows

As the cold months approach, preparing your home for winter by keeping your home warm and energy-efficient becomes a priority. If your home still has single-pane windows, you might notice drafts, increased heating costs, or chilly indoor temperatures. While upgrading to multi-layer windows is a great long-term solution, there are plenty of ways to improve the insulation of your single-pane windows without breaking the bank. Here are some helpful tips to get your home ready for winter.



1. Install Window Insulation Film

A simple and effective solution for insulating single-pane windows is to apply window insulation film. This thin, transparent plastic film adheres to the inside of your windows and creates an extra barrier between the cold air outside and the warmth inside. It’s an easy DIY project that can help reduce heat loss, and it's virtually invisible once applied. Window film kits are Amazon and are very affordable. It can make a noticeable difference in comfort and energy savings.


A woman holding up a curtain so you can see that it is insulated
Thermal Curtains can reduce the amount of heat lost through single pane windows.

2. Use Heavy Thermal Curtains

Another way to improve insulation around single-pane windows is by hanging thermal curtains or insulated drapes. These curtains are designed with a thick lining that helps trap heat inside your home. They not only block cold drafts from entering but also help keep warm air from escaping. Remember to close the curtains at night or on particularly cold days to maximize their effectiveness, and open them during sunny hours to let natural warmth in.


3. Add Weatherstripping or Caulk Around Window Frames

Single-pane windows can often have gaps or cracks around the edges, allowing cold air to seep in. Adding weatherstripping or caulking around the window frames is an inexpensive and efficient way to seal those gaps. Foam tape or adhesive-backed weatherstripping is easy to apply and can help block drafts. For more permanent gaps, silicone or latex caulk is a great option to fill in spaces and prevent air leaks.


4. Install Storm Windows

If replacing single-pane windows isn’t feasible right now, installing storm windows can be a great alternative. Storm windows add an extra layer of protection by covering your existing windows from the outside or inside. They create an insulating air pocket that helps reduce heat loss and improve energy efficiency. Storm windows can be removed when the weather warms up, making them a flexible option for winter insulation.



5. Use Draft Stoppers on Window Sills

A draft snake or draft stopper at the base of a window.
Commonly used for dorrs, a draft snake can also help reduce heat loss for windows.

For windows that feel particularly drafty at the bottom, using draft stoppers (also known as draft snakes) along the window sills can make a big difference. These are long, tube-shaped cushions placed along the bottom of your windows to block cold air from entering. You can purchase them at most home improvement stores or make your own with fabric and filler materials like rice or sand.


6. Consider Window Inserts

Window inserts are a more advanced but highly effective option for homeowners with single-pane windows. These are custom-made acrylic or plexiglass panels that fit snugly inside your window frames. They act as a removable second layer of insulation without requiring full window replacement. Window inserts are clear, so they don’t obstruct the view, and they can significantly reduce drafts and heat loss during the winter.


7. Maintain Your Windows Properly

Sometimes, single-pane windows can become drafty simply due to wear and tear over time. Check your windows for any damage, such as cracked glass or loose panes, and make necessary repairs before winter hits. Keeping your windows in good condition will ensure they provide as much insulation as possible. Regular maintenance like cleaning window tracks and lubricating moving parts can also help improve their performance.


Final Thoughts on Preparing Your Home for Winter

While single-pane windows aren’t as energy-efficient as modern multi-layer windows, there are plenty of cost-effective ways to improve their insulation and keep your home warmer during the winter. From simple fixes like weatherstripping and thermal curtains to more substantial solutions like storm windows and window inserts, these tips can help you make the most of what you have and save on energy bills.


Staying proactive about insulation is key to ensuring your home stays comfortable and energy-efficient throughout the colder months.

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