As winter’s icy grip tightens, homeowners face a chilling challenge: safeguarding their windows and doors against the harsh elements. Freezing temperatures can wreak havoc on these vital home components, leading to costly damage and energy inefficiency.
According to the Environmental Protection Agency (EPA), by sealing air leaks and adding insulation in key areas such as attics, floors above crawl spaces, and accessible basement rim joists, homeowners can reduce their heating and cooling expenses by an average of 15%, which translates to an average savings of 11% on their total energy bills.1
From simple DIY fixes to high-tech solutions, these eight tips will help you fortify your home against winter’s worst.
1. Seal the Deal with Weatherstripping
When battling winter’s chill, weatherstripping is your first line of defense. This simple yet effective solution can significantly reduce drafts and prevent warm air from escaping your home.
By creating a tight seal around your windows and doors, weatherstripping helps maintain a comfortable indoor temperature while lowering your energy bills.
Installing weatherstripping is a relatively easy DIY project that can make a big difference. Depending on your specific needs, you can choose from various materials, including foam tape, V-strip, or tubular rubber gaskets.
2. Caulk Away the Cold
Another crucial step in winterizing your windows and doors is applying fresh caulk to seal gaps or cracks. Over time, old caulk can deteriorate, leaving your home vulnerable to cold air infiltration.
Addressing these weak points can significantly improve your home’s insulation and energy efficiency.
Before applying new caulk, remove any old, cracked sealant and clean the area thoroughly. Use a high-quality, exterior-grade caulk that can withstand temperature fluctuations.
3. Insulate with Plastic Film
Consider applying plastic window film for extra protection against the cold. This inexpensive solution can be a game-changer for older, single-pane windows or particularly drafty areas.
The film creates an insulating air pocket between the plastic and the glass, helping to keep warm air inside the room while preventing cold air from entering.
To install window film, add double-sided tape around the window frame and carefully attach the plastic sheet. Then, use a hair dryer to shrink the film, creating a tight, nearly invisible barrier.
4. Upgrade to Insulated Curtains
While not directly protecting the windows, insulated curtains can significantly enhance your home’s ability to retain heat. These specially designed window treatments feature a thick, often multi-layered construction that helps block cold air and prevent heat loss.
When choosing insulated curtains, look for options with a high R-value, which indicates better insulating properties.
For maximum effectiveness, ensure the curtains are hung close to the window and extend beyond the frame on all sides. Keep them closed during the coldest parts of the day and night to create a cozy thermal barrier.
A well-fitted insulated curtains can reduce heat loss through windows by up to 25%. (ref)
5. Install Door Sweeps
Don’t overlook the gap at the bottom of your exterior doors – it’s a prime entry point for cold air. Door sweeps are an easy and effective solution to this common problem.
These simple devices attach to the bottom of the door, creating a seal that blocks drafts and prevents heat loss.
Choose a door sweep that’s appropriate for your door type and the size of the gap. Options include brush-style sweeps, rubber gaskets, or adjustable models for uneven thresholds.
6. Maintain & Lubricate Moving Parts
Freezing temperatures can cause door and window components to contract, leading to sticking or difficulty in operation. Maintaining these moving parts is crucial to prevent freezing and ensure smooth function throughout winter.
Start by cleaning tracks and hinges to remove debris that could impede movement. Then, apply a silicone-based lubricant to hinges, locks, and sliding tracks to reduce friction and prevent moisture buildup.
To create an additional barrier against freezing, it is recommended that a specialized insulating lubricant like WD-40 (ref) be used on door thresholds and sliding door tracks.
7. Consider Storm Windows & Doors
Installing storm windows and doors can protect those in particularly harsh winter climates against freezing temperatures. These additional barriers are mounted outside your existing windows and doors, creating an insulating air space that significantly reduces heat loss.
Storm windows and doors can be especially beneficial for older homes with single-pane windows or poorly insulated doors. They improve energy efficiency and protect primary windows and doors from weather damage.
While the initial investment may be higher than other methods, properly installed storm windows and doors can reduce heat loss. (ref)
8. Invest in Smart Temperature Control
In the age of smart home technology, automated temperature control can play a crucial role in protecting your windows and doors from freezing.
Smart thermostats and sensors can help maintain a consistent temperature throughout your home, reducing the risk of condensation and ice formation on windows and doors.
Some advanced systems can even detect sudden temperature drops or unusual patterns that might indicate a draft or poorly insulated area. These smart devices protect your windows and doors and contribute to overall energy efficiency by maintaining optimal indoor humidity levels and temperature.
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Davin is a jack-of-all-trades but has professional training and experience in various home and garden subjects. He leans on other experts when needed and edits and fact-checks all articles.