Updated on July 15, 2025 by 
Drafty windows are a common cause of discomfort and high energy bills, especially in Northeast Ohio, where freezing winters and hot, humid summers push your climate control systems to work harder. Heating and cooling costs can add up quickly if your windows are not doing their job. Addressing drafts not only improves your home’s comfort but also reduces energy bills and helps maintain a consistent indoor temperature. Whether you own an older home with aging windows or newer windows that need some attention, this guide is for you.
In this post, we’ll explore the top 10 ways to fix drafty windows, highlighting the benefits of each method and when it’s best to call in a professional. By the end, you’ll have actionable steps to keep your home warm and energy-efficient.
What Are the Best Ways to Fix Drafty Windows?
1. Caulking Around Window Frames
Caulking is one of the simplest and most cost-effective ways to seal gaps and cracks around window frames where air leaks commonly occur. Use a high-quality, paintable exterior caulk to fill in cracks between the window frame and the wall. This method blocks outdoor air infiltration and prevents climate-controlled air from escaping. It’s ideal for small to medium gaps and can be a DIY project for most homeowners. However, if you notice extensive damage or large gaps, professional assessment may be necessary.
2. Applying Weatherstripping
Weatherstripping involves placing flexible materials like foam tape, felt, or vinyl strips around the moving parts of windows to seal gaps when the window is closed. This method is excellent for double-hung or sliding windows where sashes move. Weatherstripping improves insulation, reduces drafts, and is relatively easy to install. It should be inspected and replaced annually to maintain effectiveness.
Types of weatherstripping:
- Foam tape (easy, affordable)
- Felt (basic insulation)
- Vinyl (durable, more effective)
3. Installing Storm Windows
Storm windows add an extra layer of protection to your existing windows, helping block out cold air and strong winds. They can be mounted on the inside or outside of your current windows and are especially helpful during Northeast Ohio’s chilly winters.
Many modern storm windows come with energy-efficient coatings that improve insulation and reduce heat loss. They’re a great option if you have older, single-pane windows that tend to let in drafts.
Some homeowners may be able to install storm windows themselves, but hiring a professional ensures a tight, secure fit and the best possible performance.
4. Using Window Insulation Film Kits
Window insulation kits use clear plastic film that you apply over the interior of your windows to create an insulating air pocket. These kits are affordable and easy to install with double-sided tape and a hairdryer to shrink the film tightly. While this is a seasonal fix, it’s one of the most cost-effective ways to reduce winter heat loss.
5. Adding Interior Window Inserts
Interior window inserts are custom-fit panels that fit snugly inside your window frames, providing an additional insulating layer. They are less noticeable than storm windows and can be removed seasonally. Inserts improve energy efficiency and reduce noise, making them a great option for homeowners seeking a balance between insulation and aesthetics.
6. Repairing or Replacing Window Seals and Glazing
Over time, window seals and glazing compounds can deteriorate, allowing air to leak through the glass edges. Glazing refers to the material, typically putty or sealant, used to hold the glass in place and create an airtight seal within the window frame.
Reglazing involves removing old putty and applying new glazing compound to secure the glass and seal gaps. This process can be done by experienced DIYers but often requires professional help to ensure a proper seal and prevent future leaks.
7. Locking Windows Tightly
Sometimes, drafty windows are simply due to sashes not closing tightly. Ensuring that window locks are engaged pulls the sashes together, closing gaps that let in cold air. For larger windows, installing additional locks can help close the entire sash evenly. This is a quick fix that homeowners can do themselves.
8. Using Draft Stoppers or Window Sills Insulation
Draft stoppers, such as foam tubes or fabric snakes, can be placed on window sills to block cold air from entering. Additionally, insulating the window sill area with foam or weatherproof materials can reduce drafts. These are inexpensive and easy solutions for minor drafts and can complement other sealing methods.
9. Installing Cellular or Thermal Curtains
Heavy, insulated curtains or cellular shades trap air and provide an additional layer of insulation over windows. They are especially effective at night or during extreme cold snaps. Layering curtains with blinds can maximize energy savings. While this method doesn’t fix the window itself, it helps reduce the impact of drafts and energy loss and can be an effective solution for bedrooms and living areas where comfort is key.
10. Replacing Old Windows with Energy-Efficient Models
When windows are beyond repair or drafts persist despite other measures, replacing them with ENERGY STAR® certified windows is the best long-term solution. Modern windows feature double or triple panes, inert gas fills, low-E coatings, and improved frames that drastically reduce energy loss. Professional installation is critical to ensure proper sealing and performance.
Benefits of replacing old windows include:
- Lower energy bills
- Better insulation
- Increased home value
When Should You Call a Professional to Fix Window Drafts?
While many draft-fixing methods can be DIY, certain situations warrant professional inspection and service:
- Large gaps or structural damage around windows
- Persistent drafts despite sealing attempts
- Need for reglazing or window replacement
- Desire for custom-fit storm windows or inserts
- Ensuring proper installation of new windows for maximum efficiency
Always Be Fair Roofing offers expert “Eyes On” inspections to identify draft sources and recommend tailored solutions for your home in Northeast Ohio.
FAQs About Fixing Drafty Windows
How do I know if my windows are drafty?
If you feel cold air near closed windows or notice increased energy bills in winter, your windows may be leaking heat.
Pro Tip: Conduct a Candle or Incense Test. Light a candle or incense stick and move it slowly around the edges of your window. If the flame flickers or smoke is pulled in one direction, that’s where the draft is coming from.
Can I fix drafty windows myself?
Yes, many minor air leaks can be sealed using caulk, weatherstripping, or insulation film kits.
When should I replace my windows?
If your windows are old, damaged, or drafty even after sealing efforts, it may be time to consider energy-efficient replacements.
Closing
Fixing drafty windows is crucial for maintaining a comfortable and energy-efficient home, especially in the Northeast Ohio climate. From simple caulking and weatherstripping to installing storm windows and replacing old units, there are solutions for every budget and skill level.
Remember, addressing drafts not only saves money on heating and cooling bills but also enhances your home’s overall comfort and value.Don’t let drafty windows drain your energy and wallet anymore. Contact Always Be Fair Roofing today to schedule your comprehensive “Eyes On” inspection. Our experienced team will help you pinpoint problem areas and provide expert recommendations to keep your home warm and energy-efficient all year round. Call us at 330-818-0203 or visit our website to get started!
