Whether you’ve just completed a window replacement or you’re tackling a deep seasonal cleaning session, one thing is clear—your windows deserve some attention. Sparkling, streak-free windows can make a huge difference in how clean and bright your home feels. And while the outside panes often get the most attention, learning how to clean windows from the inside is just as important.
If you’ve hired house cleaning services, they may already include interior window cleaning. But if you’re going the DIY route, here’s everything you need to know to get crystal-clear results using easy, effective methods.
Step 1: Gather Your Supplies
Before diving in, make sure you have everything you need on hand. Having the right tools not only saves time but also ensures a streak-free finish. Skip the old newspaper trick—modern materials work better and are less messy.
Here’s what you’ll need:
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Microfibre cloths or paper towels
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Squeegee (optional but highly effective)
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Bucket or spray bottle
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Mild dish soap or a homemade solution (like vinegar and water)
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A small brush or toothbrush for window tracks
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Dry towel or lint-free rag for drying edges
Step 2: Start with the Frames and Tracks
Before spraying anything on the glass, wipe down the window frames and clean out the tracks. Dirt and dust can accumulate here and lead to buildup over time.
Use a vacuum with a brush attachment to loosen debris, then follow up with a damp cloth. For stubborn grime, a small brush or old toothbrush works wonders.
Step 3: Apply Your Cleaning Solution
Now that the frames and tracks are clean, it’s time to tackle the glass itself. Choosing the right cleaning solution is key to avoiding streaks and residue. While store-bought cleaners work well, many homeowners swear by simple DIY mixes that are affordable and just as effective.
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1 part white vinegar
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1 part warm water
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Optional: a drop of dish soap for added cleaning power
Spray the solution directly onto the glass or onto your cloth. If using a bucket, dip your cloth in and wring it out before applying.
Step 4: Wipe Using a ‘Z’ Motion
Once your cleaning solution is applied, it’s time to wipe down the glass. The way you wipe actually makes a big difference in the final result. Instead of using circular motions, which can leave behind streaks and spread dirt around, use a consistent, zigzag—or “Z”—motion from top to bottom.
Work your way across the window, ensuring you don’t miss any spots. A microfibre cloth is ideal because it lifts dirt without leaving lint behind. If you’re using paper towel, opt for a high-quality, absorbent brand to avoid tearing or streaking.
Step 5: Use a Squeegee (Optional, But Worth It)
If you want that professional, crystal-clear finish, a squeegee is your best friend. It’s especially helpful for larger windows or when you want to minimize the risk of streaks.
Starting at the top of the window, pull the squeegee straight down in one smooth stroke. Wipe the blade with a dry cloth after each pass to prevent drips. Overlap each new stroke slightly with the last to avoid missing any spots. It may take a bit of practice, but the results are worth it—your windows will look like they were done by a pro.
Step 6: Dry the Edges and Polish
Even after cleaning, excess moisture can collect around the window edges. Grab a dry, lint-free cloth or paper towel and gently wipe along the edges and corners of the glass to catch any remaining drips.
For an extra polished look, give the glass a final buff with a clean microfibre cloth. This removes any haze and leaves your windows looking spotless, especially on sunny days when streaks are more noticeable.
Bonus Tip: Don’t Forget the Window Screens
If your windows have screens, they can trap dust, pollen, and other debris that affects indoor air quality and visibility. Gently remove the screens and rinse them with warm, soapy water using a soft brush or cloth.
Let the screens air dry completely before putting them back in place. Cleaning your screens as part of your window maintenance routine ensures you’re not just cleaning the glass—you’re improving airflow and light, too.
When to Call in the Pros
Cleaning windows inside your home can be a satisfying task—but if you’re short on time or dealing with large or hard-to-reach windows, house cleaning services can help keep your windows in top shape. They’re especially helpful after renovations when extra dust and smudges can accumulate.
Final Thoughts
Keeping your windows clean from the inside not only improves the view—it also helps maintain the quality of your glass and frames over time. With a few basic tools and a bit of elbow grease, you can enjoy a brighter, fresher home in no time.
