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Dealing With Hard Water Stains on Your Windows

Have you ever noticed hazy stains on your windows that don’t seem to come off easily? This indicates your local weather has hard water, which is a mixture of water and a high content of minerals, such as magnesium and calcium. Hard water makes it a bit difficult to clean off on some surfaces, especially when it evaporates from a glass surface like your windows. 

Water Stains on Your Windows

Here’s how to clean hard water stains.

Removing Hard Water Stains

Hard water that evaporates from your windows will leave spots known as calcium deposits or limescale. These deposits won’t be noticeable at first and can be easy to clean off as long as they don’t sit on the glass surface for too long. Otherwise, leaving them under the sun for some time makes them difficult to remove. The accumulation of these deposits will eventually give your windows a rough texture and unpleasant haziness.

One effective method to get rid of the hard water stains involves preparing a mixture of half water and half vinegar. A towel must be soaked in the solution and then pressed onto the rough stains of your affected windows for about a minute or two. Keep repeating this process until the stains are cleaned off the surface.

Upgrade Your Windows Today

If you’ve been having hard water stain problems on your windows for a long time, then it may be time to upgrade to better-quality windows. Our top-of-the-line energy efficient windows are made with materials that ensure they’re easier to clean. This is because our window products feature a self-cleaning titanium dioxide exterior coating that prevents watermarks!

The titanium dioxide coating that we use consists of a mostly white and powdery titanium compound. It’s essentially the white-in-white paint and what’s normally used to give that shine on paint or toothpaste. But we only apply a very thin layer of coating on our windows, so it’s essentially transparent on the glass surface. This coating hardly affects the amount of light passing through the glass as well, reducing it by only about 5%!

As a top window installer in the area, Renewal by Andersen® of Southwest Missouri is your best choice for the job. You can reach us at (417) 268-9301, or you can contact us online through our convenient form.


"Quality product, quality workmanship. Everyone I interacted with at Renewal by Andersen of SW Missouri had pride in their work from sales to financing to project oversight to installation. It must be a great company to work for because that shows in the professionalism of the staff. Best of all, they want happy customers and go out of their way to make sure that happens. Yes, I love my windows (but I knew I would--it's a great product). Friendly, helpful, easy financing, and yes--they pass costs on to the customer for this, but it meant that I was able to get the windows I wanted and needed for my creaky, lopsided old house. Couldn't be more pleased."

Aug 11, 2023

"The company representative who met with me initially was very direct, told me how the process would go, explained about why Anderson windows are of such good quality and how they stand by their products and their workmanship. My 3 windows arrived when they said they would, & the men who installed them were very professional, polite, & efficient. They showed me how the windows work and left the room as tidy as it was before they did the installation."

Judith Peavey
Aug 14, 2023

"We just had our windows done by Renewal. They kept us informed about the progress of manafucture & installed at the approximate date. Good qualtity & if you didn't know that there were screens on the windows you would think they were missing. Very clear view. Great in this hot weather, the house stays cool."

Jerry C
Aug 22, 2023

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