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Remove Window Condensation

Do You Have Window Condensation?

To stop window condensation, you need to know what causes condensation on windows. This nuisance takes away your view and can cause serious damage to windows and walls. All that moisture can lead to rot, mold, and mildew, as well as lift up paint and damage plaster.

condensation on windows solved by window inserts

Left side with Indow window insert (no condensation on window), right side without (condensation on window).

What Causes Condensation On Windows?

Window condensation forms when the interior surface temperature of your windows is at or below the dew-point temperature of the surrounding air in your house. What’s the dew point? That’s when the air is no longer able to “contain” all the water vapor mixed with it. Some of that water vapor has to say “see ya”, so it condenses into liquid on the window pane.

Think of the air as a sponge holding water: when the temperature drops, that squeezes the sponge onto the interior surface of your window.

What Factors Cause Condensation On Windows Inside Your House?

  • Inside and outside temperature
  • Relative humidity of a space
  • Humidity inside the home can be raised by: breathing, pets, showers, and plants to name a few

As the air cools outside, it may cause the interior surface of your windows to fall beneath the dew point. If all other conditions are equal, window condensation will occur more quickly in a space that’s more humid.

Solving Window Condensation With Indow Window Inserts.

To fix condensation on windows inside the house, you must make the inside and outside temperatures closer to one another. You must also stop moist air from touching the window glass. Window inserts stop moist air from touching the glass pane and keep the air around it at a relatively similar temperature.

Indow inserts are made of a high-grade acrylic that insulates better than glass. The inserts have a silicone edging that press into the interior of your existing window frames to create a near airtight seal so the moist interior air of your house can’t get to the glass window pane. The air in the cavity between the acrylic insert and your glass window also buffers the insert from the cold outside temperature.

Single-pane windows often get more window condensation than double-pane windows, but it can happen to both types of windows. Indow inserts can help solve condensation on both single and double-pane windows.*

Here is a great picture a customer sent of a clear window with an Indow insert right next to a foggy, wet window without an insert:

condensation on windows without window insert and no condensation on windows with Indow insert

To learn more about condensation on windows inside your house and how Indow inserts have helped customers eliminate window condensation read more.


READ MORE INDOW STORIES HERE:

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bedroom with window with Indow inserts installed for soundproofing in San Francisco

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Customer Reviews

Excellent

4.49 Average 1492 Reviews

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Cynthia M

Very happy with the reduction in noise. Easy to install and use. Great customer service.

Posted 1 week ago

Juli E

We are thrilled with our Indow window inserts! I'd been on the lookout for a more permanent solution to leaky windows in our third floor living space. I discovered Indow on social media but since then have learned of friends who'd had Indow recommended to them by their rennovation contractor. The entire process went smoothly with friendly reps at hand to talk through questions during measuring, etc. They fit perfectly and help us to maintain the beautiful design of the windows on our 100 year old home! Highly recommend!!

Posted 1 month ago

Jen F

Worth the money!

Posted 1 month ago

Elizabeth H

For townhouse living, this solved my problem with noise from my neighbor's with my kitchen window. A considerable decrease of noise indeed! Measurements were a bit frustrating so I recommend using a laser measurement device and following directions to use a string for the diagonal. They look great and were easy to push into place. I highly recommend as an alternative to buying a new window.

Posted 2 months ago

Anonymous

Easy to install, and instantly stopped drafts and dampened outside noises very effectively!

Posted 2 months ago

Robert C

The process could've been smoother with the sending of the measuring kit. There was a delay with weather in Oregon but then it felt like my kit was still delayed due to other reasons. Most new homes (like mine) have textured paint and it can also be inside your window frames. I measured everything out but I still have little tiny gaps due to the texturing. Not indows problem but just be aware you made need to sand or fill in those gaps yourself to get a perfect seal. I did the acoustic grade inserts and they have reduced some noise but they will not completely block or significantly reduce road noise. This is most apparent with deep or lower frequencies like truck exhausts or modified street racing cars that are quite popular these days. Taking the inserts out to open your windows isn't an easy task. The little metal hook they provide needs to be either bigger or you can attach something to it as a way to leverage yourself. Overall the process was average. I think they're definitely a good option for weatherproofing and some sound reduction depending on the type of windows you have. I would purchase again.

Posted 2 months ago

Shelley C

The process for ordering and installing the Indow Widnow inserts was so easy. They sent the measuring information and it had great instructions. The inserts were delivered by UPS was crushed on one corner, but the company had packed them well, so there was no damage. We installed them the same day. It works best if you have two people completing the installation. We felt the results immediately and are glad we spent the money to make our home just a little more efficient.

Posted 2 months ago

Barry B

The insert fits like a glove and insulates the window! No more frost and condensation on the interior of the window! Thank you for an easy, effective and attractive fix!

Posted 2 months ago

Susan A

The support during the entire process was wonderful, thank you so much for the extra quiet space!

Posted 2 months ago

Volodymyr R

Very good good quality. Overall very satisfied with this product and service. Thanks

Posted 2 months ago

Jane H

Our home was built in 1913 and has beautiful old wavy glass single-paned windows. I’m so glad we were told about Indows and didn’t have to replace the original windows. We live in Canada but had no difficulty placing the order and were very impressed by how accurately the company met its deadlines, including cross border delivery. The Indows inserts blend in perfectly with our home and the existing window frames. You don’t see them unless you’re actually looking for them. But what we did notice was how much warmer the rooms feel the minute the inserts were installed! I can’t speak to any heating bill savings because they just went in this week, but our home feels much, much cozier. Our contractor who took all the measurements and installed the Indows says: “Excellent instructional videos: clear and informative. Very impressed with the design and the product. Overall, the ease of installation is quite impressive. Working with all the staff at the company was great – everyone was very helpful.” I’m already recommending this company to any of my friends who live in drafty older homes and want to reduce their heating/cooling bills and do some good for the environment.

Posted 2 months ago

Anonymous

Don't be afraid of buying an older home with single pane windows. This company has you covered. Their inserts are super high quality and fit well thanks to the laser measuring kit they send. Highly recommended!

Posted 2 months ago

Katie M

We purchased three Indows to reduce drafts and noise in our bedroom, which faces the street. The improvement was immediate. Our house was built in 1958 and although we have exterior storm windows we didn't want to replace the windows outright due to cost and architectural consistency. These were an excellent solution.

Posted 3 months ago

Matthew L

Indow inserts were easy to measure, order and install. They've provided great insulation for old single-pane and stained glass windows in an antique home. We can significantly feel how much better the home holds heat.

Posted 3 months ago

Ellis W

I ordered two Indow inserts for my home. They are doing a great job, entirely happy with them and the ordering process.

Posted 3 months ago