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You're one step closer to creating more comfort & quiet in your home.

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To receive a customized estimate for your space or learn more about how Indow inserts can improve the comfort, quiet, & efficiency of your home, fill out the fields below.

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Snug Fit Guarantee

Once we receive your information, a Fit Specialist will reach out with an estimate and be available for any questions you may have. When you're ready to order, we provide tools & guidance to capture production-quality measurements. We verify those measurements using our proprietary software to ensure your inserts will fit perfectly.

What Do They Cost?

Consider the cost and disruption of replacing your windows. A vinyl window averages $66-$87/sf. A wood window averages $71-$109/sf. With Indow inserts averaging between $31-$44/sf MSRP, your window project can cost a fraction of other options.

Standard Grade

$31/sf or just $372 for an average window

Our workhorse interior storm window insert blocks drafts and reduces outside noise.

Performance Grade

$40/sf or just $480 for an average window

Our 4 options in performance grade inserts provide superior protection against noise and light.

Commercial Grade

$44/sf or just $588 for an average window

Industrial strength inserts with a scratch-resistant coating can be cleaned with common products.

When you measure your windows, you’ll have help at every step. First, we have a library of video and written tutorials available. Second, our amazing team is always ready to take your call if you need assistance. Third, our proprietary measurement software will automatically check your measurements as you enter them to ensure a tight, snug fit for your custom window insert.

*Sales tax & shipping charges not included. Shipping charges vary by region and order size – talk to a Fit Specialist to get our best pricing.

Indow Inserts Are Featured In:

Indow inserts are featured in:

“Once you pop them in (no hardware required), you don't even notice them. It's the kind of ridiculously simple invention that you think must have been invented before.” -Popular Mechanics, These Ingenious Window Inserts Will Slash Your Heating Bill

Customer Reviews

Excellent
4.49 Average 1514 Reviews
Lyn K

I'm enjoying the units, however will need to wait until next year's colder weather to get a truer feel or read on how well they work - thanks

Posted 5 days ago
Glenn G

They work very well for my 3 Bedroom windows.easy to install.

Posted 1 week ago
Mike B

I purchased two Indow window inserts for two west-facing bedroom windows. These windows are exposed to the hot afternoon sun, making it difficult to cool the bedroom, and there is considerable outside noise. The Indow inserts work great at reducing the outside noise and keeping my bedroom cooler. I absolutely recommend Indow window inserts.

Posted 1 week ago
Ian W

Very professional from website to delivery and installation was well explained and easy. Noise reduction was quite noticeable and sealing from cold just as good if not better. Would recommend 100%.

Posted 2 weeks ago
Anonymous

Wonderful product

Posted 3 weeks ago
Tracie J

My husband and I can finally sleep all night without being woke up by outside noise! Indows are game changers if you live on a busy road, by a loud industrial business or just want a quieter inside environment. The customer service is pretty amazing too! Thanks Indow group for giving us back great sleep!!

Posted 1 month ago
Norbert M

fit perfect, weny in easyand make a diffrence with noise ,thank norbert

Posted 1 month ago
Jessica V

Easy DIY measuring, and an obvious immediate increase in warmth. Huge difference in a historic home with historic windows.

Posted 1 month ago
Anonymous

WE just took delivery of the two window inserts we ordered. they both fit perfectly. The most difficult part of the process was me trying to hold the laser measuring device still while taking the diaginal measurment! The Indow team was helpful and the ordering process was catch free. the finished product is just as they described. once installed, you can not even tell that they are there. I will warn you, if you have larger sizes they will come in a pretty large packing crate/box to protect them so be prepared. The only reason for 4 stars insted of 5 is they have just been istalled and we shall see how effective they are at reducing cold air, but they fit so snug that I anticipate they will be very effective. Just in time too, because our area is in a low temp/low wind chill pattern at the moment.

Posted 2 months ago
Craig F

The Indow I ordered was a perfect fit. It looks great and is an extremely well made product. The ordering process was seamless.

Posted 4 months ago
Catherine J

Noise reduction by at least 50%! I cannot hear most car that drives by now. My bedroom is so quiet! Thank you!

Posted 4 months ago
Walter M

Easy to order and install.

Posted 4 months ago
Dianne F

Window inserts help with sound since I live facing the street and the highway

Posted 5 months ago
Dianne

This is a 5 star company from beginning to end. I purchased the I inserts in 2017 because the bedroom on the second story faced the street. These are very effective for street noise. Noticed a problem on one of the windows recently and they quickly took care of it due to their warranty. Customer service personnel are very helpful. The price of the windows was acceptable for top quality of sleep and less noise during the day

Posted 5 months ago
Charles C

Recently purchased the acoustic window inserts for a couple of old windows facing a busy street and they've made a huge difference in terms of noise reduction! The measuring process was relatively easy with the laser measuring tool that Indow sent and the windows were delivered faster than expected. Martin was easy to work with and we would highly recommend Indow to those looking for window inserts.

Posted 7 months ago