The Indow Windows Are Here!

 
a man and woman jumping up and down on a bed next to a window
 

Find Quiet, Comfort, & Save Money

Creating a comfortable, quiet space has never been easier. Indow storm window inserts block cold drafts in winter and hot air in summer to save you energy year round. Plus, they reduce outside noise and help you control light.

 

Simply Press Into Place

Meet the storm window that isn’t a storm window. Indow windows insulate against heat, cold, & noise, all by being pressed into place.

 
 

Easy to use. Every insert is laser measured to fit precisely. All you do is push it into your window and it disappears.

Great for apartments & upper stories of a building where noises echo. A completely reversible upgrade.

 
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Invisible Improvements

 
breakfast nook with many windows before indow inserts have been installed
 

Invisible in your window frame, you can’t see from the outside. Seals window from the inside. Even inside, low-profile design means it’s hidden until you’re up close.

 
breakfast nook with many windows before indow inserts have been installed
 
 
Indow window insert compression tube color samples

Customize Your Insert

Choose which grade of custom window insert works for you. All grades block drafts and noise, but premium grades offer special features for specific situations. See all grade types.

See All Grade Types

Each insert has a tube that edges the clear acrylic. This tubing should blend into your window frame. It comes in three colors: white, brown, and black.

 
 
Indow window insert compression tube color samples
 

Customize Your Insert

 

Choose which grade of custom window insert works for you. All grades block drafts and noise, but premium grades offer special features for specific situations. See all grade types.

See All Grade Types

Each insert has a tube that edges the clear acrylic. This tubing should blend into your window frame. It comes in three colors: white, brown, and black. For a limited time we are offering a fourth color: Natural Wood! (Not available in Acoustic Grade)

 
 

Tested & Approved

 
young man testing Indow window inserts in lab
 

Three 3rd party studies have tested Indow inserts and the results are in. We perform better than storm windows at a fraction of the cost, and cause no damage to your windows.

Indow: blocks out drafts & seals in comfort; reduces outside noise by up to 70%; saves an average of 20% on energy bills.

 

Sustainability, It’s Who We Are

 
Indow team outside of Indow building
 

We believe in a sustainable world. It’s our passion to create comfortable, energy efficient homes so that fewer windows end up in landfill and more thermostats get turned down. Better for you, better for our planet.

Our Sustainable Mission
 
 

Featured In:

logos of newspapers and magazines that have featured Indow window inserts
 

“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

 
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bedroom with window with indow inserts installed for soundproofing in san francisco