Made in Portland, for Portland Homes
Indow window inserts are an innovative way to insulate your home while still preserving the charm of your original windows. The inserts, completely transparent, simply press inside the window frame.
Benefits of Indow Window Inserts
- Blocks drafts
- Helps keep home at moderate temperature even if super hot or cold outside
- Dampens outside noise by 50-70%
- The air-sealing also blocks out pollutants
Other reasons they’re awesome
- Made right here in Portland. (Also: because local, FREE SHIPPING)
- Nearly invisible: light still comes through and they blend in with existing window frames.
- ZERO clunky hardware or mounting brackets. They fit like a cork in a bottle!
- They’re custom-made for your windows, ensuring a precise fit.
About Indow

Credit: Aaron Lee
We are part of the Portland, Oregon maker community, a group of companies and individuals handcrafting everything from ceramics and clothing to window inserts and spirits. The maker movement is about taking pride in creating quality items, generating jobs and building a more robust local economy.
Our mission is to provide comfort, quiet and energy savings. We aim to make the built environment more energy efficient, thereby reducing carbon emissions and helping preserve the natural environment.
Customer Happiness
At Indow we strive for the best in product quality and customer satisfaction. That’s why we provide our product with a Lifetime Residential Warranty: we will cover everything as long as you live in your home. (We also do a great deal of commercial projects and provide a 10 year warranty for all commercial orders.)
Additionally, all Portland customers receive rapid delivery and FREE SHIPPING. And we have someone take care of the measure-and-install process for you, meaning you can relax while we bring lasting comfort and quiet to your home.