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Indow Windows
2267 N Interstate Ave
Portland, OR 97227

Tel : 503.284.2260
Fax: 503.284.2261
Contact: Nancy Dinh, Commercial Specialist

Sam Pardue, CEO
Russ Eisenberg, VP of Sales

Indow inserts press into the interior of an existing window frame, without any mounting brackets. Our Commercial Grade inserts are custom made for each window with laser measurements for a precise, tight fit, making a space immediately quieter, more comfortable and more energy efficient. Indow’s award-winning design has been proven to reduce an average of 20% on energy and up to 70% of noise. Great for offices, churches, hotels, condos and more.

Product Categories:
08340 Acoustical Doors + Windows
08500 Windows
08580 Storm Windows, Security + Fire Rated

Commercial + Residential


Showrooms / Distributors:
Indow window inserts are available across the US and Canada. They can be ordered direct from the manufacturer or through a certified dealer in your local area. Look up our service area at

Green Green Products
Our white compression fit window insert installed in a historic window.
A brown Indow window insert installed in the original window frames for energy efficiency.
Our black Indow window insert is great for steel and aluminum windows, blending in seamlessly with the existing frame.
Indow inserts can be made for arched windows, octagon windows, or other special shapes. Great for church windows.
An Indow insert installed in 8’ windows at Georgia Southwestern University.
Acoustic Grade Indow inserts have been used in many hotels for noise reduction for a more comfortable stay, such as this boutique hotel in Nantucket, MA.
Acoustic Grade Indow inserts can come with a commercial coating which allows for easy cleaning and light scratch resistance.
Noise can be reduced by up to 70% in office conference rooms, bringing productivity and comfort to an office environment without modifying the original window frames.
Indow privacy grade inserts being installed in multi-family housing to create privacy between the two buildings
Indow privacy grade allows for light to transmit through, can be easily removed, and blocks out air pollution.
A large Indow Museum Grade insert being installed in a key architectural home, Case Study house #26, to filter out 98% of UV light.
The max height of an Indow insert is 6’x8’ or 5’x10’. Windows larger than that size can have a mullion installed to break up the window.
The max height of an Indow insert is 6’x8’ or 5’x10’. Windows larger than that size can have a mullion installed to break up the window.
Indow window inserts are manufactured in Portland, OR. Each insert is custom measured and fabricated to match the existing window down to a 1/32” accuracy.
Brands / Products:
Drafts & Energy Saving Solutions
Sound Solutions
Light Solutions

Green Statement/Products:
Indow seeks to promote sustainable living and bring increased energy efficiency to homes and businesses across the US and Canada. As we grow we will share the increased profit margin with our customers through lower prices, making the product easier to purchase and therefore blocking more climate-changing CO2 emissions.
About Indow

Commercial Hub Page
Hotel Soundproofing
Historic Building Information
Technical Links:
Technical Packet
CEU Links:
Window Retrofits for Occupant Comfort and Energy Efficiency

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