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Orders are currently leaving our facility in 3 business days | Questions? 262-340-1418
Orders are currently leaving our facility in 3 business days | Questions? 262-340-1418

Customer Reviews for Custom AC Window Inserts

We have so many happy customers that love their custom window inserts!
Check out some of our recent reviews and see our products in use.
Find your perfect window insert for your home!

Martinson Manufacturing designs and produces precision window inserts for portable air conditioners. Built for non-standard windows, each insert is made to exact dimensions and engineered to fit cleanly, install easily, and perform reliably in real homes.

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Our Promise

Every insert we build is
designed to fit your window exactly, install cleanly, and work the way it should. If it doesn’t fit right, we’ll remake it. No workarounds, no damage, no guesswork, just a solution that performs reliably in your home. Every time.

Contact

Martinson Manufacturing
705 Schoenhaar Dr #101
West Bend, WI 53090
262-340-1418
info@martinsonmanufacturing.com
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Trusted by thousands of homeowners who needed a real casement window solution.