Duncan's Window & Door LLC
“Love that they're custom made in Wisconsin.”
Best Window Installers near Oshkosh, WI
3 of these companies are based in Oshkosh; the others serve Oshkosh from Neenah (13 mi) and Menasha (16 mi).
2 open 24/7 · 3 open weekends · 6 rated 4.5+
Data verified October 20, 2026
Omni Glass & Paint
“They arrived on time, took great care of respecting my home, were extremely knowledgeable with the project, and cleaned up my home and landscaping prior to leaving.”
Lueck's Home Improvements Inc.
“I had a new window & door replaced in my kitchen last fall and just ordered some new storm windows to be installed this spring.”
Affordable Contracting Services
“Jesse and his crew worked directly with the insurance adjuster and completed the work in a timely and professional manner.”
Rosenow Customs LLC
“Communication, professionalism, and prompt timing were just some of the qualities I noticed with Rosenow Customs when working with Rob.”
Advantage Exteriors
“Jonathan was very professional and punctual in his communication and did not keep me waiting for a quote.”
Listed for homeowners in and around Oshkosh, WI, these 10 companies fit and repair windows. Frame materials, glass options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.
Area overview: Oshkosh, WI
The 10 companies on this page are rated from 4.2 to 5.0 across 1,326 reviews; 8 have 50 or more reviews and 6 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (89%), responsiveness (87%) and quality (84%). The topics that come up most in reviews of the companies on this page are "price" and "crew". 2 are open around the clock; 3 are open on Saturdays and 2 on Sundays. The services the companies on this page list most often on their websites are doors (2), siding (2) and windows (2). 6 have a BBB rating of A or A+. 8 have ten or more years of experience, the longest 51 years. 2 offer emergency call-outs; 3 offer financing or payment plans; 7 give free estimates; 5 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for all 10 of the companies on this page; 7 publish a contact page; 6 list a public email and 2 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do the listed window companies all have premises in Oshkosh?
3 of the 10 give an address in Oshkosh itself; the others serve it from within 20 mi. Many window companies work from a showroom that covers a wide area, so the address tells you little. What matters is whether the crew is employed by them or subcontracted, and who returns for warranty work.
Fox Valley Roofing & Siding
“Sam did an excellent job dealing with my insurance who denied hail damage and got the job done.”
Exterior Custom Solutions LLC
“What surprised me the most is how quick our door was put up on the day when the building crew arrived.”
Packerland Glass Products
“They were able to give a quote for what it would take and recommended glad that would work better than what was in the frame to begin.”
ARC Contracting
“They had a fair price, was timely done in a cold month, crew worked well, cleaned up the area nicely, the roof looks good.”
Why these companies made our list
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