Replacement Window Installation in Northeast Indiana, Northwest Ohio, & Southern Michigan

Window Doctor is your destination for window installations for your home or place of business! We are based in Northeast Indiana, and we serve Northeast Indiana, Northwest Ohio, and Southern Michigan. We’ll install beautiful new windows that add curb appeal, add to the value of your property, and help reduce your energy bills.

Locations in Fremont, IN and Toledo, OH

Call Now (260) 833-6111

In the cold Midwest winters, having windows that are aging or have cracks not only doesn’t look great, it can cost you much more on keeping your home or business comfortable, and put more wear and tear on your HVAC system. Let Window Doctor replace your windows with high-end, double paned glass windows that are built to keep outside air outside and add beauty to your property.

We offer windows in a wide variety of styles and options for every type of home, and our windows are available in three different types of glass packs: Low-E glass, Energy Guard Low-E, and Thermo-Flect glass that is exclusive to Window Doctor.

Reach out to us today to get started and request a quote. We’re looking forward to beautifying your home and making it more efficient!

Replacement Windows

Let Window Doctor be the answer to your search for replacement windows in the Northeast Indiana region, including Northeast Ohio and Southern Michigan!

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Patio Doors

Window Doctor doesn’t just do windows…we can replace your glass sliding patio doors in northeast Indiana as well. We can add beautiful panoramic view from your glass doors in any size or style home.

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Entry Doors

Window Doctor is your choice for premium Entry Doors.
Every Door is custom made to order in fiberglass or steel construction. Limitless Options, Colors and Styles!

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Window Gallery

Take a look at our photo gallery of windows.
See the variety of styles, shapes and sizes.

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View Our Jobs

This is our portfolio of work we've done recently.
It's our collection of case studies by Window Doctor.

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Customer Testimonials

Roof Doc crew actually came earlier than promised and completed the roof in two, rather wintery days. From start to finish they kept us posted as to what they were doing and why. At one point they discovered that there were two roofs on the home when they had figured one and never charged us any difference. I recommend their work.
These guy did an awesome job very clean an the product I'm very pleased with thank you
The installers were on time and were very neat about everything they did. They answered all of the questions we had as they worked. I like how the windows look on the inside and outside. Done in one day!! wow!
The new windows are great! I can already feel a difference. The sales rep was fantastic and the installation went smooth. I couldn’t be happier.
Great, quality, product that was installed quickly and efficiently by well trained and mannered technicians!
We had 5 windows replaced including a Bay window. From start to finish, the process has been seamless. All windows were installed within 4 hours or so. They had to come back in the evening, the same day, to do some trim and the guy was back when he said he would be and the job was completed. Love our new windows so far.
Had a great experience with getting a quote with presentation of products, finance options, ordering, quick turnaround time, and great installer! Windows look great and sealed well. Thank you for an all around wonderful and easy time.
Great teamwork. Timely procedures of putting windows up and follow thru of screens to sealing windows measuring and clean up. Blessed be the team today and future windows installations.
The crew did an amazing job. Not only were they kind but considerate towards me and my family and working through the cold and snow in a very timely manner!
Love that they are family owned, operated and have Christian values. Very happy with my windows and my installer Jeremiah was very professional and did the entire job by himself in 2 days, and in the cold until everything was done. I received high-quality windows with installation for what I considered to be a very reasonable cost. Totally recommend The Window Doctor ❤️
Very professional, cleaned everything up nice, in and out in no time! The window looks great, I can’t wait to have a functioning window this spring! 100% recommend!
Had eight windows installed By The window doctor. very professional and friendly technicians that did an outstanding job. very satisfied . I highly recommend this company to family and friends.
The sales person was nice very helpful and gave me what I wanted. I liked that he didn't try to sale me something I didn't want. The guys that installed the window was very nice and polite. I'm very happy with the job they did in installing the window.
Well it has been almost two weeks since we have received our new windows from The Window Doctor and boy let me tell you they are amazing! Immediately that evening we could tell the difference of not having any air coming through our windows anymore but I wanted to give it a little time before I wrote my review. Right from the beginning the gal that came and measured and told us about the company to the insulation has been wonderful experience for us. The windows are such nice windows there is no noise from the outside ( if the dog didn’t bark we would never know anyone drove by) they look very nice from inside and out and really spiffed up our house on the outside and the quality is fantastic. There is no cold air coming in any longer. What a great investment we made with The Window Doctor on our new home!
Very easy to work with! The installation was very organized and efficient! They were very informative during the installation! We would recommend this company!
They were very efficient and did an awesome job gave my home a refreshed look
Fantastic experience and efficient process. Can’t beat the warranty and their financing was attractive as well.
Incredible company not only to work with, but to work for.
We had 13 windows installed by 2 installers. The first (cold and snowy) day, all windows were put in over about 5 hours - no lunch breaks! Only one window had minor inside wood trim nicks, which they promptly repaired. That is wonderful considering how they had to work to get the old windows out. They came back the second day when there was no snow and worked for over 5 hours "wrapping" the outside of the windows with a brown trim that matched the rest of our trim. Hunter knew how to do this from the inside of the house on the upstairs windows, so no ladder scratches or dents on the house. It was beautiful! I love these windows! They slide easily and tilt in for cleaning. Also a stop on them for security with a window open a little for fresh air.
Hunter and Corey were great. Very friendly and answered all our questions. Very professional and they know their job. The new windows were in In no time. Very pleased with The Window Doctor. Family owned and highly recommend
The followup sales rep was great to work with and the installers did a great job in putting the window in. It is definitely making a difference and has reduced our heat loss. Nice looking window!
Installers were professional and friendly and answered our questions as they came up. Future window replacements however will only be scheduled during warm months.
Their friendly service, amazing warranties and their kind installation crew. I myself had wonderful Custer service and quick installation. I highly recommend you look into their services and warranties which were a selling point for me having two growing boys. It’s an American made product with wonderful values I stand behind. I look forward to doing more business with this company.
My windows were just installed. I am very pleased with the outcome. Everyone that helped my project from sales, customer service, to measuring to installation and the window wrap did a thorough and awesome job. Brad and the crew were great! They explained everything I need to know. I am looking forward to enjoying my windows for many years to come.
They did a great job on replacing old windows and a sliding door on my house! Definitely recommend! Quality work
We had 6 windows replaced in our home. The installers were friendly and fast while completing quality work. They ran us through everything we needed to know about our windows. Will be doing business again for the rest of the home.
Did an excellent job, and got done in a timely manner! Very impressed and would recommend !
We had all 13 of our windows replaced in the house and they were able to get them all done in one day. The team was very efficient & professional. We've noticed a difference in how warm the house is since they've been installed.
Jeremiah did a fantastic job! His customer service was great as well! My seven year old loved talking his ear off. He also cleaned up after he was done, probably better than before he started the job! 👍
Thank you!!
Windows came in real quick, crew was knowledgeable and respectful of our home and pets. Cleaned up as they went along, and would recommend them for any window job. Plus their warranty is amazing.
Brad and his crew were very professional, clean and efficient! In and out in about Half a day! Highly recommend The Window Doctor and their awesome product!
The staff was friendly and knowledgeable and the windows are beautiful. I would definitely recommend this company if you're looking to purchase windows.
Great job--timely and professional during entire istallation.
The sales representative are very knowledgeable and professional. The installers do great work. And the window are made of very high quality
The 2 men that came to my house to install eight windows today we're extremely wonderful! I couldn't have asked for a better crew than these two men! They finished everything and cleaned up very well after themselves. I am very pleased with the work they did and how well they did it, they were definitely very experienced! This is a company that I would definitely refer to family and friends.
The Window Doctor were true professionals from start to finish. I could not be more pleased with how well we were treated, how quickly the windows were installed, and how clean everything was when they were done. They made sure before they left we understood how the windows work and to make sure we were completely satisfied with their work.
We definitely are!
The three men that installed, my windows were very kind and courtesy
Did a great job
Was very satisfied with their work and with the products they installed
Very efficient! Cleanliness is fantastic! Very considerate. Great work!
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