Rated 5 / 5 from 47 reviews
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JDI Windows JDI Windows was established in 1997 with a team who has over 50 years combined experience in the Denver window and door industry. We have a long-standing tradition of family-owned business where values of integrity, customer service, and hard work define our company. More than half of our business is from repeat customers and referrals. Customer satisfaction is very important to us and we are proud to display several of our customer testimonials on our website to stand behind that claim.

If you decide to hire us for your next window replacement or repair project, you can expect one of our trained professionals to meet with you so we can better understand and evaluate your home improvement request, explain the best and most affordable options to you so you can make an informed decision, and then we will perform the work the right way, the first time. Your satisfaction is GUARANTEED! Contact us today for a free estimate.
Business details
  • Year established: 1997
Services
Amerimax Windows
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Amerimax Windows Amerimax windows form part of a full range of Amerimax products, including patio doors, pet doors, and more. We can offer bay and bow windows, projected sashes, and even double and single operating sashes. What’s more, if you’re looking for doors to match your Amerimax windows, you can rest assured we can offer both sliding and hinged patio doors to suit your exact requirements.
Window Installation
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Window Installation If yours are beginning to look a little worse for wear or they’re no longer fit for purpose, then it might be time to look at window installation options in Denver.

Fortunately, we have the very team to help undertake that task. From answering your initial questions and talking through your options through to final installation and ensuring you’re happy with the service, we can do it all. What’s more, our friendly team has several years of experience installing windows throughout Denver, which means you can rely on us to get the job done right the first time, every time.
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Reviews (47)
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Laura F.
Feb 25, 2022
We recently completed our install and it was an amazing experience overall. They were right in line with some of the competitive quotes but we decided we liked to avoid the dog and pony show. We get it windows can vary in pricing, construction, color and materials. The buy now or lose out mentality the other companies present is just another eye rolling experience IMO. The installers were professional, polite and cleaned up after themselves every day. I would recommend JDI to anyone in the area.
Andrew C.
Jan 23, 2022
We had a very positive overall experience with JDI Windows. The appointment management went smoothly (Lindsey was helpful), the sales process was professional and informative (thank you Rex), pricing was competitive, and the installation was impressive. Brent and his crew did an excellent job of replacing all of the windows in our house. They were efficient, courteous, and did a thorough job of cleaning up. We highly recommend JDI Windows!
Mike Linney
Jan 12, 2022
Looks like a new house! Had all of our windows replaced and what a difference. After a few different quotes from window companies we selected JDI Amerimax windows. Rex was up front and transparent as to cost and time frame of installation due to inventory backups. Brent and his crew installed the windows and were very professional and on task and I couldn't be happier. Finding companies that show up and follow through as planned are hard to find these days. Can't say enough about this experience.just great!
Matthew Bowden
Sep 26, 2021
JDI Windows is awesome. It's been a couple of years since we got our windows and we couldn't be happier with them. Here's why we love JDI Windows: 1) They were very professional throughout the whole process and communicated very well. 2) The price was far less than competing bids. 3) The quality of the windows and the quality of the install was unmatched.

For real, our neighbors got windows installed at the same time as us and our windows look flawless.our neighbors paid a lot more and you can see several little flaws on the installation. 4) We felt like we only needed half of our windows done (just the south facing windows). They didn't try to pressure us into doing the whole house like the competitors. 5) It's been two years and the windows still look brand new. I've recommended JDI Windows to a friend, and he was blown away by the price and the quality. I know he's referred a couple of others as well. Thanks Rex and Todd!
Harvest Community Church A.
Sep 23, 2021
We were in the market to replace all of our windows in our house and JDIs quote was the best of the bunch. Their amerimax windows were the best bang for the buck. They came and installed all of our windows in less than 1 day. The installers were prompt, professional and did great work. The windows work great I highly recommend JDI for all your windows needs
Nan H.
Aug 10, 2021
Great service and hopefully the product is as good as it looks installed. Todd and his crew were excellent. Showed up on time and finished quickly with high quality work.
Cathy M.
Jun 13, 2021
These ppl installed 7, old metal windows this week Todd and his crew were competent and efficient I could never have wished for a better installation crew Five stars! The price was competitive as well My only criticism would be that all my windows are greatly smeared I am forced to hire a Window cleaner at $150.00 to clean them I'm disappointed Wes? What can you do to mitigate this? Thank you Cathy M Todd contacted me and said that he would reimburse me for the cleaning. A++++ company Best choice I could make Thank you!
Margaret Burns
Jun 07, 2021
Loved working with JDI windows. From Rexford coming out to give a quote and explain the windows to Scott Killman and his team of Matt and Jonathan doing install. Install team were professional, on time and ready to work every day. Great attitudes, very professional and cleaned up after each day. Had a great experience and I love my new windows! Thanks guys, I'd definitely use you all over again.
Chris Bader
Jun 02, 2021
From the estimate to the install, this company is 100% professional. Great pricing and the install was meticulous. I'd have no issues fully recommending or using this company again. Service:Window installation
Kaveh Arabfakhry
May 14, 2021
JDI did an excellent job on my windows, I'd gotten pressured into a contract with Champion windows and Rex acted quickly to educated me about industry practices and ultimately helped me get much more for my money that I would have otherwise gotten. Rex's crew was great to work with and did a great job, everything went as expected, and I love my new windows. Would highly recommend JDI windows and have already recommended them to friends and family.
Chris K.
May 08, 2021
Got an estimate from another company who quoted me $4k more than JDI did for 3 less windows, which INCLUDES a bay and garden window. While, yes, the other company's dog and pony show was much more impressive, I truly believe it was just that. a show. The reviews don't lie. JDI knows what they're doing, and the care they took to ensure I had a good experience was above and beyond. Wes did my estimate and was just a pleasure to work with in the beginning phase. Rex handled everything from the top, while Todd and his crew did the installation.

They were on it. I could get into the quality of the windows and do this-and-that comparisons, but at the end of the day, it's all about getting quality work for quality products at a quality price. I got all three with JDI. Five stars, all day. Thanks again, guys.
Rob B.
May 07, 2021
The owner Rex and his installer Joe provided exceptional service and a really great quality product. I was able to get a very reasonable quote right there on the spot with the first visit. I did not feel pressured in anyway, and I am very pleased with my new windows. They are really beautiful windows and so easy to operate. I would highly recommend JDI to friends and family, in fact I already have to a couple people.
Derek B.
Apr 12, 2021
I hired JDI to replace 9 windows in my house this past week. The work that Scott did was outstanding. He did a great job and was very efficient in his work. He arrived on site promptly at 8:30 when he said he would and knocked them out in a day and a half. We are very satisfied with the work that was done and recommend JDI!
Renata M.
Apr 05, 2021
I had windows and a patio door replaced by JDI. Great company from start to finish, Mark came to do an estimate, good price, transparent, no hidden fees or 'extra' charges pop up later. I was not in the house to meet the crew, but was told they were nice, fast and respectful. My neighbor came home at the end of the day and stared at my house for a good minute or two, hahaha! I now proudly have the most beautiful windows in my neighborhood JDI is honest, transparent and respectful. I was very happy with this company.
D. B.
Apr 02, 2021
JDI Windows did an excellent job for us. The price was extremely fair especially considering the high quality windows that they installed. I didn't think I would notice much, but the design and recommendation for these specific windows created so much more of an open atmosphere to the views surrounding our house. I really am even more pleased with the result than I would have imagined.
Sydnie Lemieux
Mar 22, 2021
Wow, I was SO happy with JDI Windows! After getting multiple quotes and sitting through 2.5 + hour pitches from the big-name companies, my patience for window vendors was very little. JDI was a no BS kind of company (and I'm in sales so that says a lot;-)).They were way more affordable and the windows are beautiful. Joe installed 6 windows in one day, by himself! He was very professional, left our house super clean and very responsive. Highly recommend!
Jonathan Marcy
Mar 17, 2021
Can't say enough good things about this entire company. From start to finish I felt at ease with the entire process and with everyone that I worked with. My wife and I almost went with a different company who actually gave us a lower quote for 19 windows and 2 sliding glass doors, but thankfully Rex stopped us from making a bad decision. He told me straight up he'd never install those windows from this other company in his home, and we'd regret buying them within 2 years.

In the end, we wound up paying a little bit more than we wanted to, but received a product that is MUCH higher quality, and it DRASTICALLY improved the look and comfort of our home. Rex went out of his way to establish a relationship with us first, and then make his recommendation from there. We love that the Amerimax windows are made right here in Colorado, and we felt good supporting a local company especially in tough times like this. Do yourself a favor, don't run around and get multiple quotes, just use Rex and his team and you'll be thrilled with the results.
Lenny M.
Mar 17, 2021
Recently had all our windows replaced by JDI. Real happy with the results. Great price. Scheduled to our needs. Professional installation by Caliber Windows. Highly recommend.
Robin S.
Feb 20, 2021
We loved the process and felt pricing was fair and honest compared to some of the "big name" companies with big markups where they can afford to throw in "free windows." Installation was quick and professional and we will be using them again!
Jessica Swanson
Feb 04, 2021
From start to finish working with JDI has been easy. Rex was accommodating to our multiple changes. Delivery and installation was flawless. Todd and his son replaced 5 windows and two doors for us. They were courteous, clean, and did an amazing job. The craftsmanship is obvious. We'll def have them back to replace the other windows. Appreciated their transparency with pricing and would recommend them to anyone looking.
Jeff B.
Nov 09, 2020
JDI replaced 11 windows in my home. Everything went perfect, from purchase to installation.
Dave H.
Oct 09, 2020
Used Rex and his crew on a different home. Love that the windows are made at altitude in Colorado. His installation crew was professional, courteous and left the home like they found it. Nice to have a company I trust and will use every time needed.
Sarah G.
Jul 25, 2020
Beautiful windows! The absolute best on the block! There is a visible difference. This company was great and easy to work with! We will never look elsewhere for our window needs!
Mark G.
Jun 17, 2020
Not the cheapest, but their professionalism, work ethic, and knowledge of their trade are worth it - you get what you pay for. There are many 5 star reviews on here, and I could repeat their words, so cut to the chase, Ditto, and they deserve it. I suggest you get multiple quotes and have Rex come last, you'll definitely see why they are in a class by themselves.

And then you get Joe, Mr. Installation, a one man crew that knows what he is doing, is great as what he does, and very thorough. Although we had no major problems (as I see on other reviews), any concern we did have was immediately rectified. Kudos and thank you
Chris C.
Apr 09, 2020
JDI windows replaced all of the windows in my house and we're absolutely a top notch outstanding AAA Five Star company that I give my highest recommendation. From price, quality of windows, expert professional installers, clean up, to follow up - JDI Windows was a grand slam selection for me. I was very hesitant when I entered the replacement window search, but when I came across JDI Windows on YELP they had nothing but 5 Star Reviews.

Their pricing was really super competitive and JDI Windows performance far exceeded my expectations despite their excellent reputation. Brent and his team installed the windows professionally with superb craftsmanship and we absolutely love our Amerimax windows built right here in Colorado! Go no further in your searches if you need your windows replaced - you will be amazed.
Karl Romriell
Mar 07, 2020
JDI was great! Rex was wonderful to come over and look at our windows and show us the options they had. The first 2 pictures are our old windows, they were metal and the seals had cracked and the trim was horrible. The last 2 are the finished product! Great windows they work well and it is extra quiet in our home! The window have helped with the warm weather and keeping our house cooler! I would highly recommend JDI for your windows! They are also manufactured here in Colorado and it's always great to work with the local companies.
Brian D.
Feb 06, 2020
JDI replaced 22 windows and 1 patio door, and the installation was perfect, and they did it in 2 days on a 3 story house. Rex, the owner came out, was early, and wrote us up a hand written contract, with a price that was below what we had expected, and the windows installed about 5 weeks later. His crew, Brent and Garrett were excellent, super nice guys and professional, and cleaned up well when finished, and started at 8 AM sharp. The quality of the windows and installation was better than what we had expected. My wife and I highly recommend these guys.
Joe R.
Jan 13, 2020
We were in the market for a full-house window replacement job, as the original wood-framed windows were disintegrating and had to go. I sought a quote from another company before finding JDI's profile on Yelp and another site--suffice to say the great reviews spoke for themselves and I set up a consult/quote with JDI. After meeting with Rex, I could tell he knew the product he was selling inside and out, and with his company's very long history of installing the Amerimax window plus the very transparent and competitive pricing, I was sold. Todd and son did a masterful job on the window installation (17 total), both the inside and outside finishing touches were flawless. I am very satisfied and would highly recommend JDI Windows to anyone in need of window replacement!
Todd S.
Aug 04, 2019
Had them install 9 windows and a door at our house. Rex was personable and thorough. Really detailed the process and pricing. Vinny our installer was awesome. Took pride in the install and made sure everything was done perfect. The windows have already made a huge difference in the temperature of our house! The old ones were thin and had many issues as you can see in the attached below before and after photos. I would highly recommend JDI!
Elizabeth M.
Jul 10, 2019
JDI was great to work with and was very professional. We had a patio door replaced with enclosed blinds. Rex was very professional on the phone to discuss options, cost, and getting me a written estimate, Vinny was great on the initial measuring appointment and install, and the follow up process was great. I highly recommend working with JDI if you have any window projects on your home. Thanks Yelpers for giving great reviews for confirming this was a great company to work with.
Eric H.
May 24, 2019
We just got new replacement windows from JDI Windows. It was painless, easy and Rex offered a very good deal. The installation crew, especially Vince, were professional, on-time and provided a quality install. I highly recommend them. https://jdiwindows.com/
Lynn L.
Nov 26, 2018
We had all of our windows replaced by JDI Windows and we are very pleased with the finished product. Rex came out for the no nonsense bid and did not waste our time with a two hour presentation. He is straight to the point no sales pitch. He will disclose the inventory cost, labor, cost of materials and gross profit of each job. I appreciate the visibility and straight forward approach to bidding for the job. JDI sales Amerimax window which is a top rated window. I highly recommend and Rex made the whole process seamless.
Cam C.
Sep 20, 2018
Can't say enough about the character of JDI and the Owner Rex. Rex was extremely helpful on a full home window replacement that my mother in law was doing on her home. I will definitely be using Rex and JDI for future window replacements and would recommend them to anyone else looking for a reliable contractor.
Ryan P.
May 10, 2018
I recently requested a quote from Rexford and JDI Windows. Rex was very responsive, got back to me quickly and I had a quote in hand in just a few days. The quote was very competitive for a very nice quality vinyl window made in Ft Collins. I ended up going with a company my roofer introduced me to, but it wasn't an easy decision. If I had a question, Rex was standing by - and his follow-up skills are superb. I know you won't be disappointed with the professionalism of JDI and their communication and follow-through.
Patrycja Carter
May 02, 2018
My first major home improvement was completed by JDI about a year and a half ago when I decided to upgrade my old aluminum windows, a total of 9 windows and a sliding door. Let me tell you: the crew rocked! Everything was completed in one day and the guys were so neat, they vacuumed and wiped and cleaned up after themselves as they progressed with the installation.

From start to finish, JDI made my experience easy and hassle-free. No miscommunications, no surprise fees, no hidden anything. It was a straight-forward estimate with thorough explanation of the entire process and product description, followed by delivery of what I've been promised. I also got a great financing deal through them. I'm very happy with the service and the installation. I love, LOVE my new windows!
Gregg P.
Apr 27, 2018
JDI replaced two sliding glass doors for us a week ago with Amerimax glass doors. We're extremely happy with our experience with JDI from the initial quote all the way through installation! When we originally called JDI we thought we needed several windows replaced along with the doors. Rex came to our home to provide an estimate and after looking at the windows, he told us he didn't think they needed to be replaced at all.

He quickly spotted the issue that we needed to resolve instead which saved us thousands of dollars! Rex's honesty and integrity were integral in our decision to choose JDI to replace the sliding glass doors. He and the installer, Brent, were a breath of fresh air during the entire process! When we do end up needing window replacement, we won't hesitate to call Rex and JDI to take care of it for us. We definitely recommend using them for any window or door replacement need you have!
Donna W.
Apr 07, 2018
We replaced several windows in our home with Amerimax windows which we purchased and had installed by JDI. Wes was extremely helpful in helping me make final decisions on the style and size of the windows. It wasn't just a straight replacement of like style of the existing windows. In our great room, we had a large slider window that was too heavy and bulky for me to open/close, and it also split our view in two. So, we replaced it with a picture window and added small sliders underneath for air circulation. Now, our room is 100% lighter and our view is no longer blocked by the screen and slider.

In our master bedroom, we had a bay window with a large window in the center, and two small windows on either side that did not open. We replaced the large center slider with a picture window, and then replaced the two side windows with ones that open/close. That way our view was unblocked, and we now had two windows that opened so that we could get air circulation in our bedroom.

It's amazing the huge difference these changes in window style has made. Also, the glass in the new windows is far superior at blocking UV, which was important since they are located on the South side of our home.

Finally, because we're at high altitude, by replacing the existing ones with windows that were manufactured at high altitude, we won't have to worry about the gas leaking out due to higher pressure. No more "foggy" windows. All in all, very pleased. All in all, very pleased.
Valeria K.
Dec 04, 2017
We loved working with Rex and his team! They are so professional, responsive and handy when it comes to windows installation. We would highly recommend their service to anyone looking for a knowledgeable team that can provide guidance on the best windows in Colorado. The value was also wicked good, thanks Rex and JDI Windows!
Chuck Cordova
Oct 25, 2017
I had about 5 different bids on replacing all the windows on our house. Rex came in and not only had an extremely fair bid but gave us window ideas we had not even considered. We went with his company and his design ideas and couldn't be more pleased! Very professional, on time, and on budget, no surprises. Highly Recommended!!
Sherry D.
Oct 02, 2017
This vendor JDI Windows is amazing. The customer service is the best. They are extremely efficient and prices were way better than anyone else. We almost went with Home Depot, or Anderson thankful we chose JDI instead. I couldn't believe how well they run their business. When they come to your house to install they are polite, and install with perfection working as a team.

Husband and I are very satisfied. Our friends need windows and we are recommending JDI to them or anyone that needs windows. The quality of the windows Amerimax are worth every dime. They are beautiful! Thank you Rex and Darren!
Jessica Mankins Looney
Sep 14, 2017
Very impressed with the crew that came and installed our new windows this week!! They did an amazing job and were very professional. The windows look amazing and I can already tell the difference in the temperature in our home. Would absolutely recommend!!
Katie Welfare
Jun 19, 2017
JDI Windows was fantastic to work with. After interviewing multiple window companies, we chose to use JDI based on their professionalism, timeliness and reviews. They only did four windows for us but worked in a tight space and were in and out within four hours! They required no clean up behind them or touch up - they were efficient and pleasant to have in my home. I appreciated the professionalism and customer service from the day we reached out through to completion and will definitely use JDI again for future window projects!
Randy D.
May 16, 2017
I sent in an email request for a quote. JDI replied within a day and set up an appointment. The person who gave us the estimate was very practical and didn't try to upsell us. He did some rough measurements and gave us a clear price within an hour. The installation went smoothly. We had one minor problem that JDI resolved within a couple of days. No complaints, and the straightforward pricing estimate was much appreciated.
Shane O'Neill
Mar 24, 2017
I had a great experience working with Rex. I am in the process of selling my home. The house backs up to a busy street. There is a lot of background noise. Rex gave me a few good solutions for abating the noise from passing traffic. It is nice to work with someone who has the customers best interest at heart. Some of the solutions which he provided would not benefit him financially. In my opinion, this is the type of company ( with honesty and integrity) that will get my business each and every time.
Chris S.
Jul 05, 2016
Great company! Great experience from the initial phone call, to meeting with Rex for a quote, and the removal of the last spec of dirt removed by Darrin and his crew, and they responded promptly to take care of a small issue with trim. The windows make a HUGE difference with the temperature control and sound in our house. Our neighbor down the street saw their work and she now has a full window replacement at her house using JDI. Highly recommended!
Kristin B.
Jan 20, 2016
Absolutely great experience with JDI Windows! From the first meeting with Rex to the final installation, I am so impressed. I had other quotes that were up to 75% higher and without the customer service and ease of working with a truly local company. I have a 130 year old house in the Highlands and the difference is amazing - not to mention what JDI recommended looks perfect with the aesthetic of my old home.

The windows are gorgeous and a lot less expensive than I thought they were going to be. The installation was super fast and efficient and Brent and Todd have been fantastic to work with too. I 100% recommend JDI!
Tim Sinks
Nov 06, 2014
I live in a 40 year old house and was in need of new windows. I figured the process would be painful, having to get estimates, take time off work, big cost, etc. I received 4 estimates and what I really liked about JDI was how Rex was very upfront about the process, window quality, and pricing. One thing that drive me nuts about a few of the previous estimates I received was how they tried to tell me they would give me a discount if I bought so many windows or signed today type of thing.

That is not what happened with JDI. The pricing was reasonable and honest and I didn't feel like I was talking to a used window salesman. Darren and his crew were excellent!! They did a great job, were courteous and pleasant to have in my home and they even cleaned up when they were all done. Thanks JDI!!!