About

JDI Windows has been in business since 1997 specializing in Vinyl, Composite, and Wood/Fiberglass Windows. Unlike a lot of companies who are a “Jack of all trades, and a master of none”, they only focus on Window and Door Installation making sales and installation teams sharp on product and construction practices. When working with JDI Windows for your window replacement needs, they promise you A+ service and communication from start to finish.

Their expert sales team with 35+ years of window sales experience combined can answer all questions and concerns about the project from start to finish. They can do all jobs from custom cut-ins, to standard retro-fit.   JDI Windows does it all with un-beatable prices and service. Their track record speaks for itself. Give them a shot and see what they can do for you.

Services Offered:


  • Basement Windows
  • Window Replacement
  • Vinyl Windows
  • Patio Doors
  • Awning Windows
  • Bay or Bow Windows
  • Double Slider Windows
  • Garden Windows
  • Casement Windows
  • Picture Windows
  • Wells Fargo Financing up to 5 Year Interest Free
  • $0 down, 100% Money’s Collected upon Completion

Google Reviews

JDI Windows Rating: 4.8

Kim B

Oct 17, 2018
We had a large amount of windows replaced in our home. Their price and honesty were second to none. They followed up with us […]

Eric Jaramillo

Sep 17, 2018
JDI did a good job with installation, they came in when committed and finished on time. The work was quality, however clean up was […]

Elaine Butler

Nov 12, 2018
We had 10 of our upstairs windows replaced. JDI gave us excellent service with the best price. Installation was a flawless. […]

Tom Simpson

Jul 10, 2018
We are a ways away, up in Boulder and their crew came out and did a very fast, professional job. Two of the windows […]

Fran Scram

Oct 11, 2018
JDI has a great team of installers and provide excellent value! Everything was done efficiently and within the timeframe their quoted. Cleanup 'was better' […]

50 Recommendations

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Great experience with JDI! I had some issues with my new windows that the home builder installed and Rex took care of the problem without any issues. In fact one of the few companies that didn’t try to sell me something I didn’t need. Tony came by and took his time to do it right. Would definitely use them and again and highly recommended.

Scott D.

We just had all of our windows replaced by JDI. Rex came out and gave me a quote for windows, which also include 3 custom changes. The quote was far better than others I had received, and the job was completed at the quoted price. Todd and Joe did a great job, were very courteous and cleaned up at the end of every day. I would definitely recommend JDI.

Tom H.

I received excellent customer service and quick install of 18 windows. I knew it might be a challenge since I am overseas, and the time difference made it difficult to communicate. Rex made the effort and made me feel comfortable about all the questions I asked (since I made the purchase without ever physically seeing the product). I am very happy with all the folks at JDI and would highly recommend them!

Juanita L.

Our home had the original windows which were not very sound proof or insulating. We gathered three bids and JDI's bid using Amerimax Craftsman Portrait windows was the best value. Last week, we had 25 windows replaced and were pleased with the quality of work done by JDI's crew who were both professional and polite. We immediately noticed a significant decrease in outside sound and are looking forward to a warmer home. In our opinion, it's well worth getting a quote from JDI.

Terrence F.

These guys cleaned up during the install and left the place cleaner than when they arrived. The windows are great. The install is great. All is right with the world after our new window install!

Randy C.

I had a wonderful experience with JDI. After receiving multiple window replacement bids, it was an easy decision after meeting Rex, the owner. He came to my house, was very professional and honest about his pricing. He showed me how much he pays for windows, what he pays his crew, and gave me a discount for making a decision that evening. After all of this, his bid came in the lowest, which was an added bonus. I was purchasing a product made locally and supporting a local company. It took JDI one month from signing contract until windows were installed. His install crew were very respectful and friendly and I felt comfortable leaving them in my house alone. Highly recommend JDI Windows!

Michelle R.

Rex and Darren were excellent to work with. Rex came in with the lowest bid that I received out of 5 companies. They purchase local windows which are made in Fort Collins (which is important if you know about how they transfer windows to high altitude). Rex actually promised me that the cost he quoted me was the only cost that I'd pay. Any mistakes they made on their end they would not charge me extra. After I signed the paperwork, we realized that he had not accounted for 2 whole windows! With those 2 windows totally nearly $1000, Rex held true to his word and payed for them out of pocket! Talk about great customer service!! Highly recommend. I had 18 windows done and it took Darren's team 2 days to complete it. Exactly what they had promised right out the gate.

Tyler D.

Recently I purchased new windows from JDI Windows and it was one of my most enjoyable transactions I ever made for my home. It started with the sales process working with Wes who came over and was very informative but never pushy. He explained different windows and window ratings and how they would improve my home. He said it would take 4-6 weeks for delivery and installation and at 4 weeks exactly he called and told us they would be installing in two days. Tony and his crew came out 2 days later and began installation. They worked very hard but never too fast trying to get the job done in a hurry. They seemed to take just the enough time to do the job right. Tony, Rob and his crew did an amazing job installing our windows. I must say I am very impressed with JDI Windows. I highly recommend Wes, JDI Windows and also Tony and his crew!

Joe H.

We had a great experience with JDI Windows. The quality and price of the windows were far better than other competitors in the market. Wes was a pleasure to work with and helped us through the whole process. Installation was quick, easy and painless. We've been burned by other home contractors and it took us a lot to trust someone again to come into our home. It was an overall great experience working with the JDI team and we will be using them again in the future to replace some of our other windows.

Jaime Zilverberg

I could not be more pleased with JDI Windows. They made shopping for windows and setting up installation so easy from start to finish! We were able to get windows for our basement at a reasonable price. We just had them installed a couple of days ago and they are beautiful. Rex's crew was very professional, worked briskly yet they were careful when working in my house. Great company and professional crew!! I would highly recommend JDI.

Steve Hordinski

What a great company! We just had 14 new windows installed yesterday by JDI Windows and they look AMAZING! I can’t believe what a difference the new windows made on the look of our house. We have an older home in Platt Park and we wanted to make sure that the windows maintained the same look and feel for our home. We initially met with Wes and he did a great job explaining all the different options and had some great recommendations. We were able to keep the colonial style of the windows that we love, but in a more modern, efficient window. We probably got every different kind of window they make and we are happy with all of them. I couldn't believe how fast Brent and his team installed the windows. They were professional, friendly and did a great job. They cleaned up everything at the end and explained all the different features of the windows. I got two other quotes from other window companies, and JDI's quote was on par with the others, and also a very reasonable price for the scope of work. They had the best reputation of the 3 companies and had the best explanation and ideas for our project. If you are thinking about replacing your windows, I highly recommend JDI windows!!

Brenda P.

Recently I purchased new windows from JDI Windows and it was one of my most enjoyable transactions I ever made for my home. It started with the sales process working with Wes who came over and was very informative but never pushy. He explained different windows and window ratings and how they would improve my home. He said it would take 4-6 weeks for delivery and installation and at 4 weeks exactly he called and told us they would be installing in two days. Tony and his crew came out 2 days later and began installation. They worked very hard but never too fast trying to get the job done in a hurry. They seemed to take just the enough time to do the job right. Tony, Rob and his crew did an amazing job installing our windows. I must say I am very impressed with JDI Windows. I highly recommend Wes, JDI Windows and also Tony and his crew!

Joe H.

Great job! Professional and on top of it.

Evan W.

What a fantastic experience! JDI Windows replaced 11 windows in my condo - ahead of schedule, exactly on budget, and with a perfect amount of communication. I would 100% recommend them. The work looks fantastic and my condo is already quieter, more energy efficient, and more attractive. Could not be happier. Thank you Rexford and team!

Mike C.

This was our second time ordering from JDI Windows! Rex Hayden provides an outstanding product and service. And for the second time, JDI did a fantastic job, great windows, great installation, and great installers. We live in the foothills at 7200', and the windows are amazing...the house is much warmer in winter than ever before. The views are fantastic. The windows open and close easily. Tony Chavez, our installer did a super job!

Joana M.

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!

Kristin B.

I had a great experience with JDI. I received quotes from multiple companies but they seemed to take the time to explain the process and the Windows they chose to use with the most detail. I even got a discount for agreeing to sign with them the day they gave me the quote (keep that in mind if getting several quotes so you can feel confident with your decision) they do. It require any money until the job is completed which is always a good sign. Everything went smoothly. They installed 5 Windows in 4 hours. They were professional and cleaned up after themselves. It has been a long time since I was 100% satisfied with a home project. Thank you!!!

Emily B.

Incredible support from initial contact to completion of work. Wes was my sales contact and came out multiple times to help us through the process. Making a large purchase like windows I wanted to make sure that i did my research. The process took me over 2 months to get multiple quotes, research window materials and decide on options before signing a contract. Wes was supportive, patient and answered every question. Additionally, JDI provided references near our neighborhood so we could view their work up close. The install went just as well. Darrin and his crew completed the installation of 20 windows in a single day. When finished, the house was clean and the windows look great. Overall I am extremely pleased with the entire process and can endorse JDI without hesitation.

Todd W.

We had the benefit of seeing two other jobs on our street that had been done by JDI, so we knew what to expect as far as quality and speed of work being done. We were really pumped about the quote we received, and it was so in line with what we could afford to invest in our home that instead of going the let's-do-half-now route we went all-in. Rex was great to work with, low pressure, and is obviously confident with how well this company can deliver on their work orders. When install time came, Todd and Joe were... amazing. A lot of this is straightforward work, but it's done on ladders on the side of your house while mitigating bees/wasps/hornets and the crud that builds up behind 20-year-old walls. They paid close attention to problem spots we've had with our old windows and window openings, worked around a 2- and 6-year-old, and were efficient in getting our 16 windows and patio door done in 1.5 days. As my neighbors would recommend them to us (which led to our ensuing purchase) we'd highly recommend JDI to you.

Mike B.

JDI Windows is one of the best kept secrets in the Denver Metropolitan area. Their loyalty, inventory, price points and cleanliness place them in an elite class of contractors.

Kirby Y.

Rex was great all the way from negotiating through submitting the order to installation. He explained all the choices/requirements and gave a completive quote (comparing to two more quotes) . Windows were ready a little earlier than he promised, which was great! Installation guy worked around my schedule and did a great job installing the windows. I'm happy I went with him and will call him first if I have more business for him.

Ed K.

Great experience. It was not the high pressure estimate that I experienced with other window replacement companies. I purchased my windows and had them installed in August. They've been wonderful for the remainder of the summer and as we go into winter. Thank you for the great service!

Anastasia S.

JDI just replaces 4 windows at my house and I'm very happy with the results. Within a few weeks of contacting them the windows were measured, ordered and installed. Rexford and his guys were very professional and took the time to make sure everything was installed perfectly. I'd definitely recommend JDI to anyone.

Brian S.

I started this journey a couple of years ago comparing windows, companies and prices. This was the first time I spoke with Rex. He gave me the "facts", answered my questions and concerns without a lot of 'stuff'! I decided not to decide at that time.
Started the process again this year, called the companies again, listened again and then called Rex. Once again he was direct and informative. Never looked back! His service was extremely professional, his prices were more than competitive and the quality of window was on the mark. The windows were delivered early and the INSTALL was the best. . . Lee, Jason and Ryan came in prepared the area, explained their process, answered my questions, installed, cleaned up the site including my new sparkling windows 🙂 and politely were gone. This could not have been a better project from the beginning to today as I enjoy my new windows. Thank You All!

Josephine N.

My only disappointment is that I can't give JDI more than 5 stars, because they are SO worth it!!! If you are looking for windows, I absolutely PROMISE you can’t do better than JDI Windows. As you already know, windows is one of the largest investments you can face as a homeowner. I have been shopping for several months to ensure that I got the right fit in regards to quality, price, professionalism, and long-term gain. When Rex came to chat about my window needs, he was here for not even an hour; but, by the time he left, it felt like I had been spending an afternoon with an old friend. I talked to a LOT of window people, and Rex blew them all away! He came fully prepared, he had a great handle on my budgetary needs and didn’t try to “push” for more – in fact, he even made some cost-saving suggestions that I didn’t even know about! As for timing and delivery, I could not have asked for more. We placed our order the week of Thanksgiving, and Darren and his crew were ready to install by December 11th! Because of my schedule, the windows went in a week later, but Darren pushed hard to get them in before the weather changed. The day of the install, Darren arrived with 3 other gentlemen on time, cheerful, and ready to get to work. I cannot even express my delight at how kind, professional, non-obtrusive, and respectful all of them were. I had 9 windows done (7 of them were pretty large) and a sliding patio door. They had everything completed, cleaned up, and ready to go by 3 that afternoon. And the level of attention to detail!!!!! Anthony was even on his hands and knees with a shop-vac making sure every single sign of the install was cleaned up and taken care of….how often do you see that!?!?!?! They were all so kind, friendly (but not overly so, if you know what I mean), and attentive. I have been a homeowner for almost 30 years and I can tell you that I have NEVER had such a positive experience with a company that I have contracted to do work on my home. If all of this weren’t enough, the quality of my windows is fantastic!!! I actually noticed a huge improvement that very evening! I had 30 year old windows that were in terrible shape, but the Amerimax windows that I am now so proud of are SO worth the investment. They are super-easy to operate and maintain, and my Excel bill has actually dropped by almost 40%! In addition, they have a great warranty, and they are absolutely beautiful both to look at AND to look through!!!! I have even had some of the neighbors come over just to compliment me on the windows and ask who did them. Of course, I am telling them all to go straight to JDI, they won't regret it.

Tanja T.

My house had heavy hail damage and 12 windows were damaged. I researched Window Company on line and found so many great review for JDI windows. I just sent text message to the owner of company Rexford and got replied promptly. He came my house on time and was very professional. Bid was reasonable and affordable. All processing was completely done as schedule. I was expecting at least 2 days to replaced 12 windows because location of windows were very high and I saw my neighbor house window replacement took 2 or 3 days, but JDI team came early in the morning and started to work and finished completely same day. All new windows turned out great looking. We are greatly satisfied with JDI windows.

Chulmin K.

As mentioned in a previous review, I'm glad that Rex was my 3rd and last quote. He blew away the other companies and provided a detailed quote explaining the costs. No other company did that. Windows came in on time 4-6 weeks and he uses a local company which is a great for the Colorado economy. I want to give a shout out to Kerry and his crew, who installed the windows. I called Kerry the day before the install and let him know we had a family emergency and fly out of town. Kerry completely understood and rescheduled for the Saturday we got back. His crew was friendly and very respectful. They did our baby's room first so we had a place to keep her away from the noise. They did a great job installing windows and door and cleaning up afterwards. I'm am very impressed by JDI and will recommend them to anyone who asks. Thanks Rex!!

Kevin M.

My husband and I just had brand new windows installed by JDI Windows. Both Rexford Hayden and Vernon did a great job! I reached out to Rex and JDI Windows because of the good reviews that I saw online via Yelp, Home Advisor and Google. The reviews don’t exaggerate. From the first contact I made with Rex he was very friendly and approachable. He set up an appointment to meet my husband at the home a couple of days later. The quote we were provided was great and competitive compared to other area window installers. I also loved that the windows were made by a local company out of Longmont. Our house is 50 years old and the original windows were there. Vernon removed and carried our old windows away and installed the new windows all within a matter of hours. The windows were exactly what we ordered, were installed professionally and he cleaned up the areas he worked in as well! During the time that we were waiting to get everything installed, Vernon made sure to keep us in the loop regarding the timeframe that he would be over to install. Really great job and I would highly recommend JDI Windows to my friends and family when they need windows!

Ann H.

Great experience with JDI! I had some issues with my new windows that the home builder installed and Rex took care of the problem without any issues. In fact one of the few companies that didn’t try to sell me something I didn’t need. Tony came by and took his time to do it right. Would definitely use them and again and highly recommended.

Scott D.

In April 2016, JDI replaced fourteen windows at my south Denver home. Rexford Hayden drew up a detailed and transparent quotation. The installers were careful, conscientious, and obviously highly skilled.The Amerimax windows look beautiful. I unreservedly recommend this company.

IE G.

This was our second time ordering from JDI Windows! And for the second time, they did a fantastic job, great windows, great installation, and great installers. We live in the foothills at 7200', and the windows are amazing...the house is much warmer in winter than ever before. The views are fantastic. The windows open and close easily.

Joana M.

Recently I purchased new windows from JDI Windows and it was one of my most enjoyable transactions I ever made for my home. It started with the sales process working with Wes who came over and was very informative but never pushy. He explained different windows and window ratings and how they would improve my home. He said it would take 4-6 weeks for delivery and installation and at 4 weeks exactly he called and told us they would be installing in two days. Tony and his crew came out 2 days later and began installation. They worked very hard but never too fast trying to get the job done in a hurry. They seemed to take just the enough time to do the job right. Tony, Rob and his crew did an amazing job installing our windows. I must say I am very impressed with JDI Windows. I highly recommend Wes, JDI Windows and also Tony and his crew!

Joe H.

Really enjoyed every member of the team. The crew finished installing windows in one day, caulked the next. Everything went smoothly. Great job! I can’t believe how warm my house is since they did the work, and they did it in such a timely manner and they were just the best out of every company we looked at. I’m just very, very thrilled that i will be saving some money on our heating bills as well as the tax deductible.

M. D.

I wanted to express my 100% satisfaction with the job JDI Windows did providing and installing our new windows. From the owner, Rex, to the installers Lee and Joe, they all displayed the highest professional work during the entire process. I would recommend them for anyone considering a window contractor!

Tom B.

Can't say enough good things about Rex and his team at JDI. Rex (owner of the company) was the third quote I got on my windows and Im sure glad I waited on his estimate before going with one of the other guys. Not only was he the only one that actually broke down the quote into line items for me to see what was the raw cost of the materials, the labor, his profit margin, but he was also the cheapest! Now, rest assured, I was not just looking for cheap on this window replacement. I really wanted top-quality to reduce the draftiness and give me a significant reduction on my heating bills. The Amerimax windows that JDI sells are superb. Locally made in Colorado (an added bonus to support local manufacturing) which means that they have the correct amount of Argon gas for our high altitude. They came in on schedule (was estimated 4-6 weeks and they came during week #5), and despite a small delay due to subzero temps in early November, the installation was handled seamlessly by Darrin and Tony. Top quality work all-around. No reason to look elsewhere or to spend 2-3x's as much money with one of the big name guys. Go with Rex and JDI Windows for your window replacement job!

Nick P.

We had a great experience with JDI windows! Rex and his team were easy to work with. And they were very friendly and professional. They installed Anderson's Series 100 windows in our 1936 house. All 12 windows were installed in a single day and they look awesome! I would certainly use them again and recommend them to anyone wishing to install new windows.

Brandt R.

Rex with JDI blew away the competition. Excellent service, price, and quality. The windows are beautiful and he was able to have them installed before anybody else could and he beat all other bids. I cannot recommend these guys any more highly. I use to install windows and the crew that did mine was professional prompt and put the extra finishing touches on the windows. Thank you JDI my house looks awesome!

Ryan H.

We had a large amount of windows replaced in our home. Their price and honesty were second to none. They followed up with is when we weren't getting our homeowners to responded to our request and got the windows order and put in place in less than a month. They guys that came out to do the install did it in less than 3 days and did a great job. I would highly recommend them.

Kim B.

Just wanted to write you a note to let you know what a great job you guys did on the windows. I appreciated your no-nonsense negotiation, and informative walk through. Your price was by far the most competitive considering the 15 windows being replaced in the house.
They are all in now, and the place looks great. Lee and the guys did a great job on the install. They were all very friendly and also tidy with their work. Though we had a few challenges with scheduling, the guys were flexible and have come back multiple times now to make sure the job is done right.
Also, after the job was completed and I noticed one more window frame that needed replacement, I really appreciated you authorizing one more repair on the outside window frame, without charging me any additional fees.
I highly recommend your crew for anyone’s house and their future window projects.

Aaron M.

I just wanted to drop you a note and let you know how thrilled we are with the new windows and doors. They have exceeded our expectations! Le and his guys have done an outstanding job on the installation and keep me up to date on the whole process.

One of our biggest concerns was how the windows would look on our 1890 Victorian. They look GREAT! You cannot tell they are replacement windows without looking closely at them on the outside. They look equally appropriate from the interior.

Please consider us your companies number one reference in the future. You can be assured when we decide to change out the last 5 windows at the back of the house we’ll be calling you and your team to do the work.

Craig D. - Denver

I gotta tell you, those windows are beautiful. Lee did a great install. Could not be happier w/them. Thanks so much Rex & JDI Windows!!!

Steve and Robin - Centennial

Rex, I wanted to thank you again for taking the time to visit with me and present your product bid, again you "swung for the fence" and hit a home run! Sherry and I look forward to a nice upgrade of our home and a reduced electrical/gas billings as the windows will provide us with superior thermal control. I will wait to hear from Lee later this week.

James and Sherry - Littleton

I am so glad that we decided to have you and your company do our windows....as it is ME that wants to thank YOU guys for the fantastic windows, and the awesome job done installing.
I could not be happier with everything involved. From the first meeting with you, the straight forward bid information, the incredible quality of the windows, the difference it has made in my home, and the wonderful expert friendly installation team!!!!
They were here the morning of the great "40 degree drop in temperature", and I was truly grateful that they tweaked me in to the schedule that day. I can sit right next to the windows without feeling any temperature change from the rest of the room, and they do not frost up at all!!!! Most beautiful view now, and WHAT A DIFFERENCE!!!!
I will definitely recommend JDI to all my friends and any one who wants to know!!!!
Thank you again!!!! Happy Christmas to you all!!!

Cindy C. - Denver

So far, so good, especially with this cold snap! No cold coming around them at all! The upstairs window turned out just beautiful!!! It was refreshing to have the job be completed without a glitch or a hitch!!! So rare in this world today

Karen K. - Bennett

Love my windows and the savings I have already noticed. Thanks to Rex and his team. Your company as well as your products are high on my recommendation list. Thanks again JDI Windows.

Sarah H. - Golden

From start to finish, I had a great experience with JDI. Rex gave me a quick, no-pressure estimate, and Lee and his team were fast, thorough, and professional throughout the entire process. My wife and I are very happy with our new windows, and we highly recommend JDI.

Tom S. - Aurora

We are so pleased with our new windows. Mike and Mike Jr were just great. They did a great job with clean up also! Thanks to everyone. Happy JDI customer.

John and Doris - Littleton

I am very pleased and thankful with the work performed while replacing our windows. The guys who worked were courteous and well mannered. I will most definitely refer JDI Windows to my family members and friends. Thanks JDI Windows!!!

Elizabeth R. - Brighton

I live on South Broadway in a busy bar & restaurant district and have noticed more street noise over the years, so I started seeking solutions to mitigate the noise. In addition, my wooden windows that were installed in 2006 were beginning to leak so much cold air that my heater would constantly kick on downstairs even though my upstairs rooms were already warm.

I was put into contact with Rexford Hayden @ JDI Windows. He came to my home for a consultation, and right away I was impressed with his professionalism and his friendly nature. Rex is a great listener and takes his time to understand your needs.

He then made some recommendation options for me, and we proceeded to order some triple-pane / noise reducing windows for my rooms upstairs. For me, this was a trial to see if indeed the windows would reduce the street noise.

To my amazement, the windows are incredibly quiet and very high quality. I was so impressed with JDI Windows' workmanship and quality installation by Lee and his team of installation specialists, that I've had them out again to install the same windows downstairs. I've also referred JDI to my family members who also needed new windows and they had the same experience.

To sum it up, if you're seeking high-quality windows and installation, give JDI Windows a call. I've been very happy with my experience and would recommend them to anyone seeking new windows.

Chris S.

I really enjoyed every member of the team. The crew finished installing windows in one day, caulked the next. Everything went smoothly. Great job!

Kelly W. - Denver

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