Denver Windows

Installation, Design and More

JDI Windows Believes in providing a choice of product, custom-fit installation, and unparalleled customer service.

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JDI is the 2024 winner of the Best of the Best award.

If you’re looking for a window company that brings experience, knowledge, and the ability to make your ideas a reality, JDI Windows is the choice for you. Our decades of experience position us well to help with window repairs or replacements of any magnitude. Our team is competent, capable, and eager to answer your questions, providing you with the knowledge you need to make the right window decisions for your home. We pride ourselves on making improvements that increase the energy efficiency of your home and save you money in the long run.

Award-Winning Windows Installation Company in Denver

At JDI Windows, we are synonymous with excellence, and that’s why we have been rated one of America’s best local businesses consecutively since 2020. We have also been awarded the Best of the Best award since 2015, we have made a mark on the market as a trusted service when it comes to windows and doors installation in Denver. Our system isn’t just about the best products, but more about competent people, quality service, and satisfying our numerous customers.

Award-Winning Windows Installation Company in Denver

Award-Winning Windows Installation Company in Denver

Award-Winning Windows Installation Company in Denver

Award-Winning Windows Installation Company in Denver

Award-Winning Windows Installation Company in Denver

Award-Winning Windows Installation Company in Denver


How It Works

Our windows installation process is pretty simple and easy. Need to install beautiful new windows in your home? Here is how it works:


Request a Quote

First, you need to call us at 720-427-4477 or contact us via our online contact form. Once we receive your inquiry, we will process and send an instant quote to you. We’ll usually call you immediately after receiving your request for a quote. This will include a quick consultation that will allow us to learn more about your need(s) and how we can help. Our inquiry will include the number, type, and size of windows you’re looking for, as well as the kind of building you are going to install the window on.


Receive an Accurate Quote

Once you have availed us of the necessary information we need, we will advise with a quote for your project. You can then review the information contained in the quote. If necessary, you are free to make any changes to your initial request. If you agree to go through with the project, you’ll only pay exactly what you see on the quote and nothing more!


Seal Your Order

After agreeing to the terms of the project, both parties can now proceed with the execution. Our windows installation experts at JDI Windows will schedule a measuring appointment within 48 hours so we can come to take the exact dimensions of your window space. This allows us to ensure the products we order are a perfect replacement window fit.


Schedule Your Installation:

After receiving the new windows, JDI Windows experts will reach out to schedule a suitable installation date that works for you. You are to sit back, relax, and enjoy your new windows once the installation is over. In case you notice any issues, you can always reach out to us for an instant solution. We’ll also follow up with you to ensure you’re completely satisfied with our service and to quickly resolve any challenge you might be having. JDI Windows is committed to providing you with a stress less windows installation service in Denver. JDI Windows is focused on providing you with a choice of products, custom-fit installation, and unparalleled customer service.

The Largest Selection, Highest Quality and a Trusted Name in Window Installations.

If your windows are damaged, warped or fogged, it may be time to consider installing a new window. Installing new windows is not just an aesthetic procedure: the benefits to you and your family are extensive. Replacing drafty windows can help you reduce energy costs and better regulate your home’s temperature. And if you’re renovating, installing new windows could be just the thing to take your home to the next level and wow the neighbors, increase curb appeal and even increase the value of your home.

Services JDI Windows Offers


JDI Windows
Installation Service

Whether you’re installing a brand new structure in need of new windows or looking to replace old or damaged windows in your home, you can’t go wrong with JDI Windows. We are an award-winning and highly recommended Denver window installation company.

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Windows Installation Service

Windows Replacement Service


Reliable Windows Replacement Service

If you believe your windows need to be replaced, perhaps due to age, physical defects, warping, etc., JDI Windows can help you navigate the entire replacement process. We will access the actual installation and guide you in choosing the best replacement windows for your home.

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Direct Access to Premium Quality Windows With Exceptional Energy Efficiency.

Altius brand windows are the best of the best when it comes to energy efficiency and fine craftsmanship. Every Altius window comes with the Energy Star label, letting you know that your new windows will help you save money and the environment. Every Altius window is custom made to suit your home, so you’re guaranteed a perfect fit. When it comes to finding a brand you can trust, look no further than Altius.

why choose Altius

How to Choose the Right Windows and the Right Window Company.

Our Denver window company has been in business since 1997 and we have thousands of satisfied customers. But you don’t need to take our word for it! Just read our testimonials or check out our A+ rating on the Better Business Bureau! If you still aren’t sure about working with our company, give us a call and let us tell you why we’re the right choice for you. A member of our friendly, professional staff will meet with you, FREE of charge, to gain a better understanding of your needs and provide you with patio door and window replacement options that meet your expectations.
Contact us today!

wide selection of windows

Look for a dealer with a wide selection of windows.

If they don’t offer a wide selection of windows and customizations, then they’re not right for you. Your windows and homes are unique. Don’t settle for cookie-cutter options from cost-cutting installers. We’ll work with you on the best product.

JDI has over 300 styles,
materials & sizes of

Work with a trusted, local professional

Work with a trusted, local professional.

Don’t go for a national chain that only cares about making a buck off you. We’re local, we know Denver, we’re your neighbors. We want to get you the best possible windows and the best possible product for your home.

JDI is a Denver
family-owned company with over 50 years of combined experience.

questions about pricing

Ask questions about pricing, service, installation and warranties.

Have questions about our services, costs, processes, and warranties? We can answer them. Know that we price to match quality and labor and never charge you hidden or unnecessary fees. Our service is unparalleled and we offer warranties to back up work after the fact.

JDI is a Denver
family-owned company with over 50 years of combined experience.

JDI is the Right Choice for Professional Window Installation in the Denver Area.

  • Denver
  • Lakewood
  • Englewood
  • Aurora
  • Longmont
  • Boulder
  • Westminster
  • Littleton
  • Broomfield
  • Golden
  • Castle Rock
  • Brighten

Customer Testimonials

Customer Testimonials

“The highest professional work during the entire process…”

B Tom, 3/15 Facebook

“The highest professional work during the entire process…”

Tom B, Facebook 3/15

Frequently Asked Questions

How long is my windows installation going to take?

We know a thing or two broadband, and getting on the internet. So, we thought we would try to explain one or two things when it comes to broadband and switching.

Can I install new windows or replace my windows in winter?

Generally, it’s common to carry out window installation around warmer seasons. However, you don’t have to wait until the warmer months to make the call. If you have been considering window installation services during the winter in Denver, feel free to reach out to JDI Windows?

Will the quote I received change after you take the measurements?

No, it won’t change. The quote we sent you, in the beginning, is exactly what you will pay at the end of the installation service.

How do I know which product is best for my home?

You can confidently trust our JDI Windows installation Denver team to help you get the best products on the market. We use premium quality windows both for new installations and replacements.

How do I know my window is due for replacement?

There are several considerations to factor into your decision-making process. For instance, what is the condition of the windows? Are frames warped? Are the seals damaged? These are some important questions to ask before deciding on whether a replacement or new installation is best.

However, you don’t have to sweat it at all. That is why we are here. If you’re not sure what to do, simply give us a call, and we’ll take a thorough assessment of your windows and advise you on the best course of action.