Best-Rated Replacement Windows in Colorado

At JKR Windows, we offer affordable replacement windows prices without compromising the quality.

Contact us to know the cost to install replacement windows in Colorado.

Window Installations

Voted #1 In Home Window Replacement. 

The highest quality windows available at the best price. We currently have our BIGGEST windows sale happening right now! Let us help you upgrade the look and feel of your home this year!

Window Replacement and Installation

4.9 Average | 989+ Reviews
40 years of Professional quality window replacement and installation throughout the nation! See our service areas here.

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Trusted Window Replacement Contractors in Colorado

Are you looking for the best window installation and replacement contractors in Colorado? Look no further than JKR Windows.

We have over 40 years of experience in home window installation service. Our professionally trained and certified team can handle big or small, commercial or residential window replacements.

We use only the finest materials to deliver durable and energy-efficient replacement windows to Colorado clients. From selecting and installing the windows and repairs, you have us as your trusted partner.


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Professionally Trained and Certified

JKR Windows uses only the highest quality windows at the best price.

Types of Replacement Windows in Colorado

At JKR Windows, we provide various options for window replacement to match your varying tastes and budget.


Single-Hung Windows

A traditional window with two sashes. However, only the bottom sash is operable and it moves vertically. Great choice for modern as and traditional homes.
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Casement Windows

A sleek window style opens like doors and pivots on one side. Provide excellent ventilation and capture natural breezes. Ideal for hard-to-reach places.

Slider Windows

A great choice for unobstructed views and simple operation. Consists of two horizontal sashes that slide back and forth.

Bay and Bow Windows

A popular home replacement window to add character and elegance to your space. Extend outward from the wall to create extra interior space and a charming nook. With three or more panels, it creates a curved appearance.

Awning Windows

Often installed in basements, bathrooms, and kitchens. Hinged at the top and open outward to resemble an awning. Allow fresh air in while protecting the home from rain.

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Why Invest in Replacement Windows in Colorado

Enhanced Energy Efficiency

Energy-efficient windows lead to substantial long-term savings. Provide better insulation that reduces energy loss and lowers utility bills.

Improved Comfort

Window installation significantly enhances the comfort of the home. Maintain consistent temperature and protect against extreme cold.

Increased Security

Modern windows often come with advanced locking mechanisms for extra security. Enjoy complete peace of mind as your family is protected.

Enhanced Curb Appeal

Windows transforms the appearance of the property while improving the overall aesthetics leading to enhanced curb appeal.

The Right Material for Replacement Windows in Colorado

Check out the best range of materials available for Colorado windows.

Vinyl Window

Vinyl replacement windows are known for high durability and low maintenance. Easily the best windows in humid climates as they are resistant to moisture. Our vinyl window replacement company offers many colors and styles.

Wood Window

Wood windows can be painted or stained to match your home’s interior and exterior decor. Requires good care and maintenance to protect them against common pests.

Aluminum Window

Aluminum windows are often used in modern and industrial-style homes. Lightweight, low-maintenance, resistant to corrosion, and energy-efficient. Provide excellent strength and durability.

Understand High-Quality Vinyl Windows The Easy Way

Fiberglass Window

Fiberglass windows are strong, energy-efficient, and low-maintenance. Excellent option for extreme weather conditions. Available in various finishes and styles.

Home Window Replacement Process

At JKR Windows, we replace your windows in 4 simple steps.


 We measure window openings and assess any structural issues that need to be addressed before installation.

Remove Old Windows

 Our team carefully removes old windows to minimize any damage to the surrounding structure.


 We perform necessary repairs or adjustments to the window openings to ensure a proper fit for the new windows.


Our team securely completes the windows installation process while checking insulation.

Casement Windows

A sleek window style opens like doors and pivots on one side. Provide excellent ventilation and capture natural breezes. Ideal for hard-to-reach places.

What our Customers Are Saying


4.9 Stars Average | 100's of Reviews


“Amazing well done JKR”

Wow! Thank you Ryan we love our new windows!! Kirk and his crew arrived early! Worked efficiently and were very friendly and informative. Some of the old windows in our home were a challenge but they handled it so well they were done before I knew it! They cleaned up everything too. It's hard to believe they did all 14 windows in 1 day. Our home is old so they had to do custom sizes for every window. Well done JKR, well done!!

Judy Linton


“We couldn't be happier”

Jessyka’s and Rylan’s teams did an amazing job installing our windows today. They were so fast (20 windows and a sliding glass door in 7 hours!) but didn’t cut corners and did high-quality work. I loved that they cleaned up after themselves when they were done. We couldn’t be happier with our new windows!

April Rich


“10/10 would recommend to anyone”

These new windows from JKR window are great! There is a noticeable reduction in heat and sound transfer and the special features are great. We appreciate the professional install and consideration for Ron and his crew. The service and warranty plan for the windows is great too.

Jodi Richins


“Dated Home A Face Lift”

We were so impressed with the product and the service! We felt like the windows gave our dated home a “face lift”. The staff, in particular Dylan, Damien and and their crew were attentive, knowledgeable, and respectful. We were surprised that our entire home had new windows in a matter of hours. Thank you! You come highly recommended by us.

Kathy Shaw


“Windows are Great!”

JKR windows did an awesome job on our house! From the sales crew to Dougs installation crew coming all the way from Vegas. We were treated with with friendly staff and efficient service! The windows came out great! We were so happy with everything! Great job guys! Highly recommend this company!

Irving Wilson


“Respectful of my home”

JKR did an incredible job replacing our windows. They replaced 12 windows in the middle of August. I expected to have a hot house that day, but they worked so quickly and efficiently that I barely noticed a temperature change. They cleaned up after themselves and were very respectful of my home and my time. They were so kind to everyone.

Victoria Gomez


“Give them 6 Stars”

I'm ecstatic over the high quality of my windows and sliding doors from JKR Windows. The professional installation by Ron's team exceeded all my expectations. They paid attention to every detail, answered every question or concern, cleaned up as they worked. I recommend JKR Windows to anyone who is looking for window replacement. I give them 6 stars!


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Questions we get asked

Why to replace windows?

There are several numbers of benefits homeowners must consider for window replacement including

  • Improved energy efficiency
  • Enhanced curb appeal
  • Increased home value
  • Noise reduction
  • Extra security

Still doubtful? We are happy to assist.

Still doubtful? We are happy to assist.

If you notice any of the below-mentioned issues, it’s a good indicator that replacement is necessary.

  • Drafts
  • Condensation between pane,
  • Difficulty opening or closing
  • Visible damage (cracks or rot)
  • Rise in energy bills
How often should I consider window replacement?

On average, good quality windows can last 15-20 years or more. If your windows are significantly older and showing signs of wear, it may be time to replace them.

Consult the best replacement window installers in Colorado like us and leave everything to our technicians.

How long does it take to replace windows?

On average, it takes about 1-2 days to replace multiple windows. The actual time for window replacement varies based on the number of windows, their size, and the complexity of the project.


Call (855) 455-7155 and schedule a field visit. We can provide a more accurate timeline during the assessment.

Are there any government incentives for energy-efficient window replacements?

Yes, some regions offer tax credits or rebates for homeowners who install energy-efficient windows. We suggest you check with your local government authorities.

Learn about energy-saving rebates in Colorado here!