Jake FosterLiving in Colorado means dealing with unpredictable weather, which makes drafty rooms and high energy bills a real headache for homeowners and landlords alike. Expertly installed windows can help you mitigate that.
That’s why I gathered the best window replacement services in Denver. Only providers with secure, reliable, energy-efficient windows made the cut.
While you’re upgrading your windows, why not refresh other parts of your home as well with these painting and house cleaning services? Get them all in one fell swoop!
How much does window replacement cost in Denver?
Window replacement in Denver typically ranges from $450 to $1,200 per window installed, depending on the materials and energy efficiency you choose.
| Material | Cost Range Per Window |
| Vinyl | $450 – $900 |
| Aluminum | $400 – $1,000 |
| Fiberglass | $700 – $1,500 |
| Wood | $700 – $1,500 |
| Specialty/Bay | $1,500 – $4,000 |
1. Window Replacement Denver
Website: https://windowreplacementdenver.com/
Address: 1480 N Humboldt St, Denver, CO 80218
Contact: 720-701-2202
Hours: Monday – Sunday: 7:00 AM – 9:00 PM
Taking on a home exterior project can quickly drain your budget, but Window Replacement Denver guarantees to beat any competitor’s estimate by at least 30 percent. This aggressive price-matching, along with their expertise in handling storm damage insurance claims, makes them a standout option for property owners.
I recently spoke with a neighbor who used them after a hail storm, and they loved how the team managed the entire insurance process.
As a family-operated contractor with over a decade of experience, they truly understand our local climate challenges. They’re also a Pella Platinum Certified Contractor, which means you’ll receive premium products installed by seasoned professionals.
However, because they’re in such high demand for specialized storm restoration, you might experience occasional scheduling and installation delays.
always on time and knowledgeable
We completed a renovation on our home this year including 35 windows, our roof and a massive bi-folding patio door. Window Replacement Denver’s process was 10/10 from start to finish. Our rep, Daniel Dehdashti, was polite, always on time and knowledgeable. His window insight helped us save a lot of money and gain a lot of glass space. The project manager, David Keefe, was extremely helpful and kept us updated at all times. I was shocked at how great our home renovation experience was. I would highly recommend Window Replacement Denver.
Alyssa Boudhaouia, Google Review
Great communication and incredibly thoughtful.
There aren’t enough great things I can say about the team at Pachner Exteriors. They did an incredible job on my roof replacement a couple years ago, I was so happy to be able to work with them again for my window install. Daniel was amazing to work with. Great communication and incredibly thoughtful. David and his team were awesome at install. He was great navigating through the ever-changing weather conditions and the crew managed the install flawlessly. I’m beyond happy with the finished product and highly recommend their services.
Lisa Rongey, Google Review
2. Window World of Denver
Website: https://www.windowworldcolorado.com/
Address: 480 E 76th Ave Bldg 5E
Contact: (303) 574-9594
Hours: Monday – Thursday: 7:30 AM – 4:00 PM (by appt. only), Friday: 7:30 AM – 1:00 PM (by appt. only), Sat: By appt. only
Finding a balance between massive brand reliability and local service can be tricky, but Window World of Denver manages this beautifully by pairing their national backing with local ownership.
Their most compelling draw is an industry-leading limited lifetime warranty on their US-made products and installations. This comprehensive coverage gives homeowners incredible peace of mind when making such a significant structural investment.
They focus heavily on energy-efficient, custom-built windows designed to lower utility bills during our hot summers and freezing winters. The complimentary, no-pressure consultations are a relief for renovators who despise aggressive sales tactics.
On the downside, some clients note that resolving complex warranty claims or addressing minor product defects can require a few extra follow-up visits.
I was happy with the final product.
I love my new windows. They look great in my house that is over 100 years old and have cut down on drafts and noise. Steve did a wonderful job explaining the process, the window options, and making sure I was happy with the final product. Jesus and his crew did an amazing job installing the windows. They worked quickly and efficiently but provided a clean and quality installation.
Becky S., Google Review
impressive and reassuring
Wow – what a difference the windows make! Love them – big improvement over original windows that were failing and dated looking. From working with Mike on sales end to installers – super impressed! Was nervous about replacing 15 windows (whole house including sliding and basement) but we don’t regret at all going with Window World. Attention to detail by Mike and installers was impressive and reassuring. I know Mike gets lots of positive reviews for good reasons but want to emphasize on the installers Daniel and Hector too – they put the icing on the cake!
Gale Melton, Google Review
3. Champion Replacement Windows of Denver
Website: https://www.championwindow.com/Denver/
Address: 10035 E 40th Ave Suite 400
Contact: 303-800-2129
Hours: Monday – Thursday: 9:00 AM – 4:00 PM, Friday: 9:00 AM – 3:00 PM
Managing multiple contractors during a renovation is exhausting, which is why Champion Replacement Windows of Denver offers complete single-source accountability. They handle the design, manufacturing, and installation entirely in-house, ensuring you only ever deal with one company from start to finish.
I actually had them out for a quote on my own sunroom project, and their all-inclusive pricing model was refreshingly straightforward!
Their proprietary Comfort 365 glass technology is specifically engineered to reduce heat transfer, making it a fantastic upgrade for older properties. With a track record dating back to 1953, they bring a level of institutional knowledge that’s hard to find locally.
However, you should keep in mind that their regional pricing can vary, and they occasionally add travel fees depending on your exact location.
friendly and professional
From the scheduling of the appointment to get a quote on the window all the way through the final install, everyone I talked to and worked with were friendly and professional. The window is gorgeous. Absolutely love it.
Susan Peters, Google Review
Install was great.
So champion is great about communication. They let us know that our door was being manufactured and when it was done. This is not a company you choose if you’re in a hurry though. They gave a us a window of a few months ago and they got it done within the window but towards the later end of it for sure. Install was great. He cleaned up after and the door fits and looks great.
Greg R, Google Review
4. Window Doctor Of Colorado
Website: https://www.windowdoctorofcolorado.com/
Address: 191 University Blvd #159
Contact: 720-295-0DOC (0362)
Hours: Monday – Saturday: 24 hours
Nothing is more frustrating than paying for a home upgrade only to have it installed poorly, but Window Doctor Of Colorado explicitly focuses on doing the job right the first time. They have built a strong local reputation for fixing the installation mistakes made by other contractors.
By maintaining a low-overhead business model, this family-owned team provides premium-quality fixtures at surprisingly accessible price points.
With over thirty years of hands-on experience, they walk property owners through creative, tailored solutions rather than pushing a generic product.
The main drawback is their somewhat limited scope of service compared to larger remodeling firms. They strictly focus on full replacement projects and don’t handle minor single-pane glass repairs.
High quality windows at a reasonable price
Very happy with our new windows. Joe and his team came recommended from neighbors and we are happy to recommend them as well. High quality windows at a reasonable price. They replaced the original windows in our entire home in 2 days. The team was friendly and skilled. We are so glad we chose The Window Doctor!
Julie Damenti, Google Review
Window Doctor came through for us
We live in a mid-century ranch and have windows with aluminum frames. If you know, you know…they are hard, if not impossible, to repair. Luckily, the Window Doctor came through for us. We also had them replace the glass in a sliding patio door. Mike was great–very straightforward; and we thought the pricing was very reasonable.
Ruth williams, Google Review
5. Lifetime Home Remodeling Denver
Website: https://mylifetimehome.com/
Address: 9525 E 40th Ave Unit 160A, Denver, CO 80238
Contact: +13039344508
Hours: Monday – Friday: 8:00 AM – 8:30 PM, Saturday – Sunday: 9:00 AM – 6:00 PM
Lifetime Home Remodeling Denver offers exclusive Infinity from Marvin fiberglass windows. These high-end fiberglass frames can withstand severe weather because they’re significantly stronger and more resistant to warping than standard vinyl alternatives.
To back up this premium quality, they provide a double transferable lifetime warranty that even covers accidental glass breakage.
As a comprehensive exterior remodeling company, they’re a highly convenient option for homeowners looking to tackle siding, roofing, and windows all at once. Their expert team handles complex custom shapes and unique architectural needs with ease.
One thing to note, though: because they focus heavily on premium fiberglass materials and full-service installations, their quotes are noticeably higher than budget-focused competitors.
entire process went very smoothly
We had every window in our home replaced included 3 sliding doors on our patio. I’m very pleased with the quality of the products and the install. The entire process went very smoothly and while windows are crazy expensive, I found Lifetime was reasonable compared to competitors. 10/10 would recommend.
Benjamin Youngdahl, Google Review
Clean up was thorough
Lifetime is a first-rate, professional company that provides a great window product in the Infinity series. I had them do six windows. They did a complete job from measurement to permitting to installation. Clean up was thorough. They also follow up to make sure there were no problems, which there weren’t.
John Alfeld, Google Review
