Window Installation Services and Window Replacement - St. Charles, MO

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Expert Installation

Our team has the expertise to install vinyl, fiberglass, wood and composite windows for an entire house or a few replacements.

Lifetime Warranties

Every window comes with a lifetime warranty, so you can trust your replacements and installations to last. If glass breaks on one of the windows we install, we'll fix it at no cost.

Added Functionality

With modern security features and improved energy efficiency, new windows do more than improve your home's exterior.

Coldstream Exteriors is a trusted provider of window installations in Missouri. Whether you're searching for a new look or your current windows are worn, we can handle installations and replacements with fast turnaround times. We've been in this business for over 25 years, and we've served more than 5,000 customers to date.

While our experience speaks to our abilities, we also have an A+ rating from the Better Business Bureau (BBB) to show just how reliable our services are. When you're ready for window installation services in Missouri, contact Coldstream Exteriors.

Energy Star logo

Energy Star Certified

Are your old windows drafty? Has your energy bill increased in the past several months? At Coldstream Exteriors, we carry ENERGY STAR Certified windows to solve this problem. Our team will install and seal these windows properly during installation to keep the outdoor temperatures out. ENERGY STAR Certified windows can improve your home's energy efficiency for chilly winters and humid summers.

Why Missouri Homeowners Turn to Coldstream Exteriors

  • A single point of contact with a dedicated project manager
  • No money due until the project is complete
  • Fully insured
  • Free estimates and inspections for all projects
  • Super Service Award from Angie's List for multiple years
  • Top Rated Pro by HomeAdvisor
  • 25+ years of experience
  • More than 10,000 residential projects completed

Choose Us for Window Installations

The Coldstream Exteriors team will handle your window installation project from start to finish. We help you identify the best window products for your style and budget. Your dedicated project manager will provide status updates to keep you involved as your project progresses. We have all the tools and expertise to complete the job correctly and efficiently, and we always leave your property cleaner than when we arrived. We are the preferred window installers in the St. Charles area.

A Dedicated Window Replacement Company

Our experts can replace a few windows or oversee replacing all of your home's windows. Regardless of project scale, we pay close attention to every detail. Our fast turnaround times allow you to enjoy the result of your replacement windows as soon as possible. If you're unsure about color, style or material, your project manager can work with you to find the ideal window solution for your home.

Lasting Materials for Long-Term Durability

We only work with high-quality materials and premium products for our window replacements and installations. These materials provide an attractive look with long-term wear. Coldstream Exteriors can also customize windows to fit your preferences and meet your home improvement goals. Our materials include wood, vinyl, fiberglass and composite, and we provide custom glass types, like stained and privacy styles.

Request a Free Estimate for Windows in St. Charles MO, Today

Coldstream Exteriors serves all property owners and clients with honesty, integrity and a commitment to quality service. Contact us online today or call us at (314) 380-8111 to request a free estimate for your window installations in St. Charles.

Coldstream Exteriors
Coldstream Exteriors
4.9
Based on 89 reviews
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Chris KoenemanChris Koeneman
21:49 06 Jan 23
I cannot say enough good things about my experience with having a new roof installed by Coldstream Exteriors. My sales rep/project manager, Ricky, was absolutely outstanding. He was exceedingly honest, upfront, and responsive in all of our dealings with him.His team did an excellent job installing the roof, and we have been very happy with both the look of it, quality, and workmanship. I was extremely impressed that Ricky also came over after the job was completed to make sure that the roof was up to Coldstream's standards. He also personally went around the perimeter of the house double-checking to make sure that the nails from the old roof were picked up. I really appreciated that level of care and the fact that Ricky was there from the beginning to the end. He did all of the little things even when they were something that would take more time for him but not make him any additional money. As a former sales person myself, I really appreciated that. I feel like most sales people would be there for you for the sale and as soon as you sign the contract, you would not hear from them again. That is certainly not the case with Ricky or Coldstream.Overall, I could not be more pleased with Coldstream and will definitely be recommending them to all my friends and family (and have already referred my parents). Thanks again, Coldstream.
Karen WattsKaren Watts
15:08 10 Dec 22
Brandon Van Buren was the project manager and awesome! He assisted me in making the shingle selection and was very patient. The crew did an excellent job!
Bob BatesBob Bates
14:20 09 Nov 22
Great experience with Coldstream Exteriors. Amanda, Operations Manager, Brian McDonough, Project Manager and roof installation crew were all professional, courteous and polite. Installation only took 2 days and the crew were always on time and work hard the whole time. After installation they cleaned up thoroughly for debris and nails in my yard and neighbors. Overall we are extremely happy with the results and look of our new roof. Will definitely recommend Coldstream Exteriors to others.
Robert FryRobert Fry
01:45 27 Jul 22
It was clear to me from the initial meeting, at the bid solicitation with their sales representative (Brandon) that I was dealing with a professional organization. The proposal was explained thoroughly, precisely and with such detail that I thought this place really knows their business.I was so thoroughly convinced that I signed at the first meeting.We were not disappointed: They followed through with every item on the proposal. The workers replacing the roof were unbelievably hard working, careful to protect the plants below, and never seemed to let up even in the extreme summer heat.We could not be more pleased with Coldstream Exteriors. They do quality work, communicate throughout from beginning to end, and clean up debris thoroughly. We could not be happier, nor chosen better for our new roof.An additional bonus that I was not aware of until their sales representative told me about it……the roof we chose is eligible for a 15% discount on our homeowners insurance. We already have the check from the insurance company.Most importantly our new roof is beautiful, so much nicer than its replacement.We couldn’t be happier with Coldstream Exteriors…..so glad we chose them for the job.
Bryce CahillBryce Cahill
17:06 23 Nov 21
What an amazing job!The wonderful folks of Coldstream did an amazing job on my flat room. My roof was very old an in need of a lot of repair. Brian was extremely helpful in coming out, and taking great estimates of what it would take to protect my house. Flat roofs are not as common these days so Brian even had his top notch roofer come out and give his opinion as well. I had the whole roof replaced at a great price! The roof looks amazing. Brian’s communication throughout the entire deal was awesome. And they did everything in a very fast manor, it only took them a few days. All before winter just as requested. The crew was very nice, and even cleaned off my back patio of all the leaves that were there. 10/10 would use Coldstream Exterior again.
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