8 Best Window Companies in Duncan, OK (2023 Reviews)
Are you looking to upgrade your windows? Our guide to the top window installation companies can help you narrow down which one to pick.
We analyzed all the top-rated window companies in Duncan and selected the best 8 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
A review of the best window installation companies in Duncan may not seem like the most riveting article on EcoWatch, but trust us, windows impact your life more than you might realize. Outdated windows can cost you in power bills. In fact, the Department of Energy estimates that about 30% of your house's heat or cool air could be lost through your windows.
Installing efficient windows on your house can help you save money each month on your electricity bills — and you can help the environment as well.
As windows have such a great impact on your home, choosing the right company for you is a big decision to make. That's why the EcoWatch team has curated this list of the top window replacement companies, so you can more easily make an informed decision.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in Duncan
The EcoWatch Reviews team researched dozens of installers across the country to find the top window companies for our readers. The providers we've mentioned in this article passed our review standards for energy-efficient offerings as well as price, local expertise, customer service and beyond.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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Great industry reputation
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Lifetime warranty
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Quality of service will depend on your area
Window World provides windows expertise in Duncan. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This provider has 27 years of experience in the window installation industry, and it has become one of the most reputable companies in Duncan.
It has established itself as a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsIts high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home. Not all of Window World’s windows are Energy Star certified, so be sure to mention that you’d like Energy Star windows when inquiring.
How much does Window World cost in Duncan?Prices are not available on Window World’s website, as the cost of window replacement differs based on how many and what type(s) of windows you need. However, it's known for offering some of the most affordable window installations around. You can request a free quote on its website for more information about pricing.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen provides the best availability in Duncan. Andersen has about 27 years of industry experience, and it currently provides services to nearly every state except Mississippi and West Virginia. The provider has hundreds of glowing reviews from customers on online review websites.
If you’re looking for a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started, Andersen may be the right provider for you.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen offers some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in Duncan?Andersen does not mention prices on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. You can ask for a free quote on its website for more information about the cost.
We've recommended installers with shining reputations, but bear in mind that some national companies have independently owned locations in Duncan, so your service may vary depending on your local crew. We have tried to remain unbiased and transparent by listing pros and cons for every company we reviewed.
More Window Companies in Duncan
Shane Burk Glass & Mirror
Duncan, OK-
Educational Website
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Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Commercial Windows
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Aluminum Window Frames
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Custom Window Designs
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Glass Showers
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Residential Windows
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Window Replacement
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Full-Service Installations
Glass Doctor of Lawton
Lawton, OK-
Educational Website
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Good Customer Service
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Price Transparency
Services Offered
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Residential Windows
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Double-Hung
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Glass Showers
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Window Replacement
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Custom Window Designs
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Window Repair
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Full-Service Installations
Shane Burk Glass & Mirror of Lawton
Lawton, OK-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Custom Window Designs
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Full-Service Installations
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Window Replacement
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Glass Showers
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Aluminum Window Frames
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Residential Windows
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Commercial Windows
Hall Services
Wichita Falls, TX-
Price Transparency
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Free assessment
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Good Customer Service
Services Offered
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Custom Window Designs
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Commercial Windows
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Window Replacement
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Residential Windows
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Fast Delivery
Woodco Building Products
Wichita Falls, TX-
Good Customer Service
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Price Transparency
Services Offered
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Commercial Windows
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Stained Glass
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Residential Windows
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Aluminum Window Frames
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Custom Window Designs
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Energy-Efficient Options
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Window Replacement
Accent Glass Services, LLC
Norman, OK-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Residential Windows
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Window Replacement
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Commercial Windows
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Glass Showers
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Fast Delivery
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Window Repair
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Custom Window Designs
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Sliding Glass
WinTek of Oklahoma & Texas - Local Window and Door Replacement Co.
Newcastle, OK-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Energy-Efficient Options
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Residential Windows
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Window Replacement
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Double-Hung
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Custom Window Designs
Streets Windows and Siding
Moore, OK-
Educational Website
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Price Transparency
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Free assessment
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Good Customer Service
Services Offered
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Fast Delivery
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Double-Hung
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Custom Window Designs
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Residential Windows
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Window Replacement
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Energy-Efficient Options
Calculate how much you can expect to pay for window installation and replacement in Duncan, OK using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in Duncan Saves You Money
There are quite a few benefits of switching to energy-efficient windows. Some reasons you may want to consider making the change are the following:
- Protect your investment: If your home is on the older side, your windows are most likely in need of replacement. Upgrading your windows can make your home more comfortable and also help increase the value of your house if you decide to sell.
- Better temperature control in your home: When you live in a city like Duncan where the winters can be chilly, you often have to depend on your heater to keep your house warm. Energy-efficient windows can lower how much heat is lost through your windows when heating your home.
- Protect your valuables from fading: When you switch to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will fade less due to their ability to filter out damaging UV rays.
- Save on energy bills: Upgrading to energy-efficient windows lowers your energy bills by about 12% because you use less energy.
Estimated Cost of Window Replacement in Duncan
Let's take a look at the cost of installing new windows and the kinds of services offered by installers.
How Much Do New Windows Cost?
According to our market research, the national average cost of installing a single window is about $600. However, window replacement costs can range from $200 to $1,200 a window. These estimates vary depending on the specifics of your installation, such as type, number of windows, size, the location of your home, material and more.
It's important to keep in mind that windows with the best efficiency may cost more initially but can save you hundreds of dollars via returns on your energy bills. Investing in certified energy-efficient windows can save Duncan homeowners $388+ a year when replacing single-pane windows.
Asking for free quotes from several companies is the best way to find out which one is right for you.
What Services do Window Installers Offer?
The first thing to ask yourself when considering a window replacement is: Should you get a full-frame installation or a pocket installation?
Full-frame installations involve replacing the entire window — the sill, frame, trim and all. These are typically done when you want to change the style of your window or when it has significant rot or deterioration. Full-frame installations are more comprehensive and will increase overall costs. A pocket installation means replacing a window without taking out the whole frame, which is usually cheaper than a full-frame installation.
Your window installation company can advise you on the best type for your project. In Duncan, the choice will mostly depend on the efficiency of your home and the condition of your existing frames.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in Duncan
EcoWatch is different from other reviewers because we assess these companies through a sustainability lens. We've assessed the best window installers in Duncan mainly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to lower energy bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
This one is self-explanatory, but we've chosen to highlight window installers that serve Duncan so you can find the best window installation company near you.
Work Quality
When picking new windows, the quality and range of services can often play just as important of a role in overall efficiency and performance as the brand of window you get. We do rate window installers higher if they offer high-quality products, but we also factor in workmanship as reflected in customer feedback.
Customer Reviews
We analyzed patterns in recent customer feedback to find the companies with the most consistent customer satisfaction, weighted by sample size. Customer satisfaction may be the factor we place the most value on, as it indicates the quality of services across most other categories, including warranty, cost, quality of installation, professionalism, quality of parts and more.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs low when possible. When analyzing the prices of providers, we awarded higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important. That's why window installation companies that offer lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Because of Duncan's climate, homeowners need to be wary of water damage, low efficiency and rot. We factored in local experience to reflect the ability of Duncan window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Duncan, OK Window Replacement FAQs
What is the average cost to install windows in a home?
The national average cost of installing one window is about $600 but can range between $200 and $1,200, depending on several factors. The price is typically dependent on the type and material of the window, the location of your property and the size of the window. Also, remember that energy-efficient windows may cost more upfront but can save you hundreds of dollars a year in energy bills.
Which type of window is the best?
A window's energy efficiency is affected by a number of factors, such as the quality of the installation and what kind of window it is. Look for Energy Star Certified windows — these are usually the most energy-efficient since they are certified by the U.S. Department of Energy.
Can I replace my own windows?
Although you can install your own windows, doing so is time-consuming and requires a lot of experience with home improvement projects. Using a window replacement company can help guarantee that the installation is done properly and that you can avoid spending the time and effort of doing it yourself.
Should I replace my windows all at the same time?
If your windows are greater than 20 years old, it's most likely time to replace all of them. At that point, they are often less efficient, draftier and/or more damaged than new windows. Doing your windows all at once will involve less paperwork and less stress.