20 Best Window Companies in Warrenton, VA (2025 Reviews)
If you’re looking to get new windows, our guide to the top window installation companies can help.
We analyzed all the top-rated window companies in Warrenton and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
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Why you can trust EcoWatch
A review of the best window installation companies in Warrenton may not seem like the most captivating article on the EcoWatch site, but trust us, windows have more of an impact on your life than you might think. The Department of Energy estimates that heat or cool air lost through old or damaged windows could be responsible for nearly 30% of residential energy climate usage. In Warrenton, where the electricity bills are an average of $48 per month, that’s almost $$173 per year wasted.
Replacement windows improve the insulation in your home, not only making you more comfortable during extreme temperatures, but also saving you money and helping the environment.
Efficient windows are particularly important in Warrenton, where the temperature varies throughout the year. According to Energy Star, switching to energy-efficient windows can save the average homeowner up to $356 per year.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
Best Window Installation & Replacement Companies in Warrenton
The EcoWatch Reviews team evaluated several window providers across Warrenton to narrow our list down to the best ones. We assessed the providers on their energy-efficient offerings, coverage area, price, local experience, customer service and more.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
More expensive than competition
Renewal by Andersen offers the best availability in Warrenton. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This company has been operating since 1995 and currently services nearly every state except Mississippi and West Virginia. Many positive reviews from customers online back the provider's reputation.
It uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsRenewal by Andersen caters to eco-conscious consumers by providing energy-efficient window offerings. 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 Warrenton?Andersen does not detail 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. If you’d like more accurate information, you can inquire about a quote on the company’s website.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World offers windows expertise in Warrenton. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This company has been operating since 1995 and currently services 200 locations nationwide. Many positive reviews from customers online back the provider's reputation.
It 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 WindowsWindow World caters to eco-conscious consumers by providing energy-efficient window offerings. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in Warrenton?Window World does not detail prices on its website, but it's known for offering some of the most affordable window installations around. If you’d like more accurate information, you can inquire about a quote on the company’s website.

Window Nation
Award-winning company
Manufactures products in-house
Custom designs
Wide variety of products and services
Installation not covered by warranty
Limited service area
Window Nation offers the best residential windows in Warrenton. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This company has been operating since 2006 and currently services residents within 75 miles of its showrooms, which are in 13 states. Many positive reviews from customers online back the provider's reputation.
It gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsWindow Nation caters to eco-conscious consumers by providing energy-efficient window offerings. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Warrenton?Window Nation does not detail prices on its website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. If you’d like more accurate information, you can inquire about a quote on the company’s website.

Aeroseal Windows
Many years of experience
Great industry reputation
Low number of customer complaints
Manufactures products in-house
Custom Designs
No lifetime warranty
Not ideal for residential installations
Aeroseal Windows offers the best window installation for businesses in Warrenton. It's an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. This company has been operating since 1999 and currently services 13 states and Washington D.C. Many positive reviews from customers online back the provider's reputation.
It installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows caters to eco-conscious consumers by providing energy-efficient window offerings. The company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more.
How much does Aeroseal Windows cost in Warrenton?Aeroseal does not detail prices on its website, but it provides high-quality windows at a competitive price point. If you’d like more accurate information, you can inquire about a quote on the company’s website.
We’ve recommended companies with good reputations, but bear in mind that these are national companies, so your service may vary depending on your local crew. We have tried to stay unbiased and transparent by mentioning pros and cons for each company we reviewed.
More Window Companies in Warrenton
Renewal by Andersen of the Capital Region
North Bethesda, MD
Educational Website
Price Transparency
Free assessment
Good Customer Service
Services Offered
Double-Hung
Bay Windows
Glass Doors
Window Replacement/Installation
Skylights
Window Nation
Lorton, VA
Educational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Bay Windows
Double-Hung
Custom Window Designs
Energy-Efficient Options
Window Replacement/Installation
Glass Doors
Vinyl Frames
Home Exteriors LLC.
Manassas, VA
Educational Website
Good Customer Service
Timely Service
Free assessment
Price Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Bright Side Exteriors
Centreville, VA
Free assessment
Services Offered
Window Replacement/Installation
Window Repair
Glass Doors
Potomac Windows & Doors
Fredericksburg, VA
Price Transparency
Services Offered
Window Replacement/Installation
Advanced Window & Glass Repair, LLC
Woodbridge, VA
Timely Service
Educational Website
Free assessment
Price Transparency
Good Customer Service
Services Offered
Vinyl Frames
Window Replacement/Installation
Custom Glass
Window Repair
Mirrors
Tempered Glass
Glass Repair
Fiberglass Frames
Glass Doors
Energy-Efficient Options
Bay Windows
Double-Hung
Glass Showers
C2 Operations
Leesburg, VA
Free assessment
Educational Website
Price Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Double-Hung
Tri County Windows and Siding
Vienna, VA
Good Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Custom Window Designs
Skylights
Glass Doors
Window Replacement/Installation
Bay Windows
Double-Hung
Milcon Design & Build
Waterford, VA
Free assessment
Price Transparency
Educational Website
Services Offered
Glass Doors
Window Replacement/Installation
DISTRICT CAPITOL GLASS LLC
Alexandria, VA
Educational Website
Price Transparency
Free assessment
Good Customer Service
Services Offered
Glass Repair
Glass Showers
Glass Doors
Window Repair
Window Replacement/Installation
Screen Repair
Mirrors
Old Town Glass & Window Repair
Alexandria, VA
Large online project gallery
Third-generation glassier
Affordable prices
Price Transparency
Free assessment
Good Customer Service
Services Offered
Glass Showers
Glass Repair
Custom Glass
Glass Doors
Window Replacement/Installation
Mirrors
Anderson Glass Contractors - Frameless Shower Door, Glass Door in Alexandria VA
Marlow Heights, MD
Price Transparency
Free in-person consultation
Educational Website
Good Customer Service
Custom glass services
Free assessment
24-hour emergency availability
Services Offered
Glass Showers
Glass Doors
Glass Repair
Window Replacement/Installation
Custom Glass
Mirrors
KELEMER BROTHERS REPLACEMENT WINDOWS
Silver Spring, MD
Free assessment
Educational Website
Price Transparency
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Capitol Improvements - Roofing & Siding Contractor
Bowie, MD
Good Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Windows On Washington
Sterling, VA
Educational Website
Free assessment
Price Transparency
Timely Service
Services Offered
Bay Windows
Energy-Efficient Options
Vinyl Frames
Double-Hung
Window Replacement/Installation
Potomac Glass Pro
Woodbridge, VA
Good Customer Service
Free assessment
Services Offered
Tempered Glass
Glass Showers
Mirrors
Glass Repair
Window Repair
Custom Glass
Window Replacement/Installation
Skylights
Glass Doors
Double-Hung
Energy-Efficient Options
Tri-State Screens
Purcellville, VA
Good Customer Service
Price Transparency
Free assessment
Educational Website
Timely Service
Services Offered
Glass Doors
Window Replacement/Installation
Pella Windows & Doors of Tysons Corner
Vienna, VA
Price Transparency
Educational Website
Good Customer Service
Free assessment
Services Offered
Double-Hung
Vinyl Frames
Glass Doors
Window Replacement/Installation
Wood Frames
Modern Renovations
Winchester, VA
Good Customer Service
Price Transparency
Educational Website
Free assessment
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Metric Windows Shower Doors and Glass Repair
Alexandria, VA
Good Customer Service
Price Transparency
Free assessment
Educational Website
Timely Service
Services Offered
Glass Showers
Window Replacement/Installation
Tempered Glass
Metal Frames
Mirrors
Window Repair
Glass Repair
Glass Doors
Calculate how much you can expect to pay for window installation and replacement in Warrenton, VA 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 Warrenton Saves You Money
By upgrading to energy-efficient windows, you and your family can benefit in several ways, including:
- Protect your valuables from fading: When you upgrade to energy-efficient windows with low-emissivity coatings, your floors, carpets and furniture will be protected from fading because of their ability to filter out damaging UV rays.
- Protect your investment: If your home is on the older side, your windows are most likely outdated. Updating your windows can improve the insulation in your home and also help raise the value of your home if you decide to sell.
- Save on power bills: The Department of Energy estimates that heat gained or lost via windows accounts for around 25-30% of residential energy use. Upgrading to energy-efficient windows can help lower that number, which helps you save $356 a year on your bills.
- Decrease your carbon footprint: Decreasing how much energy you use also lowers your carbon emissions. You could reduce it by 376 pounds per year on average.
Estimated Cost of Window Replacement in Warrenton
Windows come in all shapes and sizes, so costs and services will vary tremendously. Here are the typical costs and the primary services that you can find from the average window installation company.
How Much Do New Windows Cost?
On average, homeowners in Warrenton can expect that most replacement window installations will range from $250 to $1,200, with the most common installations sitting at around $600. How much it will cost varies depending on several factors, such as the location of your home, size, material, number of windows, type and more.
It’s important to keep in mind that windows with higher efficiency may cost more upfront but can save you hundreds of dollars by lowering your energy bills. Investing in certified energy-efficient windows can save Warrenton homeowners $356+ a year when replacing single-pane windows.
We recommend requesting free quotes from multiple window installation companies to find the one that works best for your budget.
What Services do Window Installers Offer?
There are typically two types of window installation services: full-frame and pocket installations.
Full-frame installations entail replacing the full window, including the sill, frame and trim. Full-frame installations are necessary when you want a new style or your window has noticeable rot or deterioration. These installations are more involved and will increase the overall cost. Pocket installations are simpler and won’t carry as large a bill, as they entail merely replacing the window within its existing frame. But if the frame has any damage or rot, you may have to get a full-frame installation instead.
Your window installer should be able to help you decide which type of installation you should get.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best for Residential Windows
Window Nation
- Custom Designs
- Wide variety of products and services
- Manufactures products in-house
How We Choose the Best Window Installers in Warrenton
EcoWatch reviews are different from other reviews since we’re examining these companies through a sustainability lens. Along with energy efficiency, we reviewed window companies all across the state and ranked them based on the following methodology:
Service Area
This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve Warrenton so you can find the best window installation company near you.
Work Quality
When selecting new windows, the quality and range of services often plays just as important of a role in insulation and performance as the type of window you get. We do give window installers higher marks if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
Another self-explanatory yet very important review factor is customer feedback. If the majority of customers don’t have nice things to say about their experience with a certain window installation company, you won’t see it featured on EcoWatch.
Cost
This one is a give-and-take: similar to other services, cheap window installation companies are not going to provide the highest quality service. Still, we want to ensure we’re highlighting companies that provide a range of price and financing options so they’re accessible to most homeowners.
Warranty
As discussed, windows are a substantial investment, so you’ll want to be certain that investment is protected. Window installation companies with lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Lastly, we like to see companies that have a proven track record in the industry. Window installation companies that have more experience earn higher rankings by our standards. We like to see at least ten years of experience.
Warrenton, VA Window Replacement FAQs
How much does window installation cost?
The average cost to replace a window can range between $450 and $650. There are a variety of factors that affect the price, such as your property’s location, the number of windows, local labor costs, how energy-efficient the windows are, styles and sizes of windows and the materials used in designing the windows.
What kind of window is the most energy-efficient?
Generally, double-pane windows are more efficient than single-pane windows and windows that do not open will be more efficient than windows that do. If you want to be sure you’ll have the most energy-efficient windows, look for models that have the blue Energy Star certification — that means they’re certified energy-efficient by the U.S. Department of Energy.
When do I have to use a window installation company?
You should use a window installation professional whenever you need to replace your windows. Installing windows is a involved process that can take a lot of time, so it’s best handled by the professionals.
When is the best time of year to replace windows?
Even though you can install windows any time of year, warmer weather is generally better for installing replacement windows. In addition, the weather should be dry, since rain can make the installation more difficult.
Should I replace all my windows at once?
If your windows are greater than 20 years old, you most likely need to replace all of them. At that point, they are often less efficient, leakier and/or more damaged than new windows. Doing your windows all at once will involve less paperwork and less time.


