20 Best Window Companies in Lorton, VA (2025 Reviews)
When it’s time to replace your windows, our reviews of the top window installation companies can help you find the provider for you.
We analyzed all the top-rated window companies in Lorton 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
Whether you're updating for aesthetics or have old windows, windows play a key role in conserving your home's energy. The Department of Energy estimates that heat gained or lost through traditional or outdated windows could represent about 30% of residential energy climate costs. In Lorton, where the power bills are an average of $48 per month, that’s almost $$173 per year wasted.
That’s also bad news for the environment, as the extra energy required by damaged windows increases your carbon footprint.
Unlike other review sites, EcoWatch ranks window companies on energy efficiency while also factoring in cost, customer satisfaction and service area.
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 Lorton
The EcoWatch team researched dozens of installers in Lorton to find the best window companies for our readers. The providers we’ve included in this article scored best in our categories: energy-efficient offerings, availability, customer service, price and more.

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 is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has about 27 years of experience in the industry, and it currently serves 200 locations nationwide. The provider has plenty of positive reviews from customers on online review websites.
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 Lorton?Window World does not outline prices on its website, but it's known for offering some of the most affordable window installations around. Getting a free quote on its website is the best way to get more accurate pricing information.

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 is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has about 27 years of experience in the industry, and it currently serves nearly every state except Mississippi and West Virginia. The provider has plenty of positive reviews from customers on online review websites.
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 Lorton?Andersen does not outline 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. Getting a free quote on its website is the best way to get more accurate pricing information.

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 is 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. Aeroseal has about 23 years of experience in the industry, and it currently serves 13 states and Washington D.C. The provider has plenty of positive reviews from customers on online review websites.
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 Lorton?Aeroseal does not outline prices on its website, but it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate pricing information.

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 is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has about 16 years of experience in the industry, and it currently serves residents within 75 miles of its showrooms, which are in 13 states. The provider has plenty of positive reviews from customers on online review websites.
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 Lorton?Window Nation does not outline 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. Getting a free quote on its website is the best way to get more accurate pricing information.
We aim to be unbiased and transparent by listing pros and cons for every company we review. Additionally, our rankings are not affected by any partnerships.
More Window Companies in Lorton
Renewal by Andersen of the Capital Region
North Bethesda, MDGood Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Glass Doors
Bay Windows
Double-Hung
Skylights
Champion Replacement Windows of Baltimore
Rosedale, MDGood Customer Service
Sunrooms
Price Transparency
Single-source accountability
Products made in the USA
Free assessment
Services Offered
Double-Hung
Glass Doors
Bay Windows
Window Replacement/Installation
Window Nation
Glen Burnie, MDPrice Transparency
Educational Website
Free assessment
Services Offered
Triple Pane Glass
Custom Window Designs
Double-Hung
Energy-Efficient Options
Wood Frames
Glass Doors
Vinyl Frames
Window Replacement/Installation
Bay Windows
Advanced Window & Glass Repair, LLC
Woodbridge, VAPrice Transparency
Timely Service
Educational Website
Good Customer Service
Free assessment
Services Offered
Window Repair
Double-Hung
Fiberglass Frames
Vinyl Frames
Window Replacement/Installation
Glass Repair
Glass Doors
Tempered Glass
Custom Glass
Energy-Efficient Options
Glass Showers
Bay Windows
Mirrors
DISTRICT CAPITOL GLASS LLC
Alexandria, VAFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Glass Repair
Mirrors
Window Repair
Window Replacement/Installation
Screen Repair
Glass Doors
Glass Showers
Old Town Glass & Window Repair
Alexandria, VAThird-generation glassier
Affordable prices
Price Transparency
Good Customer Service
Free assessment
Large online project gallery
Services Offered
Window Replacement/Installation
Mirrors
Glass Doors
Custom Glass
Glass Showers
Glass Repair
Tri County Windows and Siding
Vienna, VAFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Custom Window Designs
Bay Windows
Skylights
Window Replacement/Installation
Double-Hung
Glass Doors
Bright Side Exteriors
Centreville, VAFree assessment
Services Offered
Window Replacement/Installation
Window Repair
Glass Doors
Home Exteriors LLC.
Manassas, VAGood Customer Service
Timely Service
Free assessment
Price Transparency
Educational Website
Services Offered
Window Replacement/Installation
Glass Doors
Anderson Glass Contractors - Frameless Shower Door, Glass Door in Alexandria VA
Marlow Heights, MDPrice Transparency
Custom glass services
Educational Website
Good Customer Service
Free assessment
Free in-person consultation
24-hour emergency availability
Services Offered
Glass Repair
Glass Showers
Mirrors
Glass Doors
Custom Glass
Window Replacement/Installation
KELEMER BROTHERS REPLACEMENT WINDOWS
Silver Spring, MDFree assessment
Price Transparency
Educational Website
Services Offered
Window Replacement/Installation
Energy-Efficient Options
Potomac Windows & Doors
Fredericksburg, VAPrice Transparency
Services Offered
Window Replacement/Installation
Capitol Improvements - Roofing & Siding Contractor
Bowie, MDGood Customer Service
Educational Website
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
C2 Operations
Leesburg, VAEducational Website
Free assessment
Price Transparency
Services Offered
Glass Doors
Window Replacement/Installation
Double-Hung
Milcon Design & Build
Waterford, VAFree assessment
Educational Website
Price Transparency
Services Offered
Window Replacement/Installation
Glass Doors
American Remodel
Annapolis, MDFree assessment
Price Transparency
Educational Website
Good Customer Service
Services Offered
Window Replacement/Installation
AC Matthews, Roofing & Exteriors
Towson, MDHigh-quality materials
Energy-efficient windows
Price Transparency
Good Customer Service
Educational Website
All-inclusive repair and maintenance
Free assessment
Services Offered
Window Replacement/Installation
Obrebski Brothers Windows and Doors
Nottingham, MDFamily service
Lifetime guarantee
Good Customer Service
Free assessment
Financing options available
Educational Website
Services Offered
Energy-Efficient Options
Window Replacement/Installation
Glass Doors
Potomac Glass Pro
Woodbridge, VAFree assessment
Good Customer Service
Services Offered
Mirrors
Window Repair
Double-Hung
Window Replacement/Installation
Skylights
Glass Showers
Glass Repair
Glass Doors
Custom Glass
Tempered Glass
Energy-Efficient Options
Metric Windows Shower Doors and Glass Repair
Alexandria, VAGood Customer Service
Price Transparency
Timely Service
Educational Website
Free assessment
Services Offered
Metal Frames
Mirrors
Glass Showers
Glass Doors
Glass Repair
Tempered Glass
Window Replacement/Installation
Window Repair
Calculate how much you can expect to pay for window installation and replacement in Lorton, 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 Lorton Saves You Money
By upgrading to energy-efficient windows, you can enjoy several benefits, such as:
- Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which not only provide better insulation for your home, but also filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
- Save money on energy bills: According to the Department of Energy, heat gained or lost through windows accounts for about 25-30% of residential energy use. Installing energy-efficient models can help reduce how much energy is used in your home, therefore saving you about 12% more on your bills.
- Protect your investment: Upgrading and repairing your windows is an important part of maintaining your property and its value, especially if you have an older home.
- Decrease your carbon footprint: By using less energy after you upgrade to Energy Star certified windows, you’ll also be reducing your carbon dioxide emissions by about 12%, according to Energy Star.
Estimated Cost of Window Replacement in Lorton
Windows come in various purposes, styles and shapes, so costs and services will differ greatly based on several factors. Below, we go over the average cost and services that you’ll find from window replacement companies.
How Much Do New Windows Cost?
On average, Lorton homeowners can anticipate their window installations to range from $250 to $1,200. The average cost is at about $600. This is because of the fact that the cost of window installations depend on several factors specific to your home, such as the size, material and number of windows you need to replace, as well as where your property is located.
It’s important to remember that windows with the best efficiency may cost more initially but can save you hundreds of dollars by lowering your energy bills. Investing in Energy Star certified windows can save Lorton homeowners $359+ a year when replacing single-pane windows.
Another factor that affects the overall cost is the material of the frame you select. Aluminum frames are typically the least pricey and are sturdy and relatively maintenance-free, but they offer poor insulation. On the other hand, wood frames are the most expensive, as they are aesthetically pleasing and provide decent insulation. Fiberglass and vinyl frames provide good insulation and cost somewhere between the other two.
What Services do Window Installers Offer?
Generally, there are two types of window installation services companies offer: full-frame and pocket installations.
Full-frame installations are usually recommended when you want to change the style of your windows or your window has a lot of rot. With this service, your installers will replace the total window, including the frame, sill and trim. Pocket installations are simpler and won’t carry as large a bill because they involve simply replacing the window within its existing frame. But if the frame has any damage or deterioration, you should opt for a full-frame installation instead.
If you’re unsure which type of window installation service you need, your installer should be able to help you out. In general, the decision depends on factors like the age and condition of the home, the type of building material, budget and time restrictions.
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 Lorton
In our hunt to find the most reliable, eco-friendly window installers in Lorton, the EcoWatch team evaluated dozens of companies before landing on these. We have assessed the best window installation companies in Lorton mostly based on energy efficiency, as it’s the most sustainable option and the best one for homeowners. Energy-efficient windows have been shown to lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology considers the following factors:
Service Area
This one is self-explanatory, but we’ve chosen to highlight window installers that serve a wide variety of states and cities so you can find the best window installation company near you.
Work Quality
When installing new windows, the quality and variety of services often plays just as important of a role in insulation and performance as the brand of window you choose. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.
Customer Reviews
Customer feedback is another super important review factor. If most customers don’t have positive things to say about their service from a certain window installation company, you won’t see it featured on EcoWatch.
Cost
Cheaper windows certainly don’t mean better windows, but we know many of our readers want to keep costs as low as possible. When analyzing the prices of providers, we awarded higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies with lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Due to Lorton’s climate, homeowners will want to mitigate water damage, low efficiency and rot. We factored in local experience to reflect the ability of Lorton window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.
Lorton, VA Window Replacement FAQs
What is the typical cost to install new windows?
The national average cost to replace one window is around $600 but can range between $200 and $1,200, based on a variety of factors. The price is often dependent on the size of the window, the type and material of the window and the location of your property. Also, remember that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.
Which type of window should I get?
A window’s energy efficiency is influenced by a variety 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.
When do I need to use a window installation company?
Unless you’re handy and have all the tools you need to replace your own windows, we recommend hiring the pros. The window installation process is quite involved and can take anywhere from four to six hours for one window. Although it’s tempting to try to do it yourself to save money, hiring a professional is a faster, more efficient and safer alternative.
What time of year is the best time to replace my windows?
Although you can install windows any time of year, warmer weather is usually better for installing replacement windows. Additionally, it shouldn’t be raining, because rain can make the installation harder.