20 Best Window Companies in Leesburg, VA (2024 Reviews)

If you’re thinking of upgrading to new windows, our guide to the best window installation companies can help.

We analyzed all the top-rated window companies in Leesburg and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated January 24, 2025

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

Whether you're updating for style or have damaged windows, windows play an important role in conserving your home's electricity. Traditional, outdated windows could lead to spending more on electric bills during the winter or summer months.

That’s bad news for both your wallet and the environment, but one of the top window installation companies can help you with that.

So if you’re constructing a new home, renovating or changing out old windows in Leesburg, this guide is the best place to get started.

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Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Window Installation & Replacement Companies in Leesburg

The EcoWatch team researched dozens of companies that service the Leesburg area to find the top window installation companies by our standards. The companies reviewed in this article scored best in our categories, which include energy-efficient offerings, availability, customer service, price and more.

Window World logo
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World offers windows expertise in Leesburg. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This window installation company has been operating since 1995 and currently provides services to 200 locations nationwide. The provider has plenty of glowing 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 Windows

Its 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 offerings are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Window World cost in Leesburg?

Prices are not available on Window World’s website because the cost of window installment 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. If you’d like more accurate information, you can inquire about a quote on the company’s website.

Renewal by Andersen logo
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen offers the best availability in Leesburg. It's a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. This window installation company has been operating since 1995 and currently provides services to nearly every state except Mississippi and West Virginia. The provider has plenty of glowing 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 Windows

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. Not all of Andersen’s offerings are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Renewal by Andersen cost in Leesburg?

Prices are not available on Andersen’s website because the cost of window installment differs based on how many and what type(s) of windows you need. However, 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.

Aeroseal Windows logo
Best for Businesses

Aeroseal Windows

★★★★★
BBB Rating: A+
Locations: Regional
Founded: 1999
Pros:
  • Pros icon Many years of experience
  • Pros icon Great industry reputation
  • Pros icon Low number of customer complaints
  • Pros icon Manufactures products in-house
  • Pros icon Custom Designs
Cons:
  • Pros icon No lifetime warranty
  • Pros icon Not ideal for residential installations

Aeroseal Windows offers the best window installation for businesses in Leesburg. 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 window installation company has been operating since 1999 and currently provides services to 13 states and Washington D.C. The provider has plenty of glowing reviews from customers on online review websites.

It installs windows and doors at businesses across the Eastern U.S.

Energy Efficiency of Aeroseal Windows Windows

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. Not all of Aeroseal’s offerings are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Aeroseal Windows cost in Leesburg?

Prices are not available on Aeroseal’s website because the cost of window installment differs based on how many and what type(s) of windows you need. However, 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.

Window Nation logo
Best for Residential Windows

Window Nation

★★★★★
BBB Rating: A
Locations: Regional
Founded: 2006
Pros:
  • Pros icon Award-winning company
  • Pros icon Manufactures products in-house
  • Pros icon Custom designs
  • Pros icon Wide variety of products and services
Cons:
  • Pros icon Installation not covered by warranty
  • Pros icon Limited service area

Window Nation offers the best residential windows in Leesburg. It's a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. This window installation company has been operating since 2006 and currently provides services to residents within 75 miles of its showrooms, which are in 13 states. The provider has plenty of glowing 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 Windows

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. Not all of Window Nation’s offerings are Energy Star certified, so be sure to mention that you want Energy Star windows when inquiring.

How much does Window Nation cost in Leesburg?

Prices are not available on Window Nation’s website because the cost of window installment differs based on how many and what type(s) of windows you need. However, 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.

We’ve recommended companies with good reputations, but note that some national companies have independently owned locations in Leesburg, so your service may vary depending on your local crew. We have tried to be unbiased and transparent by including pros and cons for each company reviewed.

More Window Companies in Leesburg

Renewal by Andersen of the Capital Region

North Bethesda, MD
4.9
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: https://www.renewalbyandersen.com/window-company/085-capital-region/about-us
Address: 5081 Nicholson Ln, North Bethesda, MD 20852
Phone: (301) 816-3221

Champion Replacement Windows of Baltimore

Rosedale, MD
3.2
★★★★★
  • Pros icon Single-source accountability
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Products made in the USA
  • Pros icon Sunrooms

Services Offered

  • Service icon Double-Hung
  • Service icon Window Replacement/Installation
  • Service icon Bay Windows
  • Service icon Glass Doors

Website: https://www.championwindow.com/Baltimore/
Address: 23 Fontana Ln, Rosedale, MD 21237
Phone: (410) 202-8636

Window Nation

Glen Burnie, MD
4.7
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Triple Pane Glass
  • Service icon Window Replacement/Installation
  • Service icon Custom Window Designs
  • Service icon Bay Windows
  • Service icon Glass Doors
  • Service icon Wood Frames
  • Service icon Double-Hung
  • Service icon Vinyl Frames

Website: https://www.windownation.com/baltimore-showroom/
Address: 871 Cromwell Park Dr, Glen Burnie, MD 21061
Phone: (410) 766-8488

C2 Operations

Leesburg, VA
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Double-Hung

Website: https://c2operations.com/
Address: 18 Sycolin Rd SE, Leesburg, VA 20175
Phone: (703) 651-6677

Milcon Design & Build

Waterford, VA
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://milcondesignandbuild.com/
Address: 40413 Stonebrook Hamlet Pl, Waterford, VA 20197
Phone: (703) 581-2761

Bright Side Exteriors

Centreville, VA
5.0
★★★★★
  • Pros icon Free assessment

Services Offered

  • Service icon Window Repair
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors

Website: https://brightsidevirginia.com/
Address: 13953 Big Yankee Ln, Centreville, VA 20121
Phone: (703) 213-7461

Tri County Windows and Siding

Vienna, VA
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Bay Windows
  • Service icon Skylights
  • Service icon Custom Window Designs
  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung

Website: http://www.tricountywindowsva.com/
Address: 200 Lawyers Rd NW #1629, Vienna, VA 22183
Phone: (703) 472-6330

Home Exteriors LLC.

Manassas, VA
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation

Website: http://www.homexteriorsllc.com/
Address: 8702 Jackson Ave, Manassas, VA 20110
Phone: (703) 349-2213

KELEMER BROTHERS REPLACEMENT WINDOWS

Silver Spring, MD
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Free assessment
  • Pros icon Price Transparency

Services Offered

  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation

Website: http://www.kelemerbrothers.com/
Address: 10822 Childs Ct, Silver Spring, MD 20901
Phone: (410) 299-0038

DISTRICT CAPITOL GLASS LLC

Alexandria, VA
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Repair
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Mirrors
  • Service icon Glass Showers
  • Service icon Screen Repair
  • Service icon Window Repair

Website: https://districtcapitolglass.com/
Address: 205 Yoakum Pkwy #1119, Alexandria, VA 22304
Phone: (571) 344-4416

Old Town Glass & Window Repair

Alexandria, VA
5.0
★★★★★
  • Pros icon Affordable prices
  • Pros icon Good Customer Service
  • Pros icon Free assessment
  • Pros icon Large online project gallery
  • Pros icon Third-generation glassier
  • Pros icon Price Transparency

Services Offered

  • Service icon Custom Glass
  • Service icon Glass Repair
  • Service icon Glass Showers
  • Service icon Glass Doors
  • Service icon Mirrors
  • Service icon Window Replacement/Installation

Website: http://www.oldtownglassandmirror.com/
Address: 244 S Reynolds St, Alexandria, VA 22304
Phone: (703) 609-3508

Advanced Window & Glass Repair, LLC

Woodbridge, VA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon Timely Service
  • Pros icon Educational Website

Services Offered

  • Service icon Window Repair
  • Service icon Energy-Efficient Options
  • Service icon Custom Glass
  • Service icon Double-Hung
  • Service icon Tempered Glass
  • Service icon Glass Showers
  • Service icon Fiberglass Frames
  • Service icon Bay Windows
  • Service icon Vinyl Frames
  • Service icon Glass Repair
  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Mirrors

Website: http://advancedwindowglassrepair.com/
Address: 2159 Potomac Club Pkwy, Woodbridge, VA 22191
Phone: (571) 351-3692

Anderson Glass Contractors - Frameless Shower Door, Glass Door in Alexandria VA

Marlow Heights, MD
5.0
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Free in-person consultation
  • Pros icon Custom glass services
  • Pros icon 24-hour emergency availability
  • Pros icon Free assessment
  • Pros icon Price Transparency
  • Pros icon Educational Website

Services Offered

  • Service icon Mirrors
  • Service icon Glass Repair
  • Service icon Window Replacement/Installation
  • Service icon Glass Showers
  • Service icon Glass Doors
  • Service icon Custom Glass

Website: https://precisionglassexperts.com/
Address: 4570 Beech Rd, Marlow Heights, MD 20748
Phone: (703) 623-2223

Capitol Improvements - Roofing & Siding Contractor

Bowie, MD
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: https://improveitmd.com/
Address: 12606 Hillmeade Station Dr, Bowie, MD 20720
Phone: (301) 690-8187

Replacement Windows and Doors-Homerite Waynesboro

Waynesboro, PA
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Free assessment

Services Offered

  • Service icon Window Replacement/Installation
  • Service icon Glass Doors
  • Service icon Glass Repair
  • Service icon Energy-Efficient Options

Website: http://www.homeritewaynesboro.com/
Address: 700 S. Potomac St *SHOWROOM 12-4. CALL ANYTIME*, Waynesboro, PA 17268
Phone: (717) 749-4874

Potomac Windows & Doors

Fredericksburg, VA
5.0
★★★★★
  • Pros icon Price Transparency

Services Offered

  • Service icon Window Replacement/Installation

Website: http://www.potomacwindows.com/
Address: 15 Cascade Ln, Fredericksburg, VA 22406
Phone: (703) 963-6296

Garrety Glass - Betterliving Sunrooms

Cockeysville, MD
5.0
★★★★★
  • Pros icon Price Transparency
  • Pros icon Timely Service
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Mirrors
  • Service icon Custom Glass
  • Service icon Glass Doors
  • Service icon Bay Windows
  • Service icon Glass Showers
  • Service icon Window Replacement/Installation
  • Service icon Glass Repair

Website: https://garretyglass.com/
Address: 11309 York Rd, Cockeysville, MD 21030
Phone: (443) 873-0700

American Awnings and Replacement Windows

Chambersburg, PA
5.0
★★★★★
  • Pros icon Timely Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service
  • Pros icon Educational Website

Services Offered

  • Service icon Window Replacement/Installation

Website: https://www.american-awnings.com/
Address: 791 Fern Ln, Chambersburg, PA 17202
Phone: (717) 532-9098

American Remodel

Annapolis, MD
5.0
★★★★★
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Good Customer Service

Services Offered

  • Service icon Window Replacement/Installation

Website: https://american-remodel.com/
Address: 1125 West St Suite 518, Annapolis, MD 21401
Phone: (301) 591-6376

AC Matthews, Roofing & Exteriors

Towson, MD
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon High-quality materials
  • Pros icon Educational Website
  • Pros icon Price Transparency
  • Pros icon Good Customer Service
  • Pros icon All-inclusive repair and maintenance
  • Pros icon Energy-efficient windows

Services Offered

  • Service icon Window Replacement/Installation

Website: https://acmatthews.com/towson/
Address: 120 Beech View Ct, Towson, MD 21286
Phone: (410) 324-2210
Leesburg Window Cost Calculator

Calculate how much you can expect to pay for window installation and replacement in Leesburg, VA using our customized window cost calculator.

Estimated Window Cost:
161 homeowners have requested a free estimate in the last 3 days.

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 Leesburg Saves You Money

When you upgrade to energy-efficient windows, you may see a few benefits, including:

  • Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
  • Decrease your carbon footprint: Since energy-efficient windows improve the insulation in your house, you can cut your indirect greenhouse gas emissions by about 12%, according to Energy Star.
  • Save money on power bills: Once you switch to energy-efficient windows, you can see a reduction in your bills by about 12% because you’ll require less energy to heat or cool your home.
  • Protect your investment: If your home is on the older side, your windows are most likely in need of replacement. Updating your windows can improve the insulation in your home and also help increase the value of your home if you decide to sell.

Estimated Cost of Window Replacement in Leesburg

Windows come in different purposes, styles and shapes, so costs and services will vary tremendously based on your project. Below, we detail the average cost and services that you’ll find from window replacement companies.

How Much Do New Windows Cost?

According to our market research, the national average cost to replace a single window is around $600. However, window installation costs can range from $200 to $1,200 per window. These numbers vary depending on the specifics of your installation, such as number of windows, material, type, size, the location of your home and more.

With windows, efficiency is the most important factor for many homeowners. Windows with higher efficiency may cost more upfront, but by increasing the efficiency of your home — especially during the summer and winter — they can provide decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save Leesburg homeowners $353+ per year after replacing single-pane windows.

Costs will also vary depending on the material you pick for your window frames. Aluminum frames are the least expensive. They’re sturdy, light and easy to maintain, but offer poor insulation. Vinyl frames are somewhat expensive and offer good insulation. Composite frames made using wood fibers encased in plastic also provide good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They’re also aesthetically pleasing and offer decent insulation for your home.

What Services do Window Installers Offer?

There are generally two types of window installation services: full-frame and pocket installations.

Full-frame installations involve replacing the whole 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 involves replacing a window within the old frame. So, instead of taking out the whole window and reinstalling it, the window installer will just slide the replacement window (also called a retrofit or insert window) into the frame.

Your window replacement company will be able to help you decide what’s best for your needs. In Leesburg, the decision will mostly be based on the age of your windows and if there’s any damage. Wood can decay if not maintained properly over the years, so it’s a good idea to have a professional examine your frames and window sills.

Advertisement

Best Availability

Renewal by Andersen

★★★★★
4.5
  • Great Industry Reputation
  • Award-winning Company
  • Member of US Green Building Council
  • Manufactures products in-house
Save $375 Off Each Window
Get Estimate

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

How We Choose the Best Window Installers in Leesburg

In our search to make your home improvements easier and more eco-friendly in Leesburg, the EcoWatch Reviews team chose the above companies as the top window installation companies in the city. We’ve decided to evaluate the top window installation companies in Leesburg mostly based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy-efficient windows have been shown to lower power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:

Service Area

This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve a wide variety of states and cities so you can find the right window installation company near you.

Work Quality

When installing new windows, the quality and breadth of services can often play just as important of a role in insulation and performance as the brand of window you opt for. 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

We analyzed patterns in recent online reviews to find the companies with the most consistent customer satisfaction. Customer satisfaction may be the most important factor, as it reflects the quality of services across most other categories, including professionalism, cost, quality of installation, quality of parts, warranty and more.

Cost

Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing providers’ prices, we gave higher scores to companies with reasonable prices and accessible financing rather than “cheaper” services.

Warranty

As discussed, windows are a substantial investment, so you’ll want to make sure that investment is protected. Window installation companies that have lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.

Years of Experience

Because of Leesburg’s climate, homeowners will want to mitigate rot, low efficiency and water damage. We factored in local experience to reflect the ability of Leesburg window companies to prepare homes for the climate. If a company has less than 10 years of experience, it loses points in this category.

Leesburg, VA Window Replacement FAQs

What is the typical cost to install new windows in a home?

The average cost to install a window can range between $450 and $650. There are several factors that affect how much it costs, such as your property’s location, the number of windows, the materials used in designing the windows, local labor costs, styles and sizes of windows and how energy-efficient the windows are.

What are the most common types of replacement windows?

There are several different types of windows you can get for your house, including awning windows, transom windows, picture windows, slider windows, casement windows, bay windows and double-hung and single-hung windows.

When do I need to use a window installation company?

You should hire a window installation company whenever you need to replace your windows. Installing windows is a complex process that can be difficult to do on your own, so it’s best handled by the professionals.

How long does window installation typically take?

Each window takes around 30 minutes to install based on the type of window. However, the window installation can be a two-day job — or more — if you need to have a lot of windows installed.