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Best Window Replacement Companies in Leesburg, VA

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Written By Max Peterson | Last Updated: February 05, 2024

You might be installing new windows to improve your home's design, boost your energy efficiency, or protect your home from harsh weather conditions. A reputable window provider can help you get the most value from your replacement windows, so you can make them work for you.

Top Pick
  • Full-service installation
  • Large window selection
  • Nearly 30 years of experience
Best Financing
  • Full-service installation
  • In-house, U.S.-made products
  • More than 70 years of experience
Most Customizable
  • Full-service remodeling
  • 96% satisfaction rate
  • More than 30 years of experience

Top 10 Leesburg Window Installation Companies

We recommend working with one of these leading contractors for your window replacement in Leesburg.

The This Old House Reviews Team evaluated dozens of window providers in and around Leesburg. We used the following factors to determine the best window replacement services:

  • Customer reviews and recommendations
  • Services and warranties
  • Professional experience and licensure
  • Energy-efficiency guarantees
  • Product quality

Champion Restoration & Construction LLC Logo

Champion Restoration & Construction

Based on 27 customer reviews.

Services Offered

Commercial Windows Residential Windows Window Install & Replacement Full-Service Installations


  • Good customer service
  • Free assessment
  • Educational website
14102 Sullyfield Cir Suite #2200, Chantilly, VA 703-718-6777 championrandc.com
Window World of Washington DC Logo

Window World of Washington DC

Based on 418 customer reviews.

Services Offered

Storm Doors Sliding Glass Doors Window Install & Replacement Bay Windows Double-Hung


  • Timely service
  • Free assessment
  • Price transparency
4116 Walney Rd Suite J, Chantilly, VA 703-378-7999 windowworlddc.com
C2 Operations Logo

C2 Operations

Based on 195 customer reviews.

Services Offered

Residential Windows Window Install & Replacement


  • Price transparency
  • Good customer service
  • Free assessment
18 Sycolin Rd Se, Leesburg, VA 703-651-6677 c2operations.com
Window Expert Logo

Window Expert

Based on 18 customer reviews.

Services Offered

Window Install & Replacement Sliding Glass Doors Wood Frames Commercial Windows Window Repair Energy-Efficient Options Pella Storm Doors Custom Window Designs Fiberglass Frames Glass Doors Bay Windows


  • Price transparency
  • Good customer service
  • Free assessment
39901 Catoctin Ridge St, Paeonian Springs, VA 540-506-4555 paeonianspringswindowreplacement.com
Milcon Design & Build Logo

Milcon Design & Build

Based on 30 customer reviews.

Services Offered

Window Install & Replacement Window Repair


  • Free assessment
  • Educational website
  • Price transparency
40413 Stonebrook Hamlet Pl, Waterford, VA 703-581-2761 milcondesignandbuild.com
Tri-State Screens Logo

Tri-State Screens

Based on 120 customer reviews.

Services Offered

Storm Doors Window Install & Replacement


  • Timely service
  • Free assessment
  • Price transparency
104 N Bailey Ln, Purcellville, VA 540-751-1269 tristatescreens.com
Windows On Washington Ltd Logo

Windows On Washington Ltd

Based on 118 customer reviews.

Services Offered

Double-Hung Bay Windows Energy-Efficient Options Vinyl Frames Sliding Glass Doors Window Install & Replacement Okna


  • Educational website
  • Timely service
  • Price transparency
23465 Rock Haven Way #120, Sterling, VA 703-378-1190 windowsonwashington.net
Roofing & More, Inc. Logo

Roofing & More

Based on 342 customer reviews.

Services Offered

Aluminum Frames Window Repair Storm Doors Window Install & Replacement Commercial Windows


  • Educational website
  • Free assessment
  • Price transparency
609 Carlisle Dr, Herndon, VA 703-546-9146 roofingandmoreinc.com
M. Gen Contracting Logo

M. Gen Contracting

Based on 165 customer reviews.

Services Offered

Glass Showers Window Install & Replacement Residential Windows


  • Free assessment
  • Educational website
  • Price transparency
4230-C Lafayette Center Dr, Chantilly, VA 571-665-2880 mgeneralcontracting.com

More Local Window Companies

American Home Contractors

User Reviews: 5/5 

14155 Sullyfield Cir Suite A
Chantilly, VA 20151

Universal Windows Direct of Northern Virginia

User Reviews: 4.5/5 

4005 Westfax Dr Suite A
Chantilly, VA 20151

Beyond Exteriors

User Reviews: 4.5/5 

14524 Lee Rd
Chantilly, VA 20151

Window Replacement DC - Reston

User Reviews: 4.7/5 

1890 Preston White Dr #383
Reston, VA 20191

Reston Glass

User Reviews: 4.0/5 

133 Spring St
Herndon, VA 20170

Tnt Service Group Inc

User Reviews: 4.2/5 

3958 Dartmouth Ct A
Frederick, MD 21703

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

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Facts about Leesburg
Annual Energy Efficient Windows Savings: $353
Average Max Temp: 63°F
Average Min Temp: 46°F
Average Daily Sunlight: 54%
Average Annual Snowfall: 26.2"
Average Monthly Precipitation: 3.60"

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

How To Choose a Window Company in Leesburg

Reliability is essential when it comes to choosing a window provider. However, your chosen company should also align with your priorities and appreciate your vision. Think about the following factors during your company search:

Window Cost by Type

When it comes to replacing your windows, value is paramount. Each window you purchase should provide unparalleled durability at a reasonable price point. Although premium windows may cost more upfront, they often provide better long-term value due to their longer lifespan. The total cost of your window replacement will rely on the specific sizes, materials, and styles you need. Simple double-hung windows deliver great value with their straightforward style and simple mechanisms, while new skylights cost more to prepare for and install. If you're undecided, a window company can help you decide which options are most suitable for your home.

In this table, you can find cost data for the most common residential window types to determine how much you might pay.

Window Types Average Cost
Arched $235-$1446
Awning $341-$949
Bay $785-$5828
Custom $349-$971
Casement $272-$1575
Double-hung $126-$820
Egress $233-$582
Glass Block $46-$589
Picture $204-$1511
Single-hung $92-$1554
Skylight $116-$1403
Sliding $267-$1360
Storm $55-$384
Transom $284-$595

Window Material Cost

Materials also help determine a window's cost. You might pick a material based on your energy efficiency goals, the local climate, and your desired look. For example, wood windows can give your home an organic design without breaking the bank, but you'll have to invest more toward maintenance. Aluminum and composite windows cost more up-front, but they're incredibly durable against the elements, so you'll spend far less on maintenance.

Window Types Average Cost
Aluminum $55-$1554
Composite $561-$1260
Fiberglass $92-$785
Vinyl $189-$1748
Wood $280-$1575

Other Window Replacement Costs

Ask each installer you're evaluating about warranty fees, labor costs, and permit fees. This will help you get a better picture of the overall expenses involved in the project.

Experience and Training

The longer a window installer has been in business, the better its workmanship will likely be. Speak with a company representative to learn more about its experience, guarantees, and public and private credentials. Company websites often keep photo galleries where you can see previous work technicians have done.

Licensing and Credentials

In Virginia, a window installer needs a state license if they must pull permits for their work. Certain jurisdictions require building permits for window replacement, while others like Arlington, Prince William, and Fairfax Counties do not.

Types of Windows Offered

No two companies offer the same window types and materials. Look for one that's an expert in the type you want for your home.

  • Awning
  • Bay
  • Bow
  • Casement
  • Crank-out
  • Custom
  • Double- or single-hung
  • Egress
  • Garden
  • Jalousie
  • Picture
  • Sliding
  • Skylight
  • Specialty
  • Storm
  • Transom
  • Vent
Finally, pay close attention to the framing materials that a company uses. Each frame material has a different energy efficiency level, price point and life span. A company will usually specify whether the windows they set up use metal, fiberglass, wood, composite, or vinyl.

Customer Feedback

Reading other customers' stories is an excellent way to screen different window companies. Trustworthy sources for customer reviews include the BBB, Yelp, and Trustpilot Speak with people you know who have used a company you're interested in, and ask a representative for a copy of its reference list.

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Frequently Asked Questions About Window Replacement in Leesburg

Why should I hire a professional to install or replace my windows?

Window replacement is a significant expense that greatly impacts your home's livability and energy efficiency. Hiring a professional window company to manage your project ensures your windows will fit correctly, perform efficiently, and be properly insulated. Companies also typically include a warranty that addresses required maintenance and most needed fixes.

Are there tax incentives for installing energy-efficient windows?

Ultimately, the tax incentives you can claim are determined by the scope of your window replacement and the community you live in. You can claim up to 30% of the value of new efficient windows as a federal tax credit, up to $3,200 per year, until 2032. We also encourage you to contact your local building department for more information on tax breaks specific to your area.

I broke my window's glass. Could I replace just the glass?

If you shattered your window's glass, you might not need to replace the whole thing. Usually, you can simply swap out the broken glass pane without having to remove the entire window frame. However, it's best to consult a professional to determine the right solution for your specific situation.

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

More Window Resources

National Windows Company Ranking Methodology


Energy Star