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Best Window Replacement Companies in Ashburn, VA

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  3. Window Replacement
  4. VA
  5. Ashburn
Written By Max Peterson | Last Updated: February 05, 2024

Replacement windows can defend your home from water damage, increase its energy efficiency, and provide it with additional aesthetic appeal. A reputable window provider can help you make the most of your replacement windows, so you can increase their lifespan.

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 Ashburn Window Installation Companies

We recommend working with one of these leading professionals for your window replacement in Ashburn.

The This Old House Reviews Team evaluated scores of window providers in and around Ashburn. We looked at the following factors to identify the best window replacement providers:

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

Champion Replacement Windows of Baltimore Logo

Champion Replacement Windows of Baltimore

Based on 44 customer reviews.

Services Offered

Window Replacement/installation Double-Hung Bay Windows Glass Doors


  • Free assessment
  • Good customer service
  • Price transparency
23 Fontana Ln, Rosedale, MD 410-202-8636 championwindow.com
Window World of Washington DC Logo

Window World of Washington DC

Based on 436 customer reviews.

Services Offered

Double-Hung Vinyl Frames Glass Doors Window Replacement/installation Bay Windows


  • Educational website
  • Good customer service
  • Timely service
4116 Walney Rd Suite J, Chantilly, VA 703-378-7999 windowworlddc.com
C2 Operations Logo

C2 Operations

Based on 231 customer reviews.

Services Offered

Double-Hung Glass Doors Window Replacement/installation


  • Good customer service
  • Price transparency
  • Educational website
18 Sycolin Rd Se, Leesburg, VA 703-651-6677 c2operations.com
Windows On Washington Logo

Windows On Washington

Based on 136 customer reviews.

Services Offered

Double-Hung Window Replacement/installation Energy-Efficient Options Vinyl Frames Bay Windows


  • Free assessment
  • Timely service
  • Price transparency
23465 Rock Haven Way #120, Sterling, VA 703-378-1190 windowsonwashington.net
Universal Windows Direct of Northern Virginia Logo

Universal Windows Direct of Northern Virginia

Based on 38 customer reviews.

Services Offered

Window Replacement/installation Glass Doors Energy-Efficient Options


  • Price transparency
  • Free assessment
  • Good customer service
4005 Westfax Dr Suite A, Chantilly, VA 703-705-4399 universalwindowsdirect.com
Beyond Exteriors Logo

Beyond Exteriors

Based on 53 customer reviews.

Services Offered

Energy-Efficient Options Window Replacement/installation


  • Free assessment
  • Good customer service
  • Timely service
14524 Lee Rd, Chantilly, VA 703-997-9175 beyondexteriors.com
Window Replacement DC - Reston Logo

Window Replacement DC - Reston

Based on 32 customer reviews.

Services Offered

Storm/impact Windows Glass Showers Vinyl Frames Custom Window Designs Window Repair Energy-Efficient Options Wood Frames Double-Hung Window Replacement/installation Glass Doors Bay Windows Fiberglass Frames Mirrors Skylights Glass Repair


  • Good customer service
  • Price transparency
  • Free assessment
1890 Preston White Dr #383, Reston, VA 702-703-3190 window-replacement-dc.com
Liberty Home Remodeling Logo

Liberty Home Remodeling

Based on 145 customer reviews.

Services Offered

Window Replacement/installation


  • Price transparency
  • Free assessment
  • Educational website
14100 Sullyfield Cir Suite 500, Chantilly, VA 703-481-8500 libertyhomeremodeling.com
Glass Doctor of Sterling Logo

Glass Doctor of Sterling

Based on 15 customer reviews.

Services Offered

Glass Showers Window Replacement/installation Window Repair Mirrors Custom Glass Energy-Efficient Options Glass Repair


  • Good customer service
  • Price transparency
  • Educational website
201 Davis Dr Ste Q1, Sterling, VA 571-246-9000 glassdoctor.com

More Local Window Companies

Reston Glass

User Reviews: 3.8/5 

133 Spring St
Herndon, VA 20170

Milcon Design & Build

User Reviews: 4.7/5 

40413 Stonebrook Hamlet Pl
Waterford, VA 20197

Tri-State Screens

User Reviews: 4.6/5 

104 N Bailey Ln
Purcellville, VA 20132

Bright Side Exteriors

User Reviews: 4.7/5 

13953 Big Yankee Ln
Centreville, VA 20121

Pella Windows & Doors of Gaithersburg

User Reviews: 5/5 

202 Perry Pkwy Suite 6
Gaithersburg, MD 20877

Tri County Windows and Siding

User Reviews: 4.7/5 

200 Lawyers Rd NW #1629
Vienna, VA 22183

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 Ashburn
Annual Energy Efficient Windows Savings: $353
Average Max Temp: 63°F
Average Min Temp: 46°F
Average Daily Sunlight: 54%
Average Annual Snowfall: 23.0"
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 Ashburn

An exceptional reputation is key when it comes to choosing a window company. However, your chosen company should also align with your priorities and respect 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 buy should provide unparalleled durability at a fair price point. Choosing budget windows could actually increase your overall cost, since they come with a reduced lifespan and more intensive maintenance needs. The total cost of your window replacement will rely on the particular styles, materials, and sizes you need. Single-hung windows often cost less due to their straightforward style and simple mechanisms, while new skylights cost more to prepare for and install. It's recommended to consult a reliable installer to decide on your most suitable options.

To help you form a rough estimate, this table shows the typical cost of the most common residential window types.

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 desired look, the local climate, and your energy efficiency goals. 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 company you're evaluating about labor costs, warranty fees, and permit fees. This will help you get a clear picture of the financial commitment involved in the project.

Experience and Training

Examine a company's website and chat with a representative to learn more about its product and service offerings, pricing, and warranties. Many companies also keep online galleries that present past projects.

Ensure that the company specializes in window replacement. The more specialized training its staff has, and the longer it has been active, the more likely it will deliver high-quality service.

Licensing and Credentials

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

Types of Windows Offered

There are many replacement window types you can choose from, and it's important to find a company that specializes in the ones you want. Search a company's website and reviews for any of these types:

  • 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 materials that an installer uses. Each frame material has a different life span, price point and energy efficiency level. A company will usually specify whether the windows they mount use wood, fiberglass, metal, vinyl, or composite.

Customer Feedback

Perhaps the best way to vet window companies for your job is to find out what previous customers have said about them. Read customer reviews on sites such as Yelp, Google, and Trustpilot. You can also view customer reviews and company ratings on the Better Business Bureau (BBB) website. 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 Ashburn

How much energy and money will I save by upgrading my windows?

In Ashburn specifically, most homeowners using efficient windows lower their carbon emissions by 380 pounds annually. That amounts to $350 of annual savings.

The U.S. Department of Energy states that 25%–30% of a home's heating and cooling capacity is used to compensate for heat gain and heat loss through windows. By installing new, more efficient windows, you can boost your home's energy efficiency and reduce your electricity bills.

Does window replacement involve pulling permits?

Whether you need a building permit to replace your windows varies on your local building codes and regulations. Some towns require permits for window replacement projects, especially those involving structural changes or alterations to the window openings. We recommend you check with your local building department or contact a professional before beginning any window replacement work.

What repair services do window companies offer?

Window companies can perform a variety of repair jobs, ranging from broken glass and screens to faulty seals and mechanisms.

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