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10 Best Window Replacement Companies in Leesburg, VA

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Written By David Cusick

Last Updated April 2024

Whether you're making significant home repairs or are simply in need of a change, upgrading your windows is a great idea. Your windows play a crucial role in energy efficiency and home value. According to the Department of Energy, heat gained or lost through outdated windows could make up 25–30% of the heating and cooling use in your home. By installing energy-efficient windows, you could save an extra $353 on your electric bills annually in Leesburg. If you're looking for a window installation company, you've found the best place to get started. Keep reading to find the best window installation companies in Leesburg.

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Top 10 Best Window Replacement Companies in Leesburg

Renewal by Andersen of Capital Region - Sterling

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45449 E Severn Way #149, Sterling, VA 20166 (703) 204-4595 renewalbyandersen.com

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

Double-hung
Bay windows
Skylights
Window replacement/installation
Glass doors

Champion Replacement Windows of Baltimore

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23 Fontana Ln, Rosedale, MD 21237 (410) 202-8636 championwindow.com

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Price transparency

Good customer service

Services Offered

Double-hung
Window replacement/installation
Glass doors
Bay windows

Window World of Washington DC

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4116 Walney Rd Suite J, Chantilly, VA 20151 (703) 378-7999 windowworlddc.com

Timely service

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Bay windows
Glass doors
Double-hung
Vinyl frames
Window replacement/installation

R&H Glazing Inc

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511 E Market St, Leesburg, VA 20176 (571) 497-5853 leesburgwindowreplacement.com

Good customer service

Educational website

Timely service

Free assessment

Price transparency

Services Offered

Double-hung
Window replacement/installation
Custom window designs
Window repair
Bay windows
Energy-efficient options
Glass doors
Glass repair

Trusty Glass and Door

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44075 Pipeline Plaza, Ashburn, VA 20147 (571) 749-8115 trustyglassandoor.com

Timely service

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

Glass repair
Window replacement/installation
Glass doors
Glass showers
Custom glass
Window repair
Mirrors

Window Expert

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19500 Fisher Ave, Poolesville, MD 20837 (240) 698-3232 poolesvillewindowreplacement.com

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Good customer service

Price transparency

Educational website

Services Offered

Custom window designs
Window replacement/installation
Glass doors
Bay windows
Double-hung

C2 Operations

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18 Sycolin Rd SE, Leesburg, VA 20175 (703) 651-6677 c2operations.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Double-hung
Glass doors
Window replacement/installation

Tri-State Screens

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104 N Bailey Ln, Purcellville, VA 20132 (540) 751-1269 tristatescreens.com

Good customer service

Timely service

Price transparency

Educational website

Free assessment

Services Offered

Glass doors
Window replacement/installation

Windows On Washington

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23465 Rock Haven Way #120, Sterling, VA 20166 (703) 378-1190 windowsonwashington.net

Timely service

Free assessment

Educational website

Price transparency

Services Offered

Bay windows
Window replacement/installation
Vinyl frames
Double-hung
Energy-efficient options

Milcon Design & Build

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40413 Stonebrook Hamlet Pl, Waterford, VA 20197 (703) 581-2761 milcondesignandbuild.com

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Price transparency

Educational website

Services Offered

Glass doors
Window replacement/installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Leesburg?

The cost of window installation or replacement will be influenced by several factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Leesburg spend about $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Installing new energy-efficient windows can greatly improve your home's comfort, insulation, noise reduction, appearance, and value. Some clear indicators it's time for new windows include the following:

  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • High energy bills and a chilly house due to poor window insulation.
  • Outdated and inefficient window styles that reduce your house's curb appeal.
  • Windows that are difficult to open, close, and lock properly due to age and wear.

How To Choose a Window Company

For a successful window replacement, you need to hire an installation contractor with proven expertise. Below, we go over the most important qualifications for picking a window installer.

Experience

Look for highly-regarded local companies with a long track record of experience successfully installing all types of windows. These providers are more likely to understand Leesburg's climate and your requirements. Request references from recent clients to verify quality and experience.

Certifications

Look for installers that are backed by leading window manufacturers and certified by leading industry groups, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate accreditation indicates that a provider has received suitable training in quality installation methods. Ensure installers are employees, not subcontractors. Verify that any technicians assigned to your job have the right certifications.

Reputation

Read through online reviews, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to confirm that the contractor consistently provides quality work and good customer service. Avoid companies that have complaints of shoddy work or unfinished jobs.

Process

A quality window installer will be able to provide a detailed project plan, precise timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide unclear quotes or schedules. Ask for ongoing contact from the beginning to avoid surprises later on.

Warranties

Research window companies that offer assurances on their installations, and that offer warranties on materials and labor. This shows confidence in their work. Also look for unlimited lifetime warranties that can transfer to new homeowners.

Materials

Ensure that a company works with durable, energy-efficient window brands that work with your budget. Look for enhanced UV protection, good energy ratings, and design flexibility. Confirm the window materials come with their own manufacturer warranties as well.

Frequently Asked Questions About Window in Leesburg, VA

In Leesburg, the best time to install windows is when temperatures are mild, generally in the spring or fall. This enables professionals to do their work with less worry about extreme temperatures.

The right type of replacement windows for your Leesburg home depends on the year your home was built –the average house in Leesburg was built around 1996. For older homes, you may want to consider efficient windows such as double-pane windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's perfect for older homes. For newer homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

The types of window that typically last longest are ones constructed from vinyl or wood, with triple glaze for extra insulation. Vinyl windows are renowned for their durability and require little maintenance, while wood windows offer a more timeless look. Tripling up on the glazing will reduce energy costs in the long run.

The process for installing windows typically starts with measuring the old windows and ordering new ones. After that, a professional installer will prep the work area, take out the existing windows, and install the new ones. Once this is done, the installer will trim the gap and finish by caulking the window.

You should wipe off any debris or dirt buildup from the windows when they get dirty. Additionally, you should check your windows every month to make sure they're working correctly. It's also a good idea to have a professional inspect your windows annually for any potential damages or issues.

Window replacement companies in Leesburg typically offer a variety of services, such as window installation, fixing windows, window maintenance, cleaning, window tinting, and weatherproofing.

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