The Best Window Installers in Leesburg, VA

Compare the highest-rated windows professionals in Leesburg, Virginia. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Thompson Creek Window Company

4.8
(1 reviews)
Verified

A leading regional provider known for high-quality, energy-efficient window replacements and professional installation. They offer a strong warranty and focus on a streamlined customer experience from consultation to completion.

8218 Crouch Street, Lorton, VA 22079

Specialties & Features

Energy-efficient window replacement
Custom window solutions
Full-frame installation

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Window Nation

4.7
(800 reviews)
Verified

A highly-rated national company with a strong local presence, offering a wide variety of window styles and brands. They are recognized for their customer service and financing options, catering to both replacement and new construction needs.

43330 Yukon Drive, Ashburn, VA 20147

Specialties & Features

Residential window replacement
Custom window solutions
Storm and security windows

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

The Window & Door Center of Northern Virginia

4.6
(150 reviews)
Verified

A local, family-owned business specializing in premium and custom window and door solutions. They are known for their personalized service, expertise in high-end projects, and strong relationships with top manufacturers like Marvin and Andersen.

44710 Cape Court #130, Ashburn, VA 20147

Specialties & Features

Custom window solutions
High-end residential replacement
Window repair services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Leesburg

The windows market in Leesburg, Virginia, is robust and competitive, characterized by a high demand for quality and energy efficiency. The city's mix of historic homes and new, upscale developments creates a need for both specialized custom solutions and standard, high-performance replacements. The average quality of service is high, with several nationally recognized and well-established local contractors vying for business. Competition is strong, which generally benefits consumers through competitive pricing and a focus on customer service. Typical pricing for a full home window replacement can range significantly from $7,500 to $25,000+, heavily dependent on the window brand, quality (especially energy efficiency ratings), the complexity of the installation, and the number of windows. The market strongly favors providers who offer strong warranties, professional certifications, and products with low U-factor and Solar Heat Gain Coefficient (SHGC) ratings to handle Virginia's variable climate.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Leesburg regulations and climate

Frequently Asked Questions About Windows in Leesburg

Get answers to common questions about windows services in Leesburg, Virginia.

1What is the typical cost range for a full home window replacement in Leesburg, and what factors influence the price?

In Leesburg, a full home window replacement typically ranges from $15,000 to $30,000+, depending on the home's size and window count. Key cost factors include the choice of material (vinyl, fiberglass, or wood), energy efficiency ratings crucial for our humid summers and cold winters, and the complexity of installation in older Leesburg homes which may have historic or non-standard frames. Labor costs also reflect the local market and the contractor's expertise.

2Are there specific local permits or regulations in Leesburg, VA, I need to be aware of for window installation?

Yes, local regulations are important. If your home is within the Leesburg Historic District, you will likely need a Certificate of Appropriateness from the town's Department of Planning & Zoning before altering exterior windows. For all other homes in Loudoun County, a building permit is generally not required for like-for-like window replacements, but it's always best to verify with your installer, as structural changes or new openings do require permits. A reputable local installer will handle this process for you.

3What is the best time of year to schedule window installation in Leesburg's climate?

While installation can be done year-round, the ideal windows are spring and fall, specifically April-May and September-October. These periods offer mild temperatures and lower humidity, which is better for the installation materials (like sealants and caulks) to cure properly. Avoiding the peak of summer heat and winter cold also makes the process more comfortable for your household and the crew, and helps maintain your home's indoor climate during the work.

4How do I choose a reliable window installation contractor in the Leesburg area?

Start by verifying the contractor is licensed, insured, and has a strong physical presence in Northern Virginia. Look for companies with extensive experience in Leesburg's diverse housing stock, from new developments to historic homes. Check for positive reviews on local platforms and ask for references from recent projects in neighborhoods like Lansdowne or downtown. Always get multiple detailed, written estimates that include product specs, labor, cleanup, and warranty information.

5What energy efficiency features are most important for Leesburg's seasonal weather extremes?

Given Virginia's hot, humid summers and chilly winters, look for windows with a low U-factor (insulating ability) and a low Solar Heat Gain Coefficient (SHGC) to block summer heat. Double or triple-pane glass with Low-E coatings and argon gas fill are standard for high performance. Ensure the installation includes proper flashing and sealing to prevent air leakage, which is critical for managing humidity and reducing strain on your HVAC system year-round.