The Best Window Installers in Herndon, VA

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

#1

Window Universe of Northern Virginia

4.8
(200 reviews)
Verified

A highly-rated, locally-focused provider known for a seamless customer experience from consultation to installation. They specialize in high-quality, energy-efficient vinyl window replacements for residential properties and are recognized for their professional installation crews and strong warranty offerings.

400 Herndon Pkwy, Herndon, VA 20170 (Note: This is a central business address; they serve the wider region from this location.)

Specialties & Features

Energy-efficient window replacement
Vinyl window installation
Custom sizing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Windows on Washington Ltd

4.7
(250 reviews)
Verified

A premier, family-owned window and door company with a long-standing reputation in the Northern Virginia area. They are known for handling complex projects, offering a wide range of products from standard replacements to high-end custom historical reproductions and architectural windows.

44110 Scholar Plaza Suite 145, Ashburn, VA 20147 (Serves Herndon and the entire Northern VA region)

Specialties & Features

Custom window solutions
Historical window replacement
High-end installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Thompson Creek Window Company

4.6
(300 reviews)
Verified

A well-established, larger regional contractor with a strong brand presence and manufacturing capabilities. They are known for their own line of energy-efficient windows and a direct-to-consumer model that controls quality from manufacturing to installation. They handle both standard replacements and more complex window solutions.

8434 C Terminal Road, Lorton, VA 22079 (Serves the DC Metro area, including Herndon)

Specialties & Features

Energy-efficient windows
Full-window replacement system
Storm and security windows

Business Information

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

Why These Are the Top Windows Contractors in Herndon

** The window replacement and installation market in Herndon, Virginia, is competitive and characterized by a high standard of quality. Herndon's housing stock includes a mix of older colonials, townhomes from the 80s and 90s, and new construction, driving demand for both repair services and full-scale energy-efficient upgrades. The local climate, with hot humid summers and cold winters, makes energy efficiency a primary concern for homeowners. Consequently, providers specializing in ENERGY STAR® certified products and proper installation to prevent air leakage are in high demand. The competition level is high, with a mix of large regional players (like Thompson Creek) and specialized local contractors (like Windows on Washington) competing on service, customization, and expertise rather than just price. Typical pricing for a full window replacement on a standard home can range from $7,000 to $20,000+, heavily dependent on the number of windows, the materials chosen (vinyl, fiberglass, wood), and the complexity of the installation. Customers generally expect detailed, in-home consultations and robust warranties.

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 Herndon regulations and climate

Frequently Asked Questions About Windows in Herndon

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

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

For a standard single-family home in Herndon, a full window replacement typically ranges from $15,000 to $30,000+, but this varies widely. Key cost factors include the number and size of windows, the material (vinyl, fiberglass, or wood), the quality of the glass (e.g., Low-E coatings for our climate), and the complexity of the installation in your specific home. Local labor rates and any structural repairs needed to meet Virginia's building codes also impact the final price.

2When is the best time of year to schedule window installation in Herndon, VA?

Late spring (April-May) and early fall (September-October) are ideal, offering mild temperatures and lower humidity, which is better for sealing and caulking. While many installers work year-round, winter installations require careful management to maintain your home's heat, and summer projects can be delayed by the frequent afternoon thunderstorms common in Northern Virginia. Scheduling during these shoulder seasons often provides more availability and predictable weather.

3Are there specific local permits or regulations in Herndon I need to be aware of for window replacement?

Yes, in most cases, window replacement in Herndon requires a building permit from the Town of Herndon's Department of Community Development, especially if you are altering the structural opening. Virginia's Uniform Statewide Building Code (USBC) sets the standards, which include requirements for energy efficiency and egress (escape) windows for bedrooms. A reputable local installer will typically handle the permit process for you, ensuring compliance with all local codes.

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

Prioritize contractors who are licensed, insured, and have a strong physical presence in Northern Virginia. Check for membership with local organizations like the Herndon Dulles Chamber of Commerce and look for online reviews specific to the area. Always ask for local references you can contact and verify that they obtain the required Herndon building permits, which is a sign of a legitimate and code-compliant operation.

5What energy efficiency features are most important for Herndon's climate?

Given Herndon's humid summers and cold winters, look for windows with a low U-factor (for insulation against cold) and a low Solar Heat Gain Coefficient (SHGC) to block unwanted summer heat. Dual-pane glass with argon gas and Low-E coatings are standard recommendations. Ensuring a proper, airtight installation is just as critical as the product itself to prevent moisture intrusion and drafts, maximizing your comfort and energy savings year-round.