Compare the highest-rated windows professionals in Dulles, Virginia. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading regional company known for a wide selection of high-quality, energy-efficient windows and a strong focus on customer service. They offer a streamlined process from free consultation to professional installation, backed by strong warranties.
A well-established, local powerhouse in the DC Metro area. They manufacture their own windows, allowing for quality control and custom solutions. Known for professional crews, clean installations, and a focus on durable, high-performance products.
A trusted local contractor that has served Northern Virginia for decades. They are praised for their competitive pricing, knowledgeable consultants, and efficient installation teams. They offer a strong portfolio of vinyl and composite windows from leading manufacturers.
** The window market in the Dulles area is highly competitive and quality-driven, reflecting the affluent and well-maintained homes of Northern Virginia. Homeowners in this region prioritize energy efficiency, durability, and aesthetic appeal. The average quality of providers is high, with numerous companies holding certifications from manufacturers like Andersen, Pella, and Harvey. Competition is fierce, which benefits consumers through competitive pricing and strong service guarantees. Typical pricing for a full home window replacement can range from $10,000 to $30,000+, heavily dependent on the number of windows, the quality of materials (vinyl, fiberglass, wood composite), and the complexity of the installation. Repair services are widely available, but most established companies in this market focus on full replacement projects to maximize home value and energy performance.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Dulles regulations and climate
Get answers to common questions about windows services in Dulles, Virginia.
In Dulles, the cost for a full window replacement typically ranges from $600 to $1,200 per window, including professional installation and mid-range vinyl windows. The final price depends on the window style (e.g., double-hung, casement), size, energy efficiency features, and any structural repairs needed. Given Virginia's climate with hot, humid summers and cold winters, investing in energy-efficient windows with Low-E coatings and argon gas can offer significant long-term savings on heating and cooling bills, which can offset the initial cost.
Dulles experiences a full four-season climate with high summer humidity, temperature swings, and potential for strong storms. We highly recommend windows with a low U-factor and Solar Heat Gain Coefficient (SHGC) to manage both heat loss in winter and heat gain in summer. Look for durable, weather-resistant materials and robust seals to withstand humidity and prevent condensation, which is a common issue in our region. Proper installation is critical to ensure air-tightness against local wind-driven rain.
In Loudoun County (which includes Dulles), a building permit is generally not required for window replacement if the opening size is not being altered. However, if you are changing the size or if your home is in a historic district or HOA, you must check specific regulations. For a standard whole-home installation, the process from measurement to completion usually takes 1-3 days, but scheduling is highly seasonal—spring and fall are the busiest, so booking several weeks in advance is advisable.
Always verify that the company is licensed, insured, and has a strong local reputation in Northern Virginia. Look for installers familiar with Loudoun County's specific building practices and weather challenges. Ask for references from recent Dulles-area projects and check reviews for comments on professionalism and post-installation support. A reputable local provider will offer a detailed, in-home estimate and clearly explain product warranties and their own workmanship guarantee.
The most common concerns are drafts/air leakage and condensation between panes, often due to improper sealing or a failed seal in the insulated glass unit. Virginia's humidity can exacerbate condensation issues. A quality installer will conduct a thorough post-installation inspection and should offer a strong warranty that covers both materials and labor. If problems arise, contact your installer immediately; persistent drafts often indicate an installation flaw that needs prompt correction to maintain energy efficiency.