Compare the highest-rated insulation professionals in Ashburn, Virginia. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, modern insulation company that emphasizes education and energy efficiency. They specialize in a full suite of services including blown-in attic insulation, spray foam, and insulation removal. They are known for their transparent quoting process and expertise in both residential and commercial properties.
A well-established and reputable contractor with a strong focus on attic services, including insulation, ventilation, and air sealing. They have extensive experience with older homes in need of upgrades and are frequently recommended for resolving ice dam issues and improving overall home energy efficiency.
While known for roofing and siding, ResCom has a robust insulation division that handles comprehensive projects, including basement and crawl space encapsulation. They are a strong choice for whole-house energy efficiency upgrades and are well-versed in the building codes and utility rebates specific to Northern Virginia.
** The insulation market in Ashburn, Virginia, is characterized by high demand driven by a mix of newer, energy-efficient homes and older properties requiring upgrades. The competition is strong, with a high bar for quality due to the affluence and expectations of the local homeowner base. The average quality of service is very good, with leading contractors holding certifications from organizations like BPI (Building Performance Institute) and being approved installers for local utility rebate programs (e.g., through Dominion Energy). Typical pricing is on the higher end of the national average, reflecting the region's cost of living and the expertise of the contractors. For example, attic blown-in insulation can range from $1,500 to $4,500, while spray foam projects for a crawl space or basement can easily exceed $5,000, depending on the square footage and R-value required. Homeowners are generally well-informed and seek out contractors who can provide energy audits and comprehensive air sealing to maximize the effectiveness of new insulation.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Ashburn regulations and climate
Get answers to common questions about insulation services in Ashburn, Virginia.
For Ashburn's humid summers and cold winters, spray foam insulation is often the top performer due to its superior air-sealing and high R-value per inch, which is critical for managing both humidity and temperature extremes. However, blown-in cellulose or fiberglass in attics is a highly effective and cost-efficient choice for many existing homes. A professional assessment is key, as the best type depends on your home's specific construction, existing insulation, and your budget.
For a standard attic insulation project in Ashburn, homeowners can expect to pay between $1,500 and $3,500, with costs varying based on the square footage, chosen material (e.g., fiberglass batts vs. spray foam), and the desired R-value. Given our climate, building codes in Virginia (and specifically Loudoun County) recommend an attic R-value of R-49 to R-60, which influences the material quantity and final price. Always get itemized quotes from local, licensed contractors.
The ideal times are during the mild seasons of spring and fall. This avoids the extreme heat of a Virginia summer, which can make attic work unsafe and affect spray foam curing, and the deep cold of winter, which can complicate air-sealing diagnostics. Scheduling during these off-peak periods can also lead to better contractor availability and potentially more flexible scheduling for your project.
Yes, Ashburn residents should first check for rebates from their utility provider, Dominion Energy, which often offers incentives for home energy audits and subsequent insulation upgrades. Additionally, federal tax credits for qualified energy efficiency improvements, including specific insulation materials, are currently available and can provide significant savings. A reputable local installer will be knowledgeable about current incentive programs.
Prioritize contractors who are licensed, insured, and have strong local references in Ashburn and Loudoun County. They should perform a thorough energy audit or assessment before quoting. Ensure they are familiar with Virginia's building codes and the specific challenges of our climate, such as managing attic ventilation to prevent moisture buildup, which is a common concern in our humid region.