Compare the highest-rated insulation professionals in Dunn Loring, Virginia. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, full-service insulation and energy efficiency contractor serving Northern Virginia. They are known for their comprehensive approach, combining insulation upgrades with air sealing to maximize home performance. They are often recommended for their expertise in spray foam and blown-in cellulose.
Part of a national brand with a strong local presence, Koala Insulation is praised for its professionalism and detailed energy audits. They specialize in all types of residential insulation, including removal of old, inefficient insulation and replacement with modern materials like blown-in fiberglass and spray foam.
A veteran-owned business focusing on creating more comfortable and energy-efficient homes. They excel in attic encapsulation, basement and crawl space insulation, and solving complex moisture and air quality issues. Their strong focus on building science makes them a top choice for holistic home performance.
** The insulation and energy efficiency market in the Dunn Loring area is highly competitive and professional, reflecting the affluence and older housing stock of Northern Virginia. Many homes in this region were built several decades ago and lack modern insulation standards, creating a strong demand for upgrade services. The average quality of contractors is high, with many holding advanced certifications (like BPI) and specializing in complex solutions like spray foam and crawl space encapsulation. Competition is robust, which generally benefits the consumer through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project scope and material. For example, attic blow-in insulation can range from **$1,500 to $4,000**, while a full spray foam application in an attic or crawl space can range from **$4,500 to $10,000+**. Reputable contractors in this market almost universally provide free, detailed estimates and are knowledgeable about local building codes and available rebates from utility companies like Dominion Energy.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Dunn Loring regulations and climate
Get answers to common questions about insulation services in Dunn Loring, Virginia.
For Dunn Loring's humid subtropical climate with hot summers and cold winters, a combination of air sealing and high R-value insulation is crucial. Blown-in cellulose or fiberglass is often recommended for attics as it effectively fills gaps, with a target R-value of R-49 to R-60 for optimal energy efficiency. This helps combat both summer heat gain and winter heat loss, directly impacting your year-round comfort and utility bills.
Costs vary based on home size, insulation type, and existing conditions, but for a standard 1,500 sq ft attic in our area, you can expect a range of $1,500 to $3,500 for professional installation of blown-in insulation. Regional material and labor rates influence this, and it's wise to get multiple quotes. Remember, Virginia offers sales tax exemptions on certain ENERGY STAR qualified insulation materials and installations, which can provide savings.
The ideal times are late spring (April-May) and early fall (September-October). These periods typically offer milder temperatures, making it safer for contractors to work in your attic and allowing the work to be completed before the peak heating and cooling seasons. Scheduling during these shoulder seasons also helps ensure contractor availability before the high-demand summer and winter rushes.
Always verify the contractor is licensed by the Virginia Department of Professional and Occupational Regulation (DPOR) and carries proper insurance. Look for local experience in Dunn Loring/Fairfax County, as they will understand specific building codes and common home styles. Check for certifications from manufacturers (like Owens Corning) and ask for references from recent jobs in the area to gauge reliability and quality.
Yes, many older homes in our area have poorly insulated or empty wall cavities. For existing walls without insulation, the most effective and least invasive method is dense-pack cellulose or fiberglass injection, which involves drilling small holes in the exterior siding or interior walls. This is a common upgrade in Dunn Loring's mid-century homes and significantly improves comfort and noise reduction while preserving the home's structure.