Compare the highest-rated insulation professionals in Dhs, Virginia. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, modern insulation company known for its focus on energy efficiency and customer education. They specialize in a comprehensive range of insulation types and emphasize using recycled and sustainable materials where possible. Their strong digital presence and consistent 5-star reviews highlight a commitment to customer service and quality workmanship.
A veteran-owned and operated company with a stellar reputation throughout Northern Virginia. They are often highlighted in reviews for their professionalism, detailed assessments, and expertise in attic-specific projects, including complex air sealing and insulation upgrades. Their long tenure in the area indicates deep knowledge of local building codes and rebate programs.
A well-established local contractor known for handling a wide variety of insulation projects, from residential basements and crawl spaces to commercial properties. They are praised for their experienced crews, clear communication, and ability to handle both new construction and retrofit insulation challenges effectively.
** The insulation market in the Dhs (Dulles) area and greater Loudoun County is robust and highly competitive, driven by a mix of older homes needing energy efficiency upgrades and new construction. The average quality of providers is high, as the affluent and educated demographic demands professional service, proper licensing, and knowledge of modern building science. **Competition Level:** High. The market features a blend of long-standing local companies and newer, branded franchises, all vying for business. This competition generally benefits the consumer through competitive pricing and a focus on customer service. **Typical Pricing:** Pricing is at a premium compared to national averages, reflecting the higher cost of living and business operations in Northern Virginia. However, the return on investment is significant due to high local energy costs. * **Blown-in Cellulose:** $1.50 - $2.50 per sq. ft. * **Spray Foam (Open Cell):** $1.00 - $1.50 per board foot. * **Spray Foam (Closed Cell):** $1.25 - $2.00 per board foot. * **Air Sealing Service:** $500 - $2,000+ depending on the complexity and size of the home. **Key Market Drivers:** Homeowners are heavily motivated by desires to lower utility bills (from Dominion Energy and Washington Gas), improve home comfort by eliminating drafts, and participate in available rebate programs from the state and utility providers. The most successful contractors are those who can expertly conduct energy audits and guide homeowners through the available financial incentives.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Dhs regulations and climate
Get answers to common questions about insulation services in Dhs, Virginia.
For our humid subtropical climate with hot summers and cool winters, spray foam and blown-in cellulose are top choices. Spray foam provides an excellent air seal against humidity, while dense-packed cellulose is highly effective for sound dampening and retrofitting older homes in neighborhoods like Seminary Hill. The best type depends on your home's specific construction, whether it's a historic property or a modern build, and your budget for upfront cost versus long-term energy savings.
For a standard 1,500 sq ft attic in Dhs, adding blown-in cellulose insulation to achieve R-49 typically costs between $1,800 and $3,000, while spray foam is significantly more. It's crucial to get a detailed, in-person estimate. Virginia homeowners can access rebates through programs like Dominion Energy's Home Energy Assessment program, which often includes insulation incentives, and federal tax credits for certain qualified energy-efficient improvements.
The ideal times are late spring (April-May) and early fall (September-October). These periods offer mild temperatures, allowing for proper curing of materials like spray foam and making attic work more bearable for crews. While insulation can be installed year-round, scheduling during these shoulder seasons often provides better availability and avoids the peak summer heat and winter chill that can complicate the installation process and affect your home's comfort during the work.
Prioritize contractors who are licensed, insured, and have specific experience with the diverse housing stock in our area, from mid-century ramblers to new townhomes. They should perform a thorough energy audit or assessment before quoting. Check for membership in local trade associations and strong reviews on platforms like Nextdoor. Always verify they understand and comply with the Virginia Uniform Statewide Building Code (USBC) and any local City of Alexandria requirements for permits, especially for structural or ventilation changes.
Not always. In older homes, air sealing is actually the first and most critical step before adding insulation. Gaps, cracks, and penetrations in the attic, basement, and around windows are major sources of drafts and moisture intrusion from our humid climate. A professional assessment will identify these leakage points. Properly air sealing the building envelope, then adding the correct amount and type of insulation, is the comprehensive solution for improving comfort and efficiency in our region.