Compare the highest-rated insulation professionals in Sherwood, Maryland. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, modern insulation contractor known for its expertise in both new installations and replacement projects. They emphasize education, providing free evaluations, and using advanced techniques like infrared imaging to identify energy loss. Their service area explicitly includes Montgomery County and surrounding regions.
Specializes primarily in attic services but has expanded to a full suite of insulation and air sealing solutions. They are well-regarded for their efficiency, professionalism, and deep knowledge of building science as it applies to Maryland's climate. They are a go-to for homeowners seeking to resolve high energy bills and ice dams.
A local Maryland company focused on comprehensive home performance and energy efficiency upgrades. They are particularly strong in conducting energy audits and implementing the recommended solutions, which often include advanced air sealing and insulation in basements, crawl spaces, and walls to create a fully conditioned envelope.
** The insulation market in Sherwood, MD, and the broader Montgomery County area is robust and competitive, characterized by a high demand for energy efficiency upgrades. The housing stock includes a significant number of older homes built before modern energy codes, creating a strong need for retrofitted attic, wall, and basement insulation. The market quality is generally high, with several established contractors holding relevant certifications like BPI (Building Performance Institute) and being approved installers for programs like the EPA's ENERGY STAR. Competition is moderate to high, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project scope and material. For a standard attic blown-in cellulose or fiberglass job, homeowners can expect to pay between $1,500 and $3,500. Spray foam insulation is a premium option, often ranging from $3,500 to $7,500+ for an entire attic due to material and labor costs. The presence of local utility rebates (e.g., from Pepco) and potential federal tax credits for energy efficiency improvements can substantially offset these costs, making high-performance upgrades a compelling investment for Sherwood residents.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Sherwood regulations and climate
Get answers to common questions about insulation services in Sherwood, Maryland.
For Sherwood's humid subtropical climate with hot summers and cold winters, the top priorities are air sealing and attic insulation. Properly air sealing your attic floor and adding blown-in cellulose or fiberglass to achieve at least R-49 is critical to prevent heat loss in winter and block radiant heat gain in summer. Also, insulating basement rim joists and crawl spaces helps manage moisture and drafts common in our region.
Costs vary by home size and material, but for a standard 1,500 sq ft attic in Sherwood, blown-in insulation ranges from $1,500 to $3,500. Spray foam is more expensive, often $3,500 to $7,000 for the same area. It's important to get itemized quotes from local contractors, as Maryland's energy efficiency programs and occasional utility rebates (like from BG&E) can offset costs. Always ask if the quote includes a pre-installation energy audit.
Generally, adding insulation like batts or blown-in material does not require a permit in Montgomery County. However, if the project involves altering the structure, electrical, or HVAC systems, a permit may be needed. Reputable Sherwood-area contractors will handle this. Crucially, they must follow Maryland's building codes, which specify required R-values for different parts of the home, ensuring your upgrade meets state energy conservation standards.
The ideal times are late spring (April-May) and early fall (September-October). These periods offer mild temperatures, allowing for effective installation and letting contractors properly assess and address attic heat or moisture issues. While insulation can be installed year-round, scheduling during these shoulder seasons often provides better availability with local contractors compared to the peak summer and winter rush.
Look for licensed, insured contractors with strong local references in Montgomery County. Verify they perform a comprehensive energy assessment first. Choose a provider knowledgeable about Maryland's specific climate challenges, such as managing attic humidity to prevent mold. Check for certifications like BPI (Building Performance Institute) and membership in local trade associations, which indicate a commitment to current best practices and building codes.