Compare the highest-rated insulation professionals in Derwood, Maryland. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, eco-focused contractor specializing in comprehensive home performance upgrades. They are known for their thorough energy audits and expert implementation of air sealing and insulation solutions to maximize home comfort and efficiency. Their strong reputation is built on detailed work and high customer satisfaction.
Part of a national brand with a strong local presence, Koala specializes in a wide variety of insulation types, including blown-in attic insulation and insulation removal. They are praised for their professionalism, clear communication, and expertise in both residential and commercial projects.
Apex is a leading contractor in the Maryland/Virginia area, particularly renowned for its expertise in spray foam insulation. They handle everything from complex crawl space and basement encapsulation to whole-house retrofits, focusing on building science to create durable and efficient building envelopes.
The insulation market in Derwood and the broader Montgomery County area is mature and competitive, characterized by a high standard of quality due to strict local building codes and an energy-conscious homeowner base. Many homes in Derwood are of older construction (1970s-1990s), creating significant demand for attic insulation upgrades, air sealing, and crawl space encapsulation to improve efficiency. The competition level is high, which benefits consumers through competitive pricing and a focus on customer service. However, it necessitates careful selection, as quality and expertise can vary. Typical pricing is above the national average, reflecting the region's higher cost of living and the technical expertise required. For example, an attic blow-in insulation project can range from $1,500 to $4,000, while a full spray foam application can be a significant investment of $8,000 to $15,000+, depending on the scope. Homeowners are often motivated by available utility rebates from Pepco and Washington Gas, as well as federal tax credits, which the top-tier providers are proficient at navigating for their clients.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Derwood regulations and climate
Get answers to common questions about insulation services in Derwood, Maryland.
For Derwood's humid summers and cold winters, spray foam and blown-in cellulose are top choices. Spray foam provides an excellent air seal against humidity, while dense-packed cellulose is great for retrofitting older homes common in Montgomery County. The right choice depends on your home's structure, with attics and crawlspaces being critical areas to target for Maryland's temperature swings.
Costs in Derwood and greater Montgomery County vary by project size and material. For example, attic insulation can range from $1,500 to $3,500, while whole-house air sealing and insulation can be $5,000+. Local material costs and the complexity of working with older home layouts influence pricing. Always get 2-3 detailed, written estimates from local providers for an accurate comparison.
Yes, Maryland homeowners can access several programs. EmPOWER Maryland offers rebates for energy audits and specific insulation upgrades through participating contractors. Additionally, Montgomery County may have its own incentives, and federal tax credits for qualified insulation materials are available. A reputable local installer will be familiar with these programs and can help you apply.
Fall and early spring are ideal, as moderate temperatures allow for proper installation and curing of materials like spray foam. Scheduling before the peak summer heat or winter cold also ensures your home is prepared for extreme weather. However, professional contractors in our area work year-round, and addressing urgent issues like heat loss or ice dams should not be delayed.
Prioritize contractors licensed and insured in Maryland with specific experience in Derwood's older housing stock. Check for certifications from manufacturers (like Owens Corning) and industry groups (BPI). Ensure they perform a thorough energy audit first and ask for local references. Verify they understand and comply with Montgomery County's building codes for insulation R-values and vapor barriers.