Compare the highest-rated insulation professionals in Derry, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading energy efficiency contractor for Southern NH and Northern MA. They are a full-service provider focusing on comprehensive home performance, from audits to insulation and air sealing. They are well-known for their professionalism and expertise in solving complex energy loss issues.
A specialized insulation company known for high-quality installation of various insulation types. They have a strong focus on residential projects and are praised for their clean work and effective results in improving home comfort.
A well-established general contractor with a dedicated insulation division. They offer a wide range of services, making them a good option for projects that might involve structural elements beyond just insulation. They have extensive knowledge of local building codes.
** The insulation market in Derry, NH, is robust and competitive, driven by the state's cold climate and high energy costs. The housing stock includes many older homes (pre-1990s) that are often under-insulated, creating significant opportunity for energy savings. The average quality of providers is high, with several companies holding certifications like Building Performance Institute (BPI), which is crucial for conducting legitimate energy audits and qualifying for rebates. **Competition Level:** Moderate to High. While there are few "insulation-only" companies based directly in Derry, the town is served by a dense network of highly qualified contractors from surrounding hubs like Manchester, Salem, and the Southern NH/Northern MA border region. **Typical Pricing:** Costs vary significantly based on insulation type and project scope. * **Blown-in Cellulose/Fiberglass (Attic):** $1,500 - $4,500 * **Spray Foam (Open Cell):** $2.50 - $4.50 per board foot (highly dependent on thickness and area) * **Wall Insulation (Blown-in):** $3,000 - $7,000+ for an average home * **Energy Audit:** $400 - $800, often applied as a credit toward subsequent work. Homeowners in Derry should actively inquire about available rebates from New Hampshire's energy efficiency programs (like those through NHSaves) and federal tax credits, as most top-tier contractors are well-versed in these incentives and can assist with the application process.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Derry regulations and climate
Get answers to common questions about insulation services in Derry, New Hampshire.
For Derry's cold winters and humid summers, a combination of air sealing and high R-value insulation is critical. We typically recommend spray foam for its superior air barrier or dense-packed cellulose for existing walls, as both effectively combat heat loss and moisture intrusion common in New Hampshire. Attic insulation to at least R-49 (for new insulation) is a standard target to meet energy codes and maximize comfort.
Costs vary based on home size, insulation type, and accessibility, but Derry homeowners can expect to invest between $1,500 to $3,500 for a standard attic blow-in project. Whole-house insulation (like dense-packing walls) ranges from $3,000 to $7,000+. It's important to get itemized quotes from local providers, as pricing includes factors like our region's higher labor costs and the specific challenges of insulating New England's older home stock.
Yes, New Hampshire homeowners have excellent access to incentives. The primary program is through NHSaves, which offers rebates for adding insulation to attics, basements, and walls when installed by a participating contractor. Additionally, Derry residents may qualify for federal tax credits for certain insulation materials. A reputable local installer will be well-versed in these programs and help you navigate the paperwork.
While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather which is optimal for projects like attic work. Scheduling during these shoulder seasons also ensures the work is completed before the peak heating season, allowing you to save on energy costs during our harsh winter.
Always verify the contractor is licensed and insured in New Hampshire. Look for established local companies with strong reviews and specific experience with homes in our area, as they'll understand common issues like ice dams, old knob-and-tube wiring, and granite foundations. Ensure they perform a pre-installation energy assessment and provide a detailed quote that includes air sealing, which is crucial for our climate's efficiency and moisture control.