Compare the highest-rated insulation professionals in Dover, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, family-owned and operated insulation specialist serving the Seacoast region for over 15 years. They are known for their professionalism, deep knowledge of building science, and focus on comprehensive home performance solutions, including energy audits and air sealing.
A well-established contractor specializing in both residential and commercial insulation. They are recognized for their expertise in all major insulation types and their commitment to using high-quality materials. They often work with homeowners to leverage local utility rebates.
While roofing is a primary service, their dedicated insulation division has built a strong reputation in the Seacoast area. They offer a full suite of insulation services and are particularly skilled at integrating attic insulation and air sealing with building envelope projects.
** The insulation market in Dover, NH, and the broader Seacoast region is characterized by a mix of a few specialized insulation contractors and many general contractors who offer insulation as part of a broader service. Due to the city's abundance of older, historic homes, there is a significant demand for insulation upgrades, air sealing, and energy efficiency improvements. The market competition is moderate, with the highest concentration of specialists located in the surrounding towns of Somersworth, Rochester, and Portsmouth. Homeowners are increasingly seeking out providers with expertise in building performance to reduce high New England heating costs. Typical pricing is competitive with regional averages, with projects like attic air sealing and blown-in cellulose ranging from $2,000 to $4,500, while comprehensive spray foam applications can run from $5,000 to $15,000+. Providers who are well-versed in New Hampshire's energy efficiency programs and rebates (like those through NHSaves) have a distinct advantage and are highly sought after.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Dover regulations and climate
Get answers to common questions about insulation services in Dover, New Hampshire.
For Dover's cold New England winters and humid summers, a focus on air sealing and high R-value insulation is critical. We typically recommend spray foam or dense-pack cellulose in walls and attics for superior air barrier performance, and blown-in fiberglass or cellulose for attic floors to achieve recommended R-49 to R-60 levels. Properly addressing the building envelope helps combat significant heating costs and summer humidity prevalent in the Seacoast region.
Costs vary by home size, insulation type, and scope, but a typical attic insulation project in Dover ranges from $1,500 to $4,500. Whole-house projects like dense-packing walls can range from $3,000 to $8,000+. It's important to get a detailed, in-home assessment, as factors like historic home construction in areas like downtown Dover or accessibility can affect price. Many local providers offer free estimates.
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 weather, allowing for optimal installation conditions and easier scheduling with local contractors before the busy winter rush. Addressing insulation before the harsh winter sets in ensures your home is prepared for peak heating season, maximizing your comfort and savings.
Yes, New Hampshire homeowners should first explore the **NH Saves** program, which offers rebates for insulation and air sealing work performed by participating contractors. Additionally, the federal Inflation Reduction Act provides tax credits for qualified energy efficiency improvements. A reputable Dover insulation contractor will be knowledgeable about these programs and can help you understand which incentives you may qualify for.
Prioritize licensed and insured local contractors with specific experience in New Hampshire's climate and building styles, including older homes common in Dover. Look for companies that perform a thorough energy audit or assessment using tools like a blower door test. Check for strong reviews, membership in local trade associations, and ensure they are a participating contractor in the NH Saves program to access rebates.