Compare the highest-rated insulation professionals in Hampstead, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, family-owned and operated contractor specializing in comprehensive home performance and insulation services. They are known for their expertise in spray foam and cellulose insulation, and they conduct detailed energy audits to identify the root causes of energy loss, combining insulation with expert air sealing.
A specialized contractor focusing primarily on spray foam insulation for residential and commercial properties. They are praised for their technical knowledge, clean installations, and effectiveness in creating tight building envelopes. They are a go-to provider for high-performance spray foam applications in Southern NH.
A well-established, full-service insulation company serving all of Southern New Hampshire. They offer a wide array of insulation types, including blown-in cellulose and fiberglass, and are frequently hired for attic insulation upgrades and basement/crawl space projects. They are known for professionalism and clear communication.
** The insulation market in Hampstead, NH, is reflective of the broader Southern New Hampshire region, characterized by high energy costs and a climate with cold winters and warm, humid summers. This drives a strong demand for energy-efficient home upgrades. The market is moderately competitive, dominated by a mix of specialized local/regional contractors (like the ones listed) and larger, multi-state operators. The average quality of service is high, as contractors must be well-versed in New Hampshire building codes and the specific challenges of insulating older New England homes alongside new construction. Typical pricing is competitive but can be premium for advanced services like spray foam or comprehensive air sealing. Homeowners in Hampstead have access to various rebates and incentives, such as those from NHSaves, which the most reputable providers are knowledgeable about and can help clients navigate. A standard attic insulation project with blown-in cellulose can range from $1,500 to $3,500, while a full-home spray foam job can be a significant investment of $10,000+, reflecting the material and performance benefits.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Hampstead regulations and climate
Get answers to common questions about insulation services in Hampstead, New Hampshire.
For Hampstead's climate, a combination approach is often best. We typically recommend air-sealing the attic floor first, then adding blown-in cellulose or fiberglass insulation to achieve a minimum of R-49, which is the recommended level for our Zone 5 climate. This combination effectively combats winter heat loss and summer heat gain while managing moisture, a key concern with our humidity.
For a standard 1,500 sq ft attic in Hampstead, adding insulation to reach R-49 typically ranges from $1,500 to $3,000, depending on material and accessibility. Homeowners should check for rebates from New Hampshire's NHSaves program, which often offers incentives for adding insulation, and also inquire with their local utility, Unitil, for any additional offers to help offset the cost.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is crucial for proper installation and allows for effective air-sealing. Scheduling in these off-peak seasons also ensures better availability from local contractors before the intense heating season begins.
Prioritize local, licensed, and insured contractors with specific experience in New Hampshire's climate. They should perform a thorough energy audit or assessment before quoting. Check for membership in local associations and strong reviews from Hampstead or nearby towns, as they will be most familiar with common issues in our older home stock and local building codes.
Yes, but it requires specialized techniques. For historic stone foundations or walls, interior rigid foam board insulation or exterior mineral wool systems are common solutions that protect the stone's integrity while adding thermal resistance. It's critical to consult with a contractor experienced in historic New England homes to ensure the method manages moisture properly and complies with any local historic preservation guidelines.