The Best Insulation Contractors in Seabrook, NH

Compare the highest-rated insulation professionals in Seabrook, New Hampshire. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

ReVision Energy

4.8
(450 reviews)
Verified

While primarily known as a leading solar installer in New England, ReVision Energy has a deeply integrated Energy Efficiency division that provides comprehensive home performance services. Their "whole-home" approach is a key strength, where they combine insulation and air sealing with renewable energy systems to maximize comfort and savings. They are experts in accessing and maximizing state and utility rebates.

75 Rochester Ave., Unit 6, Portsmouth, NH 03801 (Primary nearby location serving the Seacoast)

Specialties & Features

Energy efficiency audits
Air sealing services
Blown-in insulation installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

USA Insulation of New Hampshire

4.7
(150 reviews)
Verified

USA Insulation is a franchise with a strong local presence, specializing in retrofitting existing homes with modern insulation solutions. They are particularly noted for their wall insulation services, using a proprietary blown-in system designed for existing walls without the need for major demolition. They offer free estimates and focus heavily on improving thermal comfort.

77 Northeastern Blvd, Unit 16, Nashua, NH 03062 (Services the entire southern NH region, including Seabrook)

Specialties & Features

Wall insulation services
Blown-in insulation installation
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Granite State Insulation Services, Inc.

4.6
(80 reviews)
Verified

A locally-owned and operated contractor that focuses specifically on insulation. They have a strong reputation for professionalism and quality workmanship in both residential and commercial projects. Their service range is comprehensive, covering everything from attic and basement insulation to spray foam applications, making them a versatile single-source provider for insulation needs.

10 Industrial Drive, Unit 13, Rochester, NH 03867 (Serves the Seacoast and Lakes Region, including Seabrook)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Attic insulation installation and upgrade

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Seabrook

** The insulation market in the Seabrook, NH area is competitive and service-rich, driven by the region's cold winters, high energy costs, and aging housing stock. Homeowners are increasingly aware of the benefits of energy efficiency, both for comfort and cost savings. The average quality of providers is high, with several established companies competing on service, expertise, and the ability to navigate state-level rebate programs like those offered by NHSaves. The competition level is **moderate to high**, with a mix of large, diversified energy companies (like ReVision) and specialized, local insulation contractors (like Granite State Insulation). This benefits the consumer, as it drives up service quality and provides a range of options from whole-home energy consultants to product-specific installers. Typical pricing is in line with New England averages. Ballpark costs can range from: * **Attic Blown-In Cellulose:** $1,500 - $3,500+ * **Wall Insulation (Blown-In):** $2,000 - $5,000+ depending on home size and wall construction. * **Spray Foam (Closed Cell):** $1.50 - $3.00+ per board foot (a full attic can cost $4,500 - $8,000+). Most reputable companies offer free, detailed estimates and should be able to provide a clear explanation of potential utility rebates and payback periods.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Seabrook regulations and climate

Frequently Asked Questions About Insulation in Seabrook

Get answers to common questions about insulation services in Seabrook, New Hampshire.

1What are the most important insulation upgrades for my Seabrook home given our coastal climate?

For Seabrook's humid, coastal climate with cold winters, the top priorities are air sealing and adding attic insulation. Moisture control is critical to prevent mold, so using vapor-permeable insulation like blown-in cellulose or fiberglass batts in attics is recommended. Properly sealing basement rim joists and crawl spaces is also vital to block damp, cold air from the Atlantic and reduce heat loss.

2How much does insulation installation typically cost in the Seabrook area?

Costs vary by project, but Seabrook homeowners can expect to pay between $1,500 to $3,500 for a standard attic insulation upgrade using blown-in cellulose. Whole-house air sealing and insulation projects range from $3,000 to $7,000+. Regional material and labor costs influence pricing, but investing in insulation offers strong returns through reduced heating bills, especially during our long New England heating season.

3When is the best time of year to schedule insulation work in Seabrook?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows contractors more scheduling flexibility before the busy winter rush. Avoid peak summer heat in the attic and the deep winter when ice dams can be a concern and contractors are often booked with emergency repairs.

4What should I look for when choosing a local Seabrook insulation contractor?

Always verify the contractor is licensed to operate in New Hampshire and carries proper insurance. Look for companies experienced with the specific moisture and wind challenges of the Seacoast region. Check for certifications from manufacturers (like Owens Corning) or industry bodies (BPI), and ask for local references to confirm their reputation for quality work and understanding of New Hampshire building codes.

5Are there any local rebates or incentives for insulating my home in New Hampshire?

Yes, New Hampshire homeowners have excellent incentives. The NHSaves program, funded by utility companies including Unitil and Eversource which serve Seabrook, offers rebates for approved insulation and air sealing work. You may qualify for hundreds of dollars in direct rebates. Additionally, the federal tax credits for energy efficiency improvements can provide further savings on qualifying materials.