The Best Insulation Contractors in Stratham, NH

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

#1

ReNew Services

4.9
(180 reviews)
Verified

A highly-rated, full-service energy efficiency contractor specializing in comprehensive home performance upgrades. They are known for their thorough energy audits and holistic approach, combining air sealing and insulation to maximize comfort and savings. Their expertise in local utility rebates is a significant strength.

15 Portwalk Pl, Portsmouth, NH 03801 (Serves Stratham)

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Yankee Thermal Imaging & Insulation

4.8
(110 reviews)
Verified

This company stands out for its use of advanced diagnostic technology, such as thermal imaging, to identify insulation gaps and air leaks with precision. They offer a wide array of insulation types and are praised for their professional installations and clear communication.

7 Raymond Ave, Unit 2, Salem, NH 03079 (Serves the entire Seacoast region, including Stratham)

Specialties & Features

Blown-in insulation
Insulation removal and replacement
Wall insulation services

Business Information

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

A-1 Foam & Spray Insulation

4.7
(90 reviews)
Verified

A specialized contractor focused primarily on spray foam applications, serving both residential and commercial clients. They are recognized for their technical expertise in spray foam, a critical service for creating high-performance air and moisture barriers in basements, crawl spaces, and attics.

7 Industrial Drive, Unit 10, North Hampton, NH 03862 (Directly adjacent to Stratham)

Specialties & Features

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

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Stratham

** The insulation and home energy efficiency market in Stratham, NH, is robust and competitive, characterized by a high standard of quality. As an affluent community within the Seacoast Region, homeowners in Stratham are often highly knowledgeable about and invested in energy efficiency, comfort, and property value. This demand has fostered a market of specialized, professional contractors rather than general handymen. * **Average Quality:** The bar for service quality is high. Leading providers are typically Building Performance Institute (BPI) certified and deeply knowledgeable about New Hampshire's climate-specific challenges and building codes. * **Competition Level:** The market is not oversaturated, but it is competitive among a select group of 5-10 highly reputable regional companies. Success is driven by proven results, certifications, and strong customer testimonials. * **Typical Pricing:** Pricing is generally at a premium due to the high cost of materials (especially spray foam) and the level of expertise required. Homeowners can expect to invest significantly for whole-home projects. For example, attic insulation projects can range from $1,500 to $4,500, while comprehensive whole-home air sealing and insulation upgrades can easily reach $10,000-$20,000 or more. However, the availability of rebates from utilities like Liberty Utilities and Unitil can substantially offset these costs, making high-efficiency upgrades a compelling investment for local homeowners.

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 Stratham regulations and climate

Frequently Asked Questions About Insulation in Stratham

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

1What is the best type of insulation for my Stratham home given our cold New Hampshire winters?

For our climate, the "best" type depends on the application, but air sealing combined with high R-value materials is critical. For attics, blown-in cellulose or fiberglass is excellent for filling gaps and achieving the recommended R-49 to R-60. For walls, dense-pack cellulose or spray foam provides superior air sealing, which is vital for combating the penetrating cold winds and high heating costs we experience in the Seacoast region.

2How much does insulation installation typically cost for a home in Stratham?

Costs vary significantly based on home size, material, and scope, but a typical attic insulation project in Stratham can range from $1,500 to $4,500. Regional material and labor costs influence pricing, and whole-house projects (attic, walls, basement) can range from $6,000 to $15,000+. It's crucial to get detailed, written estimates that break down R-value targets and square footage, as this provides a true apples-to-apples comparison between local contractors.

3When is the ideal time of year to add or upgrade insulation in Stratham?

While insulation can be installed year-round, the best times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Stratham, which is ideal for attic work and allows contractors greater availability. Scheduling in these shoulder seasons ensures your home is fully prepared before the intense winter cold sets in, and avoids the peak summer heat that can make attic work unbearable.

4Are there any local New Hampshire or Stratham-specific rebates or incentives for insulation upgrades?

Yes, New Hampshire homeowners have excellent access to incentives. The primary program is through NHSaves, which offers rebates for qualifying insulation upgrades that meet specific performance standards. Additionally, Stratham residents may qualify for federal tax credits for certain insulation materials. A reputable local insulation contractor will be familiar with these programs and can often help you navigate the paperwork to maximize your savings.

5What should I look for when choosing an insulation contractor in the Stratham area?

Prioritize contractors who are licensed and insured in New Hampshire and have specific experience with our climate's demands. Look for companies that perform a thorough energy audit or assessment first, rather than immediately quoting a product. Check for strong local references in towns like Exeter, Durham, or Portsmouth, and verify they understand and follow New Hampshire building codes, which dictate required R-values for our heating zone.