The Best Insulation Contractors in Fremont, NH

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

#1

Granite State Insulation

4.8
(180 reviews)
Verified

A highly-rated, specialized insulation contractor known for its focus on energy efficiency and professional installations. They are often recommended for whole-home insulation projects and are well-versed in modern materials and techniques.

125 Commerce Way, Portsmouth, NH 03801 (Serves Fremont)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Air sealing services

Business Information

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

A-1 Foam L.L.C.

4.7
(110 reviews)
Verified

A leading provider of spray foam insulation solutions in the region. They have a strong reputation for technical expertise in both open-cell and closed-cell foam applications, helping homeowners achieve high R-values and superior air barriers.

28 Industrial Drive, Unit 4, Exeter, NH 03833 (Serves Fremont)

Specialties & Features

Spray foam insulation
Crawl space encapsulation
Basement insulation

Business Information

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

Merrimack Valley Insulation Services

4.5
(90 reviews)
Verified

A well-established, full-service insulation company serving Southern NH and the Seacoast region. They offer a wide range of services from attic upgrades to insulation removal and are known for their reliable customer service and knowledge of local utility rebates.

42 Technology Way, Derry, NH 03038 (Serves Fremont)

Specialties & Features

Attic insulation installation
Insulation removal and replacement
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Fremont

** The insulation market serving Fremont, NH, is characterized by a small number of highly specialized, regional contractors rather than a high volume of local competitors. Due to Fremont's older housing stock (including many homes built before modern energy codes), there is consistent demand for insulation upgrades, particularly in attics and basements. The competition is moderate but of generally high quality; the companies that succeed are those with proven expertise, proper licensing, and strong customer reviews. Homeowners in Fremont are typically looking for solutions to high heating costs and cold drafts, driving demand for comprehensive services that include air sealing alongside insulation. Pricing is competitive but reflects the skilled labor and quality materials required. As a rough guide: * **Blown-in Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (R-13 wall):** $1,200 - $2,500 per wall * **Whole-House Air Sealing & Insulation Upgrade:** $5,000 - $15,000+ Providers in this area are generally knowledgeable about New Hampshire’s building codes and available rebate programs, such as those from the NHSaves initiative, which can significantly offset project costs for qualifying energy efficiency improvements.

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 Fremont regulations and climate

Frequently Asked Questions About Insulation in Fremont

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

1What is the best type of insulation for my older home in Fremont, given our cold New Hampshire winters?

For Fremont's climate (Zone 5), achieving a high R-value is critical for winter comfort and energy savings. In older homes with existing walls, dense-pack cellulose or blown-in fiberglass are excellent choices as they can be installed without major demolition, effectively filling cavities and reducing air leaks. For attics, adding blown-in cellulose over existing insulation is highly effective and helps manage the ice dam risks common in our snowy winters.

2How much does insulation installation typically cost for a Fremont home, and are there any local incentives?

Costs vary by home size and project scope, but attic insulation for an average Fremont home typically ranges from $1,500 to $3,500. New Hampshire homeowners should first utilize the FREE Home Energy Audit through the NHSaves program, which includes significant rebates for recommended insulation work—often covering 75-90% of the project cost. This state-sponsored program is the primary local incentive and is essential to access before hiring a contractor.

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

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically avoid the peak summer heat in the attic and the deep winter cold that can complicate exterior prep work. Scheduling during these shoulder seasons also ensures your home is fully prepared before Fremont's harsh winter sets in, and contractor availability is often better.

4What should I look for when choosing an insulation contractor in the Fremont area?

Always verify the contractor is licensed by the State of New Hampshire (as required by law) and carries proper insurance. Crucially, choose a contractor who is a registered NHSaves Trade Ally, as this is necessary for you to receive the state rebates. Ask for local references in the Rockingham County area and ensure they provide a detailed assessment of your home's specific air sealing needs alongside insulation.

5My energy bills are high, but how do I know if my Fremont home actually needs new insulation?

Common local signs include uneven room temperatures, cold drafts, ice dams forming on the roof edge in winter, and excessively high heating bills compared to similar homes. The definitive first step is to schedule the NHSaves Home Energy Audit, where a certified professional will use tools like a blower door test and thermal imaging to pinpoint exactly where your home is losing energy and provide a customized insulation plan.