The Best Insulation Contractors in New Boston, NH

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

#1

ResNet Insulation

4.8
(180 reviews)
Verified

ResNet Insulation is a highly-rated, full-service insulation contractor serving Southern NH. They specialize in comprehensive home performance upgrades, including energy audits, air sealing, and advanced insulation solutions like dense-pack cellulose and spray foam. They are well-known for their expertise in achieving high levels of energy efficiency.

127 Rockingham Rd, Windham, NH 03087 (Serves New Boston)

Specialties & Features

Blown-in cellulose insulation
Air sealing
Energy efficiency audits

Business Information

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

Granite State Insulation Services

4.7
(110 reviews)
Verified

A dedicated insulation company with a strong focus on both residential and commercial projects. They offer a wide range of services from traditional fiberglass batt installation to modern spray foam and blown-in insulation, emphasizing proper installation techniques for maximum R-value.

287 Lincoln St, Manchester, NH 03103 (Serves New Boston)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Insulation removal and replacement

Business Information

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

A-1 Foam & Co. LLC

4.6
(90 reviews)
Verified

While specializing in spray foam application, A-1 Foam & Co. has expanded its services to include other insulation types and air sealing. They are recognized for their technical knowledge of spray foam and its application in creating tight building envelopes, which is critical for New England climates.

44 Tsienneto Rd, Derry, NH 03038 (Serves New Boston)

Specialties & Features

Spray foam insulation
Air sealing
Attic insulation installation and upgrade

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in New Boston

** The insulation market in and around New Boston, NH, is characterized by a mix of specialized insulation contractors and broader home performance companies. Due to the town's older housing stock and the severe New England winters, there is strong demand for energy efficiency upgrades. The market competition is moderate, with a handful of highly reputable regional players dominating the space. These top-tier companies are distinguished by their professional certifications (e.g., BPI), knowledge of local utility rebates (like those from NHSaves), and expertise in addressing complex air sealing and moisture control issues common in the region. Typical pricing is competitive but reflects the high quality of materials and labor. As a rough guide, attic insulation projects can range from $1,500 to $4,500, wall insulation from $2,000 to $8,000, and spray foam applications are a premium service, often costing $3,000 to $8,000 or more depending on the scope. Most reputable providers offer free estimates and can assist homeowners in navigating available energy efficiency rebates and financing options.

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 New Boston regulations and climate

Frequently Asked Questions About Insulation in New Boston

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

1What are the most important types of insulation for my New Boston home, given our local climate?

For our cold New Hampshire winters and humid summers, a layered approach is key. We highly recommend air sealing combined with attic insulation (typically blown-in cellulose or fiberglass to achieve at least R-49) and basement or crawlspace insulation to prevent cold floors. Properly insulating your home's envelope is critical for energy efficiency and comfort against New Boston's temperature extremes.

2How much does insulation installation typically cost for a home in the New Boston area?

Costs vary significantly by home size, existing conditions, and materials, but for a standard 2,000 sq. ft. home, whole-house attic and wall insulation can range from $3,500 to $8,000. It's important to get a detailed, in-person assessment, as many older New Boston homes have unique construction that affects pricing. Remember, New Hampshire's high energy costs mean quality insulation often pays for itself in heating bill savings within a few years.

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

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is important for certain installations like spray foam, and they come before the peak heating season rush. Scheduling during these windows ensures contractors are more available and allows you to have your home sealed and ready before the harsh New England winter sets in.

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

Yes, New Hampshire homeowners have excellent incentives. The primary program is through NHSaves, which offers rebates for air sealing and adding insulation that meets specific performance standards. Additionally, New Boston residents should check with their local utility provider (like Eversource or Liberty Utilities) for direct rebates and with the Town Office for any local energy efficiency initiatives or property tax incentives.

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

Always verify they are licensed and insured in New Hampshire. Look for contractors experienced with the specific challenges of older New England homes, such as stone foundations or balloon framing common in the area. Choose a provider who conducts a thorough energy audit (often with a blower door test) first, provides a detailed written quote, and can clearly explain how their plan meets the recommended R-values for our climate zone (Zone 6).