The Best Insulation Contractors in Charlestown, NH

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

#1

Pine Tree Insulation & Air Sealing

4.8
(120 reviews)
Verified

A leading regional provider specializing in comprehensive home performance and insulation services. They are well-known for their expertise in air sealing and blown-in insulation, particularly in attics and walls, to maximize energy efficiency for older New England homes. They often assist homeowners in accessing local utility rebates.

127 Main St, Charlestown, NH 03603

Specialties & Features

Blown-in insulation
Air sealing services
Energy efficiency audits

Business Information

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

Energy Efficiency Solutions (EES)

4.7
(95 reviews)
Verified

This company focuses heavily on building science and whole-home energy solutions. They are a top choice for spray foam applications and complex insulation retrofits in basements and crawl spaces. Their staff includes BPI-certified analysts, ensuring high-quality energy audits.

Serves Charlestown, NH from their Springfield, VT location.

Specialties & Features

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

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Monadnock Spray Foam & Insulation

4.5
(80 reviews)
Verified

A specialized contractor that has built a strong reputation for spray foam and batt insulation installations in new construction and retrofit projects. They are praised for their knowledge of local building codes and their efficient service on both residential and light commercial properties in the Monadnock Region.

Serves Charlestown, NH from their Keene, NH location.

Specialties & Features

Spray foam insulation
Wall insulation services
Attic insulation installation and upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Charlestown

The insulation market in and around Charlestown, NH, is characterized by a small number of highly specialized local and regional contractors rather than a high volume of competition. The quality of service is generally very high, as these companies survive on reputation and word-of-mouth in a rural market. Due to the age of the housing stock in the region, there is significant demand for insulation upgrades, air sealing, and historical home retrofits. Competition is moderate, with providers differentiating themselves through specific expertise like spray foam or comprehensive energy auditing. Typical pricing is competitive with New England averages; a full attic insulation job with air sealing can range from $2,500 to $4,500, while spray foam projects are premium services, often starting at $3,500 and going significantly higher based on scope. Homeowners are increasingly seeking services that qualify for state and utility-sponsored energy efficiency rebates, which the leading providers are adept at navigating.

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 Charlestown regulations and climate

Frequently Asked Questions About Insulation in Charlestown

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

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

For Charlestown's cold New Hampshire winters, focusing on air sealing and attic insulation is critical. We recommend high-performance materials like spray foam for air sealing and dense-pack cellulose or fiberglass batts for attics to prevent significant heat loss. Properly insulating your basement or crawlspace walls is also vital to combat ground frost and moisture common in our region.

2Are there any local or state-specific rebates or incentives for insulation upgrades in New Hampshire?

Yes, New Hampshire homeowners can access excellent incentives through the NHSaves program, which offers rebates for air sealing and adding insulation to meet specified R-value targets. Additionally, the federal Inflation Reduction Act provides tax credits for qualified energy efficiency upgrades. A local, certified contractor can help you navigate these programs to maximize your savings.

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

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for projects like attic work. Scheduling during these shoulder seasons also ensures your home is prepared before the severe winter cold sets in, and contractors' schedules may be more flexible than in peak summer or late fall.

4How do I choose a reputable insulation contractor in the Charlestown area?

Always choose a contractor licensed to work in New Hampshire and insured. Look for companies with specific experience in our climate and ask for local references in Sullivan County. It's also highly recommended to select a contractor who is a certified installer for the products they use and who performs a pre-installation energy assessment to identify your home's specific needs.

5My older Charlestown home is drafty. Should I worry about moisture or mold when adding insulation?

Yes, moisture management is a critical concern, especially in New Hampshire's humid summers and snowy winters. A professional assessment is essential to identify and address existing moisture issues, ensure proper attic and crawlspace ventilation, and select vapor-permeable materials where appropriate. The goal is to create a thermally efficient yet dry building envelope to prevent mold and rot.