The Best Insulation Contractors in Lancaster, NH

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

#1

Lancaster Insulation & Coating

4.8
(95 reviews)
Verified

A highly-rated, locally-owned and operated contractor specializing in comprehensive insulation solutions for both residential and commercial properties. They are known for their expertise in modern spray foam and blown-in cellulose, with a strong focus on improving home energy efficiency and comfort in the harsh North Country climate.

156 Main Street, Lancaster, NH 03584

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

North Country Insulation

4.6
(130 reviews)
Verified

Serving the North Country for over two decades, this provider has built a solid reputation for reliability and quality workmanship. They offer a full suite of insulation services, with particular strength in attic projects and insulation removal. They are well-versed in local building codes and are a trusted name for older home upgrades in the region.

45 Union Street, Berlin, NH 03570 (Serves Lancaster area)

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Air sealing services

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

White Mountain Energy Solutions

4.7
(80 reviews)
Verified

This company takes a holistic, whole-house approach to home performance. While they excel in all types of insulation installation, their standout service is the comprehensive energy audit, which identifies air leaks and inefficiencies before any work begins. They are experts in basement, crawl space, and wall insulation, making them ideal for complex retrofit projects.

112 Cottage Street, Littleton, NH 03561 (Serves Lancaster area)

Specialties & Features

Energy efficiency audits
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in Lancaster

** The insulation market in Lancaster, NH, and the surrounding North Country is characterized by a few highly specialized, local contractors who understand the demands of a severe climate with cold winters. The competition is not saturated, but the existing providers are established, reputable, and busy, reflecting a strong local demand for energy efficiency upgrades. The average quality of service is high, as these contractors rely heavily on word-of-mouth and long-term community reputation. Typical pricing is generally at or slightly above the national average, influenced by the rural location, travel costs, and the high-performance standards required for New England building codes. Homeowners can expect to pay a premium for advanced materials like spray foam, but the investment is often offset by significant savings on heating bills due to the climate. There is a strong focus on air sealing as a complementary service to insulation, which is critical for preventing ice dams and moisture issues common in the region. Many providers are also knowledgeable about state and utility rebate programs, such as those from NHSaves, which can help defray project costs.

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 Lancaster regulations and climate

Frequently Asked Questions About Insulation in Lancaster

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

1What are the most important insulation upgrades for my Lancaster home given the local climate?

For Lancaster's cold, humid winters with temperatures often dropping below -20°F, air sealing and attic insulation are the top priorities. Properly air sealing gaps and adding attic insulation to at least R-49 (or higher for cathedral ceilings) dramatically reduces heat loss and prevents ice dams. Basement rim joist and crawl space insulation are also critical to combat ground frost and moisture prevalent in the Great North Woods region.

2How does the seasonal weather in the White Mountains affect the best time to schedule insulation work?

While insulation can be installed year-round, late spring through early fall (May to October) is ideal. This avoids the deep snow and extreme cold of a Lancaster winter, which can complicate exterior work like dense-packing walls and make material delivery difficult. Scheduling during this drier period also allows contractors to properly assess and address any moisture issues in your home's building envelope before winter sets in.

3Are there any local or state-specific rebates or incentives for insulation in New Hampshire?

Yes, New Hampshire homeowners can access significant incentives through the NHSaves program, which is funded by a charge on utility bills. For example, you can receive rebates for air sealing and adding insulation that meet specific performance levels. It's crucial to use a participating NHSaves contractor who will perform the required pre- and post-installation testing to qualify your Lancaster home for these rebates, which can offset hundreds of dollars in costs.

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

Prioritize local contractors with extensive experience in New Hampshire's climate and building styles, including older homes common in the North Country. Ensure they are licensed and insured in NH, and specifically ask if they are a qualified NHSaves Trade Ally to help you access rebates. Request local references and verify they perform a thorough assessment, including a blower door test, to pinpoint your home's specific air leakage issues.

5My energy bills are very high in winter. Will adding insulation alone solve this problem?

Insulation is a major part of the solution, but in Lancaster's climate, a comprehensive approach is best. High bills often stem from a combination of insufficient insulation and significant air leakage. A professional energy audit (which may be subsidized by NHSaves) is the first step to identify all sources of heat loss, including drafts, under-insulated attics, and poorly sealed basements. The most effective strategy pairs targeted air sealing with upgrading insulation to recommended Northern New England R-values for a complete thermal barrier.