The Best Insulation Contractors in Bath, NH

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

#1

ReArch Company

4.8
(150 reviews)
Verified

A leading energy efficiency and construction company serving New Hampshire and Vermont. They are recognized for their high-performance building expertise, offering comprehensive insulation and air sealing services as part of whole-home energy upgrade solutions. They are well-versed in state and utility rebates.

86 Lake St, St. Johnsbury, VT 05819 (Serves the Bath, NH area)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

North Country Insulation

4.7
(80 reviews)
Verified

A specialized insulation contractor based in the North Country region. They focus primarily on retrofit and new construction insulation projects, known for their work with blown-in and batt insulation. They are a go-to provider for attic and wall insulation upgrades in older homes common to the area.

75 Maynesboro St, Berlin, NH 03570 (Serves the Bath, NH area)

Specialties & Features

Blown-in insulation installation
Attic insulation
Wall insulation services

Business Information

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

Granite State Insulation

4.6
(120 reviews)
Verified

A well-established insulation contractor serving a wide area of New Hampshire, including the North Country. They offer a full range of insulation services and have experience with various insulation types, including cellulose, fiberglass, and spray foam. They also handle insulation removal.

234 Charles St, Rochester, NH 03867 (Serves the Bath, NH area)

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Attic insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Bath

** The insulation market serving Bath, New Hampshire, is characterized by a reliance on regional contractors rather than local, in-town providers. Due to Bath's small population and rural nature, homeowners must typically hire companies from larger nearby hubs like Littleton, Berlin, St. Johnsbury, VT, or even the Lakes Region. The competition is moderate among these regional players, with a focus on quality and expertise to justify travel. The average quality of service is high, as the harsh New England climate creates a strong demand for effective, durable insulation solutions. Contractors operating in this market are generally well-versed in dealing with the specific challenges of older New England homes, such as stone foundations, balloon framing, and historic preservation concerns. There is a significant emphasis on air sealing as a complementary service to insulation. Typical pricing is at a premium compared to more urban areas due to travel time and the cost of materials. However, this is often offset by the availability of energy efficiency rebates and incentives from New Hampshire utilities like Liberty Utilities and the NHSaves program, which most of the top-tier providers are qualified to administer. Homeowners should expect to invest in a professional energy audit to maximize the effectiveness of any insulation project and to qualify for potential rebates.

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 Bath regulations and climate

Frequently Asked Questions About Insulation in Bath

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

1What is the most important type of insulation for my Bath home given our local climate?

For Bath's cold, humid winters and variable seasons, creating a continuous thermal and air barrier is crucial. We prioritize air sealing and attic insulation (like blown-in cellulose or fiberglass) to prevent heat loss and ice dams, which are common in the White Mountains region. Properly insulating your basement or crawlspace walls is also vital to combat ground moisture and cold floors.

2Are there specific local regulations or rebates in New Hampshire I should know about before insulating?

While Bath itself may not have unique codes, New Hampshire follows the International Residential Code (IRC) and has strict energy codes for new builds and major renovations. Importantly, New Hampshire homeowners can access significant rebates and incentives through NHSaves, sponsored by the state's major utilities, which can substantially offset the cost of adding insulation and air sealing.

3When is the best time of year to get insulation installed in Bath?

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

4How do I choose a reliable insulation contractor in the Bath area?

Look for a contractor licensed in New Hampshire with specific experience in our climate. They should perform a detailed energy assessment (often using a blower door test) to identify your home's specific needs. Ask for local references in Bath or nearby towns like Woodsville or Haverhill, and verify they are familiar with NHSaves program requirements to help you secure rebates.

5My older Bath home is drafty. Will adding insulation alone solve my comfort and high heating bill problems?

Not entirely. In historic New England homes, air leakage is often the primary issue. The most effective strategy is a combination of **air sealing first**, then adding insulation. This addresses the drafts directly and prevents moist indoor air from entering wall cavities, where it can condense and cause mold or rot—a key concern in our humid climate. This two-step process delivers the greatest comfort and energy savings.