The Best Insulation Contractors in New Bedford, MA

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

#1

Silva Insulation

4.8
(180 reviews)
Verified

A highly-rated, locally-owned and operated company that is a certified Mass Save® partner. They specialize in comprehensive home performance upgrades, with a strong focus on insulation and air sealing. Their expertise in navigating Mass Save rebates and financing makes them a top choice for homeowners seeking significant energy savings.

125 Union St, New Bedford, MA 02740

Specialties & Features

Blown-in insulation installation
Air sealing services
Energy efficiency audits

Business Information

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

Eversource Insulation & Home Performance

4.7
(120 reviews)
Verified

While based in a neighboring town, this company has a very strong presence and excellent reputation for serving the South Coast region, including New Bedford. They are another certified Mass Save® partner, emphasizing their commitment to energy efficiency. They offer a wide array of insulation solutions.

26 Sconticut Neck Rd, Fairhaven, MA 02719 (Serves New Bedford)

Specialties & Features

Attic insulation installation and upgrade
Spray foam insulation
Insulation removal and replacement

Business Information

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

South Shore Insulation

4.6
(90 reviews)
Verified

A well-established regional contractor that reliably serves the New Bedford area. They have built a solid reputation for professionalism and quality workmanship across a broad range of insulation types, including more specialized services like basement and crawl space encapsulation.

55 Accord Park Dr, Rockland, MA 02370 (Serves Southeastern MA, including New Bedford)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in New Bedford

The insulation market in New Bedford is robust and highly influenced by the state's energy efficiency programs, primarily Mass Save®. This has elevated the average quality of service providers, as homeowners often seek out certified partners to access significant rebates and 0% financing. The competition is strong among a mix of dedicated local specialists and larger regional companies that serve the South Coast area. Due to the city's older housing stock and coastal climate, there is high demand for services addressing air leakage, moisture control, and upgrading outdated or insufficient insulation. Typical pricing is moderate to high, reflecting the skilled labor and materials involved. Basic attic blown-in cellulose insulation for a standard home can start in the range of $1,500 - $3,000 before rebates, while more comprehensive whole-home air sealing and insulation projects or spray foam applications can range from $5,000 to $15,000+. The Mass Save® program typically offers rebates that can cover 75-100% of the cost of insulation for income-eligible households and up to 75-90% for others, making these services highly accessible.

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 Bedford regulations and climate

Frequently Asked Questions About Insulation in New Bedford

Get answers to common questions about insulation services in New Bedford, Massachusetts.

1What is the best type of insulation for my older home in New Bedford, given our coastal climate?

For New Bedford's historic homes, which often have irregular framing and need moisture management, dense-pack cellulose or blown-in fiberglass are excellent choices. These materials fill cavities completely, reducing air leaks that drive up heating costs in our cold, damp winters. It's also wise to consider adding or upgrading attic insulation to at least R-49, as recommended for Massachusetts Climate Zone 5, to combat significant heat loss.

2Are there any local rebates or incentives in Massachusetts to help with the cost of insulation?

Yes, Massachusetts offers excellent incentives primarily through the Mass Save® program. As a New Bedford homeowner, you can qualify for a no-cost home energy assessment, which includes some free insulation, and receive rebates covering 75-100% of insulation project costs. Additionally, the state's 0% HEAT Loan can finance larger upgrades, making improvements very affordable while reducing your National Grid or Eversource bills.

3When is the ideal time of year to get insulation installed in New Bedford?

While insulation can be installed year-round, the best times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather, which is crucial for proper installation of materials like spray foam. Scheduling during these shoulder seasons also ensures your home is fully prepared before the peak heating season of our harsh New England winter arrives.

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

Always verify that the contractor is licensed in Massachusetts as a Construction Supervisor (for structural work) or a Home Improvement Contractor. Choose a Mass Save® partnering contractor to ensure they are qualified for incentive work. Look for local companies with strong reviews and ask for proof of insurance, as they will be working in your home's sensitive areas like attics and walls.

5My house feels drafty near the harbor. Will insulating the attic and walls help with this, and what about moisture?

Absolutely. Air sealing and insulating your attic (the biggest source of drafts) and walls are the most effective ways to stop the cold, damp winds coming off Buzzards Bay and the Acushnet River. A professional contractor will also assess and address moisture ventilation, which is critical in our coastal climate to prevent mold and ensure the insulation performs properly for decades.