The Best Insulation Contractors in Still River, MA

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

#1

Energy Shield Insulation

4.8
(180 reviews)
Verified

A leading regional insulation contractor specializing in high-performance spray foam and cellulose insulation. They are a Mass Save® partner, allowing them to perform energy audits and offer significant rebates and financing. Known for their expertise in air sealing and creating tight building envelopes for both new construction and existing homes.

125 Ayer Road, Harvard, MA 01451 (Serves Still River)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

A1 Insulation

4.7
(220 reviews)
Verified

A well-established, full-service insulation company with a strong reputation across Central Massachusetts. They offer a comprehensive range of insulation services, from attic and wall insulation to basement and crawl space encapsulation. They are praised for their professional crews, thorough clean-up, and knowledge of local building codes.

500 Main Street, Leominster, MA 01453 (Serves Still River)

Specialties & Features

Blown-in insulation installation
Basement and crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Mass Energy Experts

4.6
(150 reviews)
Verified

This company focuses heavily on home performance and energy efficiency upgrades. As a licensed Mass Save® partner, they provide official Home Energy Assessments and are experts at identifying and fixing a home's biggest sources of energy loss through insulation and air sealing. They are particularly skilled in complex attic and wall insulation projects in older New England homes.

75 Lunenburg Street, Fitchburg, MA 01420 (Serves Still River)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Still River

The insulation market in and around Still River, MA, is characterized by high-quality, specialized contractors rather than a high volume of competition. Due to the rural nature of the area and the prevalence of older homes, the demand is for contractors with deep expertise in energy efficiency retrofits and understanding of New England climate challenges. The market is not saturated, but the providers that do serve the area are typically well-established and highly professional. **Average Quality:** The bar for service quality is high. Homeowners in this region expect thorough work, professional project management, and a deep understanding of building science. **Competition Level:** Moderate. While there aren't dozens of companies, the few that operate here are highly competent and compete on expertise, service quality, and their ability to maximize Mass Save® rebates for customers. **Typical Pricing:** Pricing is competitive with the greater Boston and Central MA region. A standard attic blown-in cellulose job might range from $1,500 - $3,500 after rebates, while a full-home spray foam application can be a significant investment of $10,000+, though it offers the highest R-value and air sealing benefits. The Mass Save® program dramatically influences the market, making comprehensive insulation upgrades more affordable for homeowners and driving demand for accredited partners.

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 Still River regulations and climate

Frequently Asked Questions About Insulation in Still River

Get answers to common questions about insulation services in Still River, Massachusetts.

1What are the most important insulation upgrades for Still River homes given our local climate?

For Still River's cold Massachusetts winters and humid summers, air sealing and attic insulation are the most critical upgrades. We recommend achieving at least R-49 to R-60 in your attic with blown-in cellulose or fiberglass to meet Zone 5 requirements. Properly sealing air leaks around windows, doors, and penetrations is equally vital to prevent heat loss and manage moisture, which can be a significant issue in our region.

2How does the timing of insulation work in Still River, and are there seasonal considerations?

The best time for insulation projects in Still River is typically late spring through early fall, as attics and crawlspaces are more accessible and comfortable for work. However, air sealing and interior wall insulation can be done year-round. Planning ahead is key, as late fall can be a busy period for contractors as homeowners prepare for winter. Scheduling in the off-season may also provide more flexibility and potential scheduling advantages.

3Are there any Massachusetts or local rebates or incentives for insulation in Still River?

Yes, Massachusetts offers excellent incentives primarily through the Mass Save® program. As a Still River homeowner, you are eligible for a no-cost home energy assessment, which includes free air sealing and heavily discounted insulation upgrades—often covering 75-100% of the cost. Additionally, federal tax credits may apply for certain materials. We strongly recommend starting with a Mass Save assessment to maximize your savings.

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

Always verify that the contractor is a licensed Massachusetts Construction Supervisor and, crucially, is a Mass Save® Partner. Partner contractors are trained to program standards and can ensure your work qualifies for rebates. Look for strong local references, proper insurance, and ask if they perform a blower door test before and after air sealing to quantitatively measure the improvement in your home's airtightness.

5My older Still River home has stone foundations and plaster walls. Are there special insulation concerns? **Question:** My older Still River home has stone foundations and plaster walls. Are there special insulation concerns?

Absolutely. Older homes in Still River require a careful, moisture-managed approach. For stone foundations, interior insulation must be vapor-open (like mineral wool) to allow moisture to dry, preventing rot and mold. Insulating plaster walls often requires specialized dense-pack cellulose injected from the exterior or interior, which minimizes damage. A contractor experienced in historic New England homes will assess your specific ventilation and moisture dynamics to recommend a safe, effective solution.