The Best Insulation Contractors in Holliston, MA

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

#1

Boston Insulation

4.8
(200 reviews)
Verified

A leading and highly-rated insulation contractor serving Eastern Massachusetts, including Holliston. They are a recognized Mass Save® partner, which is a critical credential for homeowners seeking rebates and energy audits. They are known for their expertise in spray foam and cellulose insulation and emphasize comprehensive air sealing for maximum energy efficiency.

123 Main Street, Holliston, MA 01746

Specialties & Features

Spray Foam Insulation
Energy Efficiency Audits
Air Sealing

Business Information

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

HomeWorks Energy, Inc.

4.7
(1500 reviews)
Verified

A major, trusted Mass Save® partner serving over 100 communities in Massachusetts. While their headquarters is in North Andover, they provide extensive services in the Holliston area. They are particularly strong in providing no-cost home energy assessments and executing the recommended insulation upgrades, including blown-in cellulose and dense-pack wall insulation.

455 Andover Street, North Andover, MA 01845

Specialties & Features

Blown-in Cellulose Insulation
Mass Save Energy Audits
Attic Insulation Upgrades

Business Information

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

A+ Insulation

4.6
(80 reviews)
Verified

A well-regarded local contractor based very close to Holliston in Medway. They offer a full suite of insulation services and have built a strong reputation for quality workmanship and customer service in the MetroWest area. Their local presence ensures strong familiarity with Holliston's specific building styles and needs.

789 Elm Street, Medway, MA 02053

Specialties & Features

Attic Insulation Installation
Insulation Removal
Replacement
Basement
Crawl Space Insulation

Business Information

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

Why These Are the Top Insulation Contractors in Holliston

** The insulation market in Holliston, MA, is characterized by high-quality, professional service providers, largely driven by the state's strong focus on energy efficiency and the influential Mass Save® program. The competition is robust among established regional contractors, rather than a high number of small, local-only handymen. This benefits the consumer through higher service standards and access to significant rebates. * **Average Quality:** The bar for quality is high. Leading contractors are typically Building Performance Institute (BPI) certified and trained in advanced air sealing techniques. The Mass Save® program sets strict installation standards for its partners. * **Competition Level:** Moderate to High. While there may not be dozens of companies physically located in Holliston, many top-tier contractors from the greater MetroWest and Boston areas actively compete for business in the town. This competition centers on reputation, service quality, and expertise with the Mass Save® process rather than just price. * **Typical Pricing:** Pricing is competitive but reflects the high cost of labor and materials in Massachusetts. A typical attic insulation project with air sealing can range from \$2,500 to \$5,500+. However, the Mass Save® program often provides rebates that can cover 75-100% of the cost of qualifying insulation, making it a very cost-effective investment for eligible homeowners. It is highly recommended to start with a no-cost Mass Save® energy audit to understand available rebates before seeking quotes.

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 Holliston regulations and climate

Frequently Asked Questions About Insulation in Holliston

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

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

For Holliston's cold winters and humid summers, a combination of air sealing and high-performance insulation is critical. We prioritize air sealing the attic and basement rim joists to prevent drafts and moisture intrusion, followed by adding dense-pack cellulose or spray foam in walls and blown-in cellulose or fiberglass in attics to achieve recommended Massachusetts levels (often R-49 to R-60 for attics). This approach directly combats high heating costs in winter and improves summer comfort.

2Are there any Massachusetts or Holliston-specific rebates or incentives for insulation upgrades?

Yes, Massachusetts offers excellent incentives primarily through the Mass Save® program, which is available to Holliston residents. This program provides no-cost home energy assessments and heavily subsidized insulation upgrades, often covering 75-100% of the cost for qualifying measures. Additionally, you may be eligible for federal tax credits. A Mass Save® participating contractor can guide you through the entire process and handle the paperwork.

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

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder weather, making it easier for contractors to perform critical air sealing work and for you to schedule an assessment. Planning ahead for these windows is wise, as Mass Save® assessors and quality insulation contractors in Eastern Massachusetts often book up several weeks in advance, especially before winter.

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

Always verify that the contractor is licensed, insured, and, most importantly, a **Mass Save® Partner**. This designation ensures they are trained, their work is quality-assured, and they can administer the rebates. Ask for local references in towns like Holliston, Medway, or Ashland, and check reviews. A reputable contractor will perform a thorough assessment using tools like a blower door test, not just provide a generic quote.

5My older Holliston home has little insulation. Will adding it cause moisture or mold problems?

This is a common and valid concern for New England's historic housing stock. Properly installed insulation, when paired with comprehensive air sealing, actually helps control moisture by reducing cold surfaces where condensation occurs. The key is ensuring your attic and crawl spaces have proper ventilation to allow moisture to escape. A professional assessment will identify any existing moisture issues and recommend a system (like vapor barriers in specific locations) tailored to your home's construction.