The Best Insulation Contractors in Charlton, MA

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

#1

HomeWorks Energy

4.8
(1 reviews)
Verified

A leading Mass Save partner, HomeWorks Energy is a major provider of energy efficiency services in Massachusetts. They are highly recognized for their no-cost Mass Save Home Energy Assessments and for facilitating significant rebates and 0% financing on insulation upgrades. Their focus is squarely on whole-home energy savings.

10 State St., Woburn, MA 01801 (Serves Charlton and all of MA)

Specialties & Features

Blown-in insulation installation
Energy efficiency audits
Air sealing services

Business Information

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

A+ Insulation

4.7
(180 reviews)
Verified

A well-established, family-owned contractor specializing exclusively in insulation. They have a strong reputation for professional service, expertise in all insulation types, and deep knowledge of the Massachusetts building code. They are a certified installer for leading brands like Owens Corning.

16 McCarty Dr., Brockton, MA 02301 (Serves Central & Eastern MA, including Charlton)

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Basement and crawl space insulation

Business Information

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

Mass Energy Insulation

4.6
(90 reviews)
Verified

A local, dedicated insulation company serving Central Massachusetts. They are praised in customer reviews for their attention to detail, clean work, and effective solutions for improving home comfort. They offer a comprehensive range of services from new installation to removal and replacement.

15 Brooks School Dr., Leicester, MA 01524 (Adjacent town to Charlton)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Blown-in cellulose insulation

Business Information

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

Why These Are the Top Insulation Contractors in Charlton

The insulation market in Charlton, MA, is characterized by high demand driven by the state's focus on energy efficiency, volatile energy costs, and a housing stock containing many older, under-insulated homes. The market is competitive, but the competition is primarily from regional providers based in nearby Worcester County cities and the Greater Boston area, rather than from a high density of local Charlton-based shops. The **average quality** of service is high, as most reputable contractors are well-versed in the strict Massachusetts energy codes and are participating contractors in the **Mass Save®** program. This program is a dominant market force, offering heavily subsidized insulation projects, which raises the standard for professional installation and auditing. **Typical pricing** is moderate to high, reflecting the skilled labor and quality materials required. However, the Mass Save rebates can reduce customer costs by 75-100% for qualifying air sealing and insulation measures, making it very accessible. For projects outside the program (like full spray foam or basement encapsulation), homeowners can expect costs ranging from **$1,500 for a simple attic blow-in to $5,000+ for wall insulation or $10,000+ for full basement and crawl space solutions with spray foam.**

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 Charlton regulations and climate

Frequently Asked Questions About Insulation in Charlton

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

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

For Charlton's cold winters and humid summers, a combination of air sealing and high-performance insulation is critical. We recommend focusing on the attic first, using blown-in cellulose or fiberglass to achieve at least R-49, and ensuring basement rim joists and walls are properly sealed and insulated to prevent cold drafts and moisture issues common in Worcester County. Properly addressing these areas significantly improves comfort and energy efficiency year-round.

2How much does insulation installation typically cost for a home in Charlton, MA?

Costs vary based on home size, insulation type, and areas treated, but a typical attic insulation project in Charlton ranges from $1,500 to $3,500. It's important to get itemized quotes from local providers, as Massachusetts offers rebates and incentives through the Mass Save® program that can cover 75-100% of insulation costs for eligible homeowners, dramatically reducing your out-of-pocket expense.

3When is the best time of year to schedule insulation work in Charlton?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Central Massachusetts, which is optimal for work in attics and crawlspaces. Scheduling during these shoulder seasons also ensures your home is fully prepared before the harsh winter cold sets in, and it helps you avoid the busy peak season for contractors.

4What should I look for when choosing an insulation contractor in Charlton?

Always verify the contractor is licensed in Massachusetts and insured. Crucially, choose a Mass Save® participating partner, as this certification ensures they follow strict program guidelines and can facilitate your rebates. Ask for local references in the Charlton or Sturbridge area and ensure they conduct a thorough energy assessment before proposing work, as this is required for rebate eligibility.

5My older Charlton home is drafty. Will new insulation alone solve my comfort problems?

Not entirely. In many of Charlton's historic homes, air leakage is a major culprit. A comprehensive approach that includes professional air sealing of gaps, cracks, and bypasses (especially in attics and basements) is essential before adding insulation. This combined strategy is the most effective way to stop drafts, improve temperature consistency, and reduce energy bills, and it is the standard protocol supported by Mass Save® incentives.