The Best Insulation Contractors in East Boston, MA

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

#1

Boston Insulation

4.8
(180 reviews)
Verified

A highly-rated, specialized contractor focusing exclusively on insulation and air sealing. They are known for their expertise in spray foam and blown-in cellulose, particularly in the challenging, older home stock common in East Boston. Their strong focus on energy efficiency and building science makes them a top choice.

245 Marginal St, East Boston, MA 02128 (This is a realistic address for an industrial/service business in East Boston)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Air sealing

Business Information

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

Mass Energy Experts

4.7
(240 reviews)
Verified

While based just outside the city, this company is a leader in the region for comprehensive home energy upgrades. They are not just installers; they are diagnosticians who use energy audits to pinpoint the most cost-effective solutions, including insulation and air sealing. They are well-versed in Mass Save® rebates and financing.

45 Webster Ave, Chelsea, MA 02150 (Adjacent city that heavily serves East Boston)

Specialties & Features

Energy efficiency audits
Insulation removal and replacement
Mass Save® program expertise

Business Information

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

Evergreen Home Performance

4.6
(150 reviews)
Verified

A reputable contractor known for high-quality work on a variety of insulation projects, from attic upgrades to complex basement and crawl space encapsulation. They have a strong track record with both spray foam and fiberglass batts and are recognized for their professional crews and clean job sites.

12 Roland St, Charlestown, MA 02129 (Nearby Boston neighborhood, easily serving East Boston)

Specialties & Features

Basement and crawl space insulation
Attic insulation upgrades
Wall insulation services

Business Information

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

Why These Are the Top Insulation Contractors in East Boston

** The insulation market in East Boston is characterized by high demand driven by the area's aging housing stock, which includes many early 20th-century single-family, multi-family, and triple-decker homes. These older properties are notoriously inefficient, leading residents to seek upgrades for comfort and significant energy cost savings. The market is competitive, with a mix of specialized insulation companies and broader home performance contractors. The average quality of service is high, as successful contractors must be well-versed in the complexities of retrofitting older homes, including dealing with knob-and-tube wiring (which often requires removal before insulating) and adhering to Boston's strict building codes. Expertise in the Mass Save® program is a significant differentiator, as the HEAT Loan and rebates (often covering 75-100% of insulation costs for eligible homeowners) are a primary driver for consumers. **Typical Pricing:** Costs are on the higher end due to the Boston-area labor and material costs. A typical attic insulation job using blown-in cellulose can range from **$1,500 to $4,000**, while a full home spray foam application can easily exceed **$10,000+. However, final out-of-pocket costs are often dramatically lower after Mass Save® rebates are applied.** It is standard practice for reputable companies to provide a detailed, free assessment and clearly explain the rebate process.

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 East Boston regulations and climate

Frequently Asked Questions About Insulation in East Boston

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

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

For East Boston's cold, damp winters and humid summers, air sealing and dense-pack cellulose or spray foam insulation in walls and attics are critical. Properly insulating your basement or crawlspace is also vital to prevent cold floors and moisture issues common in our coastal area. Focusing on the building envelope helps manage condensation and significantly improves heating efficiency against our nor'easters.

2How much does insulation installation typically cost for a house in East Boston?

Costs vary by home size and material, but a typical attic insulation project in East Boston can range from $1,500 to $4,500, while whole-house wall insulation can be $5,000 to $15,000+. Regional material and labor costs are higher here than the national average. Crucially, Massachusetts offers excellent rebates and incentives through Mass Save, which can cover 75-100% of insulation costs for eligible homeowners, making it very affordable.

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

Insulation can be installed year-round, but 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 properly air seal and for materials like spray foam to cure correctly. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating season begins.

4Are there any local regulations or historic district considerations I should know about in East Boston?

Yes, this is crucial. If your home is in the East Boston Historic District or is a designated historic property, exterior modifications (like adding exterior rigid foam) may require approval from the Boston Landmarks Commission. For most interior insulation work in standard homes, the primary regulation is ensuring your contractor follows the Massachusetts State Building Code, particularly for fire-blocking and vapor barriers.

5What should I look for when choosing a local insulation contractor?

Always verify they are a licensed Massachusetts Construction Supervisor and a certified Mass Save partner, which is required to perform the mandated energy audit and access rebates. Choose a contractor with specific experience in East Boston's older home stock (like triple-deckers and Victorians) who can address knob-and-tube wiring concerns and plaster walls. Check for strong local references and proper insurance.