The Best Insulation Contractors in Leominster, MA

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

#1

Mass Energy Insulation

4.8
(180 reviews)
Verified

A highly-rated, locally-focused company specializing in comprehensive home energy solutions. They are well-known for their professional energy audits and expertise in dense-pack cellulose and spray foam insulation, helping homeowners qualify for Mass Save® rebates.

285 Central St, Leominster, MA 01453

Specialties & Features

Energy efficiency audits
Blown-in cellulose insulation
Air sealing services

Business Information

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

All Seasons Insulation

4.7
(110 reviews)
Verified

A dedicated insulation contractor serving Central MA with a strong reputation for quality work in both residential and commercial properties. They offer a wide range of insulation types and are particularly noted for their attic and basement/crawl space encapsulation services.

45 8th St, Leominster, MA 01453

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Insulation removal and replacement

Business Information

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

Home Insulation & Supply Co., Inc.

4.6
(90 reviews)
Verified

A long-standing, family-owned business based in a neighboring city with a strong presence in the Leominster market. They are recognized for their expertise and supply capabilities, offering everything from basic batt insulation to advanced foam solutions.

99 River St, Fitchburg, MA 01420 (Serves Leominster)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Spray foam insulation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Leominster

** The insulation market in Leominster, MA, is robust and competitive, driven by the state's stringent energy codes and the popular Mass Save® program. The average quality of service is high, as contractors must be licensed and often need specific certifications to perform rebate-eligible work. The competition is a mix of long-standing local specialists and larger regional companies. Due to high demand for energy efficiency upgrades, pricing is typically in line with New England averages. For a standard attic air sealing and dense-pack cellulose insulation, homeowners can expect a range of **$3,500 - $6,500**, but this cost can be significantly offset by Mass Save® rebates and 0% financing, which these top providers are well-versed in facilitating. Spray foam projects command a premium, often starting at **$6,000+** for a single area. The most successful contractors in this market are those who not only perform quality installations but also expertly guide customers through the incentive and 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 Leominster regulations and climate

Frequently Asked Questions About Insulation in Leominster

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

1What is the best type of insulation for my older Leominster home to handle our cold winters?

For the historic homes common in Leominster, dense-pack cellulose or spray foam are often the best solutions for walls and attics. These materials effectively fill irregular cavities and provide superior air sealing, which is critical for combating Massachusetts' harsh winters and reducing heating costs. Blown-in fiberglass is another excellent option for attic floors, offering high R-value to meet the recommended R-49 to R-60 for our climate zone.

2Are there any Massachusetts or local Leominster rebates or incentives for adding insulation?

Yes, Massachusetts offers excellent incentives primarily through the Mass Save® program, which is available to Leominster residents. This includes no-cost home energy assessments and rebates that can cover 75-100% of insulation project costs for eligible upgrades. Additionally, federal tax credits may apply, making insulation improvements in Leominster very cost-effective.

3When is the ideal time of year to schedule insulation work in Leominster?

Insulation can be installed year-round, but the best times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather in Central Massachusetts, which is ideal for attic work and allows for proper curing of certain materials. Scheduling during these shoulder seasons also ensures your home is prepared before the peak heating season begins.

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

Always choose a contractor that is a Mass Save® Partner, as this ensures they are qualified to perform work that qualifies for incentives. Verify they are licensed, insured, and have strong local references. Look for companies experienced with New England construction, as they will understand the specific challenges of older Leominster homes, like balloon framing or knob-and-tube wiring that may need addressing.

5My house feels drafty. Should I add more insulation or focus on air sealing first?

In Leominster's climate, air sealing is the critical first step. Adding insulation on top of significant air leaks is like wearing a sweater unzipped—heat still escapes. A professional energy audit through Mass Save® will identify major leaks (attic hatches, rim joists, around windows) that should be sealed with caulk or foam. After sealing, adding insulation provides its full thermal resistance value, maximizing comfort and energy savings.