The Best Insulation Contractors in Shrewsbury, MA

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

#1

HomeCraft Insulation

4.9
(180 reviews)
Verified

A highly-rated, locally-owned and operated insulation specialist focusing on comprehensive home performance upgrades. They are known for their detailed energy audits and expertise in both spray foam and dense-pack cellulose insulation. Their strength lies in a holistic approach to home sealing and insulation.

50 Boston Turnpike, Shrewsbury, MA 01545 (This is a common commercial plaza; they are a local tenant)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Mass Energy Experts

4.8
(150 reviews)
Verified

Specializes in making homes more energy-efficient through advanced insulation solutions and air sealing. They are well-versed in state and utility rebate programs (like Mass Save) and are a certified partner for many of these initiatives, helping homeowners secure significant financial incentives.

Serves Shrewsbury from a central location in Central MA. (Physical office is in a nearby town, but they are a primary service provider for Shrewsbury).

Specialties & Features

Blown-in insulation installation
Insulation removal and replacement
Mass Save rebate expertise

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Wise Energy Home Solutions

4.7
(90 reviews)
Verified

As a leading Mass Save partner, Wise Energy provides no-cost home energy assessments and heavily discounted insulation services. They are a go-to contractor for homeowners looking to utilize the Mass Save program for attic, wall, and basement insulation upgrades and air sealing.

15 A St, Worcester, MA 01603 (Located in adjacent Worcester, a primary service hub for Shrewsbury)

Specialties & Features

Attic insulation installation and upgrade
Mass Save program insulation
Basement and crawl space insulation

Business Information

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

Why These Are the Top Insulation Contractors in Shrewsbury

The insulation market in Shrewsbury, MA, is robust and highly competitive, driven by the town's mix of historic and newer homes and the strong presence of state-sponsored energy efficiency programs like Mass Save. The average quality of service is high, as contractors must meet specific standards to participate in these rebate programs. Competition is strong among local and regional providers, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project; a basic Mass Save-sponsored attic insulation upgrade can cost a homeowner as little as a few hundred dollars after rebates, while a full-home spray foam installation without rebates can range from $8,000 to $20,000+. The market is characterized by a high demand for energy audits and air sealing, which are often prerequisites for maximizing insulation rebates.

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 Shrewsbury regulations and climate

Frequently Asked Questions About Insulation in Shrewsbury

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

1What are the most cost-effective insulation upgrades for my older Shrewsbury home, and are there any local rebates?

For Shrewsbury's historic homes, air sealing and adding attic insulation (typically blown-in cellulose or fiberglass to R-49 or higher) often provide the best return on investment by stopping heat loss through the roof. Massachusetts offers excellent incentives, including 0% HEAT Loans and rebates through Mass Save, which can cover 75-100% of insulation costs for eligible homeowners. Always schedule a no-cost Mass Save home energy assessment first to identify priorities and unlock these subsidies.

2When is the best time of year to install insulation in Shrewsbury, and how long does it typically take?

The ideal time is during the shoulder seasons of spring (April-May) or fall (September-October) to prepare for extreme summer heat or harsh New England winters. Most residential projects, like attic or wall insulation, are completed in 1-2 days by a professional crew. It's wise to schedule your Mass Save assessment well in advance, as demand peaks before winter, and quality local contractors book up quickly.

3Are there any specific building codes or considerations in Shrewsbury I should know about before insulating?

Yes, insulation work in Shrewsbury must comply with the Massachusetts State Building Code, which is based on the International Residential Code (IRC) and includes strict energy conservation provisions (Chapter 1152). A key local consideration is managing moisture; given our humid summers and cold winters, proper vapor retarder installation is critical to prevent mold. Reputable local contractors will pull any required permits from the Shrewsbury Building Department and ensure compliance.

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

First, ensure they are a licensed Massachusetts Construction Supervisor and a participating Mass Save partner contractor, which is required for rebates. Look for established local companies with strong reviews, proper insurance, and membership in organizations like the Building Performance Professionals Association (BPPA). Always get 2-3 detailed quotes that specify the R-value, materials, and air sealing scope, not just a total price.

5My house feels drafty and my energy bills are high in winter. Should I focus on the attic, walls, or basement first?

In Shrewsbury's climate, prioritizing the attic (including air sealing bypasses) is almost always the first and most effective step, as heat rises and escapes rapidly through an under-insulated roof. Next, address the basement rim joists and walls to stop cold air infiltration from the foundation. Finally, consider wall insulation (like dense-pack cellulose) if the attic and basement are sealed. A Mass Save assessment will use a blower door test to scientifically pinpoint your home's largest air leaks.