The Best Insulation Contractors in Brewster, MA

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

#1

Cape Cod Insulation, Inc.

4.8
(150 reviews)
Verified

A highly specialized and well-regarded contractor focusing exclusively on insulation and air sealing. They are a recognized partner in the Mass Save® program, which is critical for homeowners seeking rebates and no-cost energy assessments. Their expertise is particularly valued for handling complex projects in Cape Cod's unique climate and older home styles.

25 Commerce Park Rd, Unit #4, Harwich, MA 02645

Specialties & Features

Spray foam insulation
Blown-in insulation
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Energy Solutions & Design, LLC

4.7
(80 reviews)
Verified

This company stands out for its comprehensive, whole-house approach to energy efficiency. They often begin with detailed energy audits to diagnose issues before proposing solutions. Their services are integrated, meaning they expertly combine air sealing with the correct type and amount of insulation for maximum performance, making them a top choice for deep energy retrofits.

1350 Phinney's Ln, Hyannis, MA 02601

Specialties & Features

Energy efficiency audits
Insulation removal and replacement
Basement and crawl space insulation

Business Information

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

All Star Insulation

4.6
(100 reviews)
Verified

A reliable and established contractor known for a wide range of insulation services. They are another Mass Save® participating contractor, providing confidence in their workmanship and knowledge of available incentives. They receive consistent praise for professionalism, clear communication, and effective installation of both traditional and modern insulation materials.

11 Enterprise Rd, Hyannis, MA 02601

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Blown-in insulation

Business Information

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

Why These Are the Top Insulation Contractors in Brewster

** The insulation market in Brewster and the wider Cape Cod region is characterized by high demand driven by older housing stock, harsh coastal winters, and a population that is increasingly focused on reducing energy costs and improving home comfort. The competition level is moderate, with a handful of established, high-quality providers dominating the market. These top-tier companies are typically Mass Save® partners, which is a key differentiator for consumers seeking trusted expertise and access to significant rebates. Typical pricing is at a premium compared to national averages, reflecting the higher cost of living and business operations on Cape Cod. However, the Mass Save® program often subsidizes 75-100% of the cost for qualified insulation projects, making it highly accessible. For a standard attic air sealing and blown-in cellulose insulation job, the out-of-pocket cost after rebates for a 1,500 sq ft attic can range from $1,500 to $3,000, whereas a full home spray foam application can be a significant investment of $10,000+, albeit with dramatic energy savings. Homeowners are advised to start with a no-cost Mass Save® energy audit to understand their specific needs and rebate eligibility.

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 Brewster regulations and climate

Frequently Asked Questions About Insulation in Brewster

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

1What is the best type of insulation for my older home in Brewster, given our coastal climate?

For Brewster's humid coastal climate and many historic homes, spray foam and dense-pack cellulose are often top choices. Spray foam provides an excellent air and moisture barrier, crucial for managing humidity, while dense-pack cellulose is ideal for retrofitting older walls without major demolition. A professional assessment is key, as the best solution depends on your home's specific construction, moisture levels, and existing insulation.

2How much does attic insulation typically cost in Brewster, MA?

For a standard attic in Brewster, adding blown-in cellulose or fiberglass insulation to achieve the recommended R-49 (for our Climate Zone 5) typically costs between $1,500 and $3,500, depending on attic size, material, and accessibility. Pricing can be higher for spray foam or complex attic layouts. Always get multiple itemized quotes, and remember that Massachusetts offers rebates and financing programs like Mass Save®, which can cover 75-100% of the cost for qualified insulation upgrades.

3When is the optimal time of year to schedule insulation work in Brewster?

The fall (September to November) is generally the ideal time, as temperatures are mild and contractors are readily available before the winter rush. This timing allows you to seal and insulate your home before Brewster's cold, windy winters set in, maximizing immediate energy savings. While insulation can be installed year-round, scheduling in late summer or early fall ensures the work is completed comfortably before peak heating season.

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

Prioritize contractors who are licensed, insured, and specifically certified by the Mass Save® program, as this is required to perform work for the state's incentive programs. Look for local experience with Cape Cod's building styles and climate, and always ask for references from recent projects in the area. A reputable contractor will provide a detailed energy assessment and proposal before any work begins.

5My house feels drafty near the foundation. Is insulating my basement or crawlspace important in Brewster?

Absolutely. Insulating and air-sealing your basement rim joists and crawlspace is one of the most effective upgrades for Brewster homes, as it stops cold air infiltration from the ground and coastal winds. This not only improves comfort but also protects plumbing from freezing during our cold snaps. Given the high water table and potential for moisture in our area, proper vapor barriers and moisture control are critical components of any below-grade insulation project.