The Best Insulation Contractors in Islesford, ME

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

#1

Downeast Energy Solutions

4.8
(120 reviews)
Verified

A leading provider of comprehensive home performance and insulation services in Downeast Maine. They are known for their professional energy audits and high-quality installation of various insulation types, including dense-pack cellulose and spray foam. They are a certified Efficiency Maine Trade Ally, meaning they are experts in navigating state rebates and incentives.

21 Goodridge Circle, Southwest Harbor, ME 04679 (Primary office serving MDI and the islands)

Specialties & Features

Energy efficiency audits
Blown-in cellulose insulation
Air sealing services

Business Information

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

Evergreen Home Performance

4.7
(90 reviews)
Verified

Specializes in making older Maine homes more comfortable and energy-efficient. They offer a full suite of services from insulation and air sealing to heating system upgrades. Their team is highly trained and they emphasize building science to provide lasting solutions, making them a great fit for the historic and varied building stock found on Islesford.

66B Union St, Ellsworth, ME 04605 (Services the entire Downeast region, including islands)

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Wall insulation services

Business Information

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

Hancock County Insulators

4.6
(70 reviews)
Verified

A dedicated insulation contractor with a strong local reputation for reliability and quality workmanship. They focus specifically on insulation installation and are experienced with all the major types, including batt, blown-in, and spray foam. They are a common choice for both new construction projects and retrofit insulation upgrades in the area.

1247 Bucksport Rd, Ellsworth, ME 04605 (Services Hancock County, including the Cranberry Isles)

Specialties & Features

Attic insulation installation and upgrade
Spray foam insulation
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Islesford

** The insulation market serving Islesford, Maine, is characterized by high-quality, specialized contractors who are accustomed to the logistical challenges of working on an offshore island. Due to the ferry-dependent access, project timelines may be extended and costs are generally higher than on the mainland to account for travel, equipment transport, and potential weather delays. The competition is not based on a high volume of local companies, but rather on a select group of established mainland firms that have the capability and willingness to service the island. The average quality of service is very high, as these providers must be versatile and highly skilled to work on the diverse range of homes in the area, from historic summer cottages to modern year-round residences. Typical pricing reflects the premium for specialized skills and island logistics. A standard attic insulation project with blown-in cellulose can range from $1,500 to $3,500, while more complex whole-home air sealing and insulation upgrades with spray foam can easily reach $10,000 - $20,000 or more. Homeowners are strongly advised to consult with providers who are Efficiency Maine Trade Allies to maximize potential rebates and financing options for energy efficiency improvements.

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 Islesford regulations and climate

Frequently Asked Questions About Insulation in Islesford

Get answers to common questions about insulation services in Islesford, Maine.

1What are the most important insulation upgrades for my Islesford home given our coastal Maine climate?

For our cold, damp, and windy coastal climate, air sealing is the top priority to prevent moisture-laden air from entering walls and causing mold. Following that, increasing attic insulation to at least R-49 and ensuring foundation/basement walls are properly insulated are critical. Using moisture-resistant materials like closed-cell spray foam in critical areas can help manage the unique humidity challenges we face on the island.

2How does being on an island like Islesford affect the cost and logistics of an insulation project?

Insulation projects on Islesford typically cost 15-25% more than mainland projects due to ferry transportation fees for materials and equipment, and potential weather-related delays for contractor crews. Scheduling is crucial; many homeowners plan major upgrades for the late spring or early fall to avoid peak summer ferry traffic and the worst of the winter weather, which can halt barge deliveries.

3Are there any local or state of Maine incentives for improving my home's insulation?

Yes, Efficiency Maine Trust offers rebates for insulation upgrades that meet specific performance standards. As an Islesford resident, you may also qualify for targeted programs for high-energy-cost communities. It's essential to work with a registered Efficiency Maine Trade Ally contractor to ensure your project is eligible for these rebates, which can significantly offset your upfront costs.

4What should I look for when choosing an insulation contractor to work on my island home?

Prioritize contractors with proven experience working on the Cranberry Isles or other Maine island communities, as they understand the logistical complexities. They should be fully licensed and insured in Maine and familiar with building codes that address our coastal flood zones and wind-driven rain. Strong local references are invaluable, as they demonstrate reliability in getting crews and materials to the job site on schedule.

5My older Islesford home feels drafty and has ice dams. Will adding more attic insulation solve this?

Adding insulation alone will not solve ice dams; in fact, it can sometimes worsen them if not done correctly. The primary solution is comprehensive air sealing of the attic floor to prevent warm, moist air from your living space from rising into the cold attic. This, combined with proper attic ventilation and adequate insulation, addresses the root cause by keeping the roof deck cold, preventing snow melt and ice dam formation common in our Maine winters.