Compare the highest-rated insulation professionals in Deer Isle, Maine. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading energy efficiency and insulation contractor for Mid-Coast and Downeast Maine. They are a Building Performance Institute (BPI) accredited contractor known for comprehensive home energy audits and high-quality insulation installations, including advanced air sealing techniques.
Specializes in creating comfortable, energy-efficient homes through professional air sealing and insulation services. They are well-regarded for their work in both new construction and existing homes, with a strong focus on spray foam and blown-in applications.
A full-service insulation contractor serving a wide area of Eastern Maine. They offer a range of insulation types and are known for professional installation, insulation removal, and expertise in retrofitting older homes common to the Deer Isle region.
The insulation market in Deer Isle, Maine, is characterized by a high demand for energy efficiency upgrades due to the region's cold climate and the prevalence of older, historically significant homes that are often under-insulated. There are very few, if any, dedicated insulation contractors physically located on the island itself. The market is served almost exclusively by reputable companies based in nearby hubs like Blue Hill, Ellsworth, Bangor, and the broader Penobscot Bay area. Competition is moderate but specialized, with a focus on quality and expertise over price-cutting. Typical pricing is at a premium compared to national averages, reflecting the high cost of materials, travel, and the skilled labor required for complex retrofits. Homeowners should expect comprehensive energy audits ($400-$700) to be a standard first step, with full-home insulation projects (including air sealing, attic, and wall insulation) often ranging from $8,000 to $20,000+, depending on the home's size, condition, and the materials chosen.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Deer Isle regulations and climate
Get answers to common questions about insulation services in Deer Isle, Maine.
For our cold, damp, and windy coastal climate, air sealing and moisture-resistant insulation are critical. We recommend a focus on spray foam or dense-pack cellulose in walls and attics to create an airtight thermal envelope, and rigid foam insulation for foundations and crawl spaces to combat ground moisture. Properly addressing air leaks is often more important than just adding more insulation material.
The ideal times are late spring (May-June) and early fall (September-October). These periods avoid the peak summer tourist season, which can complicate scheduling and material delivery, and are before the harsh winter weather sets in. Interior projects can be done year-round, but attic work is best scheduled outside of the hottest summer months and the deep cold of winter.
Yes, Efficiency Maine Trust offers significant rebates for home energy upgrades, including insulation and air sealing. As a Maine homeowner, you can access rebates that typically cover 50-75% of project costs up to a cap, and you may also qualify for 0% financing. It's crucial to work with a registered Efficiency Maine Trade Ally contractor to ensure your project is eligible.
Prioritize local contractors with extensive experience in older, coastal New England homes, as they understand the unique challenges of wind-driven moisture and historic structures. Verify they are a registered Efficiency Maine Trade Ally, fully insured, and ask for references from nearby projects. Given our island location, confirm their logistical plan for material delivery and project timelines.
Not entirely. In historic Maine homes, insulation must be part of a comprehensive approach that starts with a professional energy audit to identify the worst air leaks. Insulation without proper air sealing is far less effective. The solution typically combines sealing gaps in the attic, basement, and around windows/doors (a process called "weatherization") with adding the correct type of insulation to work in our humid climate without trapping moisture in walls.