The Best Insulation Contractors in Sullivan, ME

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

#1

Evergreen Home Performance

4.8
(180 reviews)
Verified

A leading home performance and energy efficiency contractor for Downeast Maine. They specialize in comprehensive energy audits and implementing holistic solutions that combine advanced insulation (like dense-pack cellulose and spray foam) with expert air sealing to maximize home comfort and reduce energy bills. They are well-versed in state and utility rebate programs.

21 Downeast Hwy, Ellsworth, ME 04605 (Approx. 15 miles from Sullivan)

Specialties & Features

Energy efficiency audits
Blown-in cellulose insulation
Air sealing services

Business Information

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

Seal It Right - Insulation & Weatherization

4.7
(90 reviews)
Verified

A specialized contractor focused primarily on insulation and building envelope improvements. They are known for their meticulous work in both new construction and existing homes, offering a range of materials including spray foam and fiberglass batts. They have strong expertise in insulating challenging areas like crawl spaces and cathedral ceilings.

22 Oak Point Rd, Trenton, ME 04605 (Approx. 20 miles from Sullivan)

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

Hancock County Insulation

4.5
(70 reviews)
Verified

A local, family-owned contractor that has been serving the Hancock County area for many years. They provide reliable and cost-effective insulation solutions, with a strong focus on attic insulation upgrades and blown-in insulation for walls. They are a great option for straightforward insulation projects and are known for their punctuality and clear communication.

P.O. Box 483, Ellsworth, ME 04605 (Serves the Sullivan area)

Specialties & Features

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

Business Information

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

Why These Are the Top Insulation Contractors in Sullivan

** The insulation market serving Sullivan, Maine, is characterized by a regional model where a handful of established contractors based in larger hubs like Ellsworth and Trenton provide services to the surrounding smaller towns. The competition level is moderate; while there are not dozens of providers, the existing companies are highly specialized and reputable. The average quality of service is very high, as these contractors must adhere to Maine's strict building codes and energy efficiency standards, and many are accredited partners with Efficiency Maine, the state's energy program. Typical pricing is influenced by the high cost of materials and the rural nature of the area, which can add travel time to project costs. As a rough guide: * **Blown-in Cellulose Attic Insulation:** $1,500 - $3,500 * **Spray Foam Insulation (closed-cell):** $1.00 - $1.50 per board foot (material + labor) * **Whole-House Air Sealing & Insulation:** $5,000 - $15,000+ (highly variable based on home size and scope). Homeowners are strongly advised to utilize the free energy audits offered by many of these providers and to investigate rebates and financing available through **Efficiency Maine**, which can significantly offset the upfront cost of insulation upgrades.

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 Sullivan regulations and climate

Frequently Asked Questions About Insulation in Sullivan

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

1What are the most important types of insulation for my Sullivan home given Maine's climate?

For Sullivan's cold, humid climate with significant heating demands, air sealing and attic insulation are the top priorities to prevent heat loss and ice dams. We recommend high R-value materials like spray foam for air sealing and dense-pack cellulose or fiberglass batts for attics and walls, targeting R-49 for attics and R-20 for walls as per Maine's energy code. Properly insulating your basement or crawlspace is also critical to protect against ground moisture and cold floors.

2How does the seasonal weather in Sullivan impact the best time to schedule insulation work?

While insulation can be installed year-round, late spring through early fall (May to October) is ideal in Sullivan. This avoids the deep cold that can affect certain materials like spray foam and allows for proper attic ventilation during installation. However, scheduling in the shoulder seasons can be easier and addressing insulation before winter is a priority to reduce heating oil costs, so many local contractors work through milder winter periods.

3Are there any local Sullivan or Maine-specific rebates or incentives for upgrading my home's insulation?

Yes, Efficiency Maine Trust offers significant rebates for insulation upgrades that improve your home's thermal envelope, which are available to all Sullivan residents. These include rebates for air sealing, attic, wall, and basement insulation that meet specific performance standards. Additionally, you may qualify for federal tax credits. A reputable local installer will be familiar with these programs and can help you complete the necessary energy assessments.

4What should I look for when choosing an insulation contractor in the Sullivan area?

Choose a contractor licensed by the State of Maine (a "MHIC" license for home improvement work) and insured. Look for specific experience with older Downeast homes, which are common in Sullivan and often have unique moisture and ventilation challenges. Ask for local references and ensure they conduct a thorough energy audit or assessment before providing a quote, as blanket pricing without diagnostics is a red flag in our climate.

5My Sullivan home is older and feels drafty. Will adding insulation alone solve my comfort and high heating bill problems?

Not necessarily. In older Maine homes, air leakage is often the primary issue, accounting for up to 30% of heat loss. Insulation works best when paired with comprehensive air sealing to stop drafts from bypassing the insulation. A professional assessment will identify leaks around windows, doors, sill plates, and attic penetrations. Addressing both together is the most effective strategy for comfort and reducing your reliance on expensive heating oil or propane.