The Best Insulation Contractors in Wiscasset, ME

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

#1

ReVision Energy

4.8
(250 reviews)
Verified

A leading Northern New England energy company that specializes in comprehensive home energy solutions. While renowned for solar, their expertise deeply extends to air sealing, insulation, and home performance audits to create a fully integrated, efficient building envelope. They are a certified B Corporation.

91 Lindbergh St, Portland, ME 04103 (Services Wiscasset from their regional branches)

Specialties & Features

Energy efficiency audits
Air sealing services
Spray foam insulation

Business Information

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

Evergreen Home Performance

4.7
(80 reviews)
Verified

A dedicated home performance contractor focused on improving comfort and reducing energy costs for Midcoast Maine homes. They use a science-based approach, often starting with an energy audit, to diagnose issues and apply solutions like dense-pack cellulose insulation and air sealing.

19 Pleasant St, Woolwich, ME 04579 (Serves Wiscasset and the entire Midcoast region)

Specialties & Features

Blown-in insulation installation
Air sealing services
Energy efficiency audits

Business Information

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

D&C Energy Solutions

4.6
(50 reviews)
Verified

A local contractor providing a wide array of insulation and energy efficiency services. They are well-reviewed for their work on existing homes, particularly in attics, basements, and crawl spaces, and are known for their knowledge of available rebates and incentives.

19 Old Bath Rd, Brunswick, ME 04011 (Actively serves the Wiscasset area)

Specialties & Features

Attic insulation installation and upgrade
Basement and crawl space insulation
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Wiscasset

** The insulation market in Wiscasset, and the broader Midcoast Maine region, is characterized by a high demand for energy efficiency due to the cold climate and the prevalence of older, historic homes. The competition level is moderate, with a handful of highly specialized and reputable providers dominating the market, often supplemented by general contractors who may offer insulation as part of broader renovations. The average quality of specialized providers is very high, with a strong focus on building science, air sealing, and addressing moisture control—a critical concern in coastal Maine. Typical pricing is at a premium compared to national averages, reflecting the high level of expertise required, the cost of materials, and the detailed nature of retrofitting older homes. Homeowners should expect a comprehensive energy audit ($400-$700) to be a common first step. Project costs can range significantly: attic insulation projects might range from $1,500 to $4,000, while a full-home dense-pack wall insulation job can be $5,000-$12,000+. Spray foam, being a high-performance material, commands a higher price but is widely used for air sealing and insulating in one step. Many providers are well-versed in state and utility rebate programs, such as those from Efficiency Maine, which can substantially offset the initial investment.

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 Wiscasset regulations and climate

Frequently Asked Questions About Insulation in Wiscasset

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

1What are the most important insulation upgrades for Wiscasset's climate, and where should I prioritize?

For our cold, damp coastal climate, air sealing and attic insulation are the top priorities. Properly air sealing your home prevents the moist, chilly air from the Sheepscot River and surrounding bays from infiltrating, which is crucial for both comfort and preventing moisture issues. Then, upgrading attic insulation to at least R-49 (as recommended for Maine's Zone 6) will have the biggest impact on retaining heat during our long winters.

2How does the coastal location of Wiscasset affect insulation choices and installation?

Wiscasset's proximity to saltwater means higher humidity and potential for driven rain, making moisture resistance critical. We recommend materials like closed-cell spray foam or dense-pack cellulose that act as air barriers and resist moisture, especially in basements and crawl spaces. Proper vapor barriers and ventilation strategies are also essential to prevent condensation and mold growth within wall assemblies.

3When is the best time of year to get insulation work done in Wiscasset, and how long does it typically take?

The ideal time is late spring through early fall (May to October). This allows for attic work without extreme heat and ensures exterior air sealing can be done effectively before freezing temperatures return. Most single-area projects like an attic or basement can be completed in 1-2 days, while whole-home retrofits may take 3-5 days. Scheduling in the off-season (late fall/winter) is possible for interior work but may have longer wait times.

4Are there any local rebates or incentives for insulation in Wiscasset, Maine?

Yes, Efficiency Maine Trust offers significant rebates for homeowners who improve their home's insulation and air sealing to meet prescribed performance levels. These rebates can cover a substantial portion of the project cost. Additionally, Wiscasset may have specific PACE (Property Assessed Clean Energy) financing options, and all qualifying energy efficiency improvements are exempt from Maine's sales tax. A reputable local installer will help you navigate these programs.

5What should I look for when choosing an insulation contractor in the Wiscasset area?

Choose a contractor licensed by the State of Maine (a "MHIC" number for heating/insulation work) and insured. Look for specific experience with older homes common in Wiscasset, as they require specialized techniques for retrofitting. Ask for local references and ensure they perform a thorough energy audit or assessment before providing a quote, as this is required for most rebates and ensures the solution is tailored to your home's specific needs.