The Best Insulation Contractors in South Freeport, ME

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

#1

Evergreen Home Performance

4.8
(180 reviews)
Verified

A leading energy efficiency and insulation contractor in Maine, specializing in whole-home solutions. They are well-known for their comprehensive energy audits and high-quality installation of various insulation types, particularly spray foam and dense-pack cellulose. Their strength lies in a holistic approach to building performance.

28 Westview St, Westbrook, ME 04092 (Serves South Freeport)

Specialties & Features

Energy Efficiency Audits
Spray Foam Insulation
Air Sealing Services

Business Information

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

Northeast Ductless

4.7
(150 reviews)
Verified

While known for heat pump installation, Northeast Ductless has a robust insulation division critical for maximizing the efficiency of their HVAC systems. They offer a wide range of insulation services and are recognized for their professionalism and expertise in both new and existing homes.

99 Bridge Rd, Westbrook, ME 04092 (Serves South Freeport)

Specialties & Features

Blown-In Insulation
Attic Insulation Installation and Upgrade
Wall Insulation Services

Business Information

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

DryHome Basement Systems

4.6
(90 reviews)
Verified

As a franchise of a nationally recognized brand, DryHome brings specific expertise in below-grade insulation and moisture control. They are the go-to provider for basement and crawl space encapsulation and insulation, a critical service for Maine homes. They also handle attic and wall projects.

18 Bradley Dr, Portland, ME 04102 (Serves South Freeport)

Specialties & Features

Basement and Crawl Space Insulation
Insulation Removal and Replacement
Vapor Barrier Installation

Business Information

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

Why These Are the Top Insulation Contractors in South Freeport

The insulation market in South Freeport and the surrounding Greater Portland area is robust and competitive, characterized by a high standard of quality due to Maine's strict energy codes and demanding climate. Homeowners are increasingly investing in energy efficiency to combat high heating costs. The market is dominated by established, full-service performance contractors rather than small, local handymen. Competition is strong, which benefits consumers through competitive pricing and a focus on quality service. Typical pricing can vary widely: blown-in attic insulation can range from $1,500 to $4,500, spray foam can cost $3,000 to $7,500+ for an attic, and a full basement encapsulation with insulation often falls between $5,000 and $15,000. Most reputable companies are adept at navigating local rebates and incentives, such as those from Efficiency Maine.

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 South Freeport regulations and climate

Frequently Asked Questions About Insulation in South Freeport

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

1What is the best type of insulation for my older home in South Freeport, given our cold, damp coastal climate?

For South Freeport's climate, which features cold winters, high humidity, and salty air, a combination of air sealing and moisture-resistant insulation is critical. In older homes, dense-pack cellulose or spray foam (particularly in rim joists and basements) are excellent choices as they provide superior air sealing, which prevents heat loss and mitigates moisture intrusion from coastal dampness. It's also wise to consider materials with borate treatment for added mold and pest resistance, common in Maine's older structures.

2How much should I budget for insulating my attic in South Freeport, and are there any local incentives?

Attic insulation costs in South Freeport typically range from $1,500 to $4,000+, depending on the square footage, existing conditions, and material chosen (blown-in cellulose is very common). Homeowners should always check for current incentives from Efficiency Maine, the state's energy efficiency program, which offers significant rebates for adding insulation that meets their specifications, effectively reducing your final cost by hundreds of dollars.

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

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather, which is crucial for certain insulation materials to cure properly and for contractors to effectively assess and address air leakage. Scheduling in these shoulder seasons also avoids the peak summer demand and the deep winter cold, ensuring better availability and allowing you to prepare your home before the harsh Maine winter sets in.

4What should I look for when choosing a local insulation contractor in the Freeport area?

Prioritize contractors who are deeply familiar with Maine's building codes and the specific challenges of coastal New England homes, such as managing wind-driven moisture and ice dams. Ensure they are licensed and insured in Maine, and ask for local references in South Freeport or nearby towns like Yarmouth or Brunswick. A reputable provider should also conduct a thorough energy audit or assessment and be well-versed in the Efficiency Maine rebate process to guide you through it.

5My house is prone to ice dams; can new insulation really help, and what else should be done?

Yes, proper attic insulation and air sealing are the primary defenses against ice dams, which are common in South Freeport due to snow and fluctuating temperatures. The goal is to keep the attic roof deck cold by preventing warm air from your living space from escaping into the attic. This must be combined with adequate attic ventilation (soffit and ridge vents) to allow cold air to circulate. A local expert will assess your entire roof assembly—insulation, ventilation, and air barriers—as a system to provide a lasting solution.