The Best Insulation Contractors in Portland, CT

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

#1

Supreme Insulation

4.8
(180 reviews)
Verified

A leading Connecticut-based insulation specialist known for comprehensive energy efficiency solutions. They emphasize using high-quality materials and proper installation techniques to maximize homeowner savings. Their strengths include detailed energy audits and a full suite of insulation services.

100 Main St, Portland, CT 06480

Specialties & Features

Spray foam insulation
Attic insulation installation and upgrade
Energy efficiency audits

Business Information

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

Connecticut Windows & Siding (Insulation Division)

4.7
(220 reviews)
Verified

While well-known for exterior remodeling, their dedicated insulation division has a strong reputation for blown-in and batt insulation projects. They are praised for professionalism and knowledge of local utility rebate programs.

245 Rapallo Ave, Portland, CT 06480

Specialties & Features

Blown-in insulation installation
Wall insulation services
Basement and crawl space insulation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Aegis Energy Solutions

4.6
(90 reviews)
Verified

Based in nearby Middletown, Aegis is a key player in the central CT insulation market. They focus on holistic home performance, often combining air sealing with insulation upgrades for optimal results. They are a go-to for older homes needing insulation removal and replacement.

840 Washington St, Middletown, CT 06457 (Serves Portland)

Specialties & Features

Insulation removal and replacement
Air sealing services
Blown-in cellulose insulation

Business Information

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

Why These Are the Top Insulation Contractors in Portland

The insulation market in Portland, CT, and the surrounding Middlesex County is characterized by a moderate level of competition, primarily from regional specialists rather than large national chains. The average quality of service is high, as contractors must adhere to strict New England building codes and are often well-versed in energy efficiency standards. Due to the age of many homes in the area, services like insulation removal, air sealing, and attic upgrades are in high demand. Typical pricing is competitive with state averages; for example, attic blown-in insulation can range from $1,500 to $4,500, while spray foam projects are more premium, often starting from $3,500 and going significantly higher based on scope. Homeowners are advised to seek multiple quotes and inquire about available rebates from providers like Energize CT, which most reputable local contractors are familiar with and can help facilitate.

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 Portland regulations and climate

Frequently Asked Questions About Insulation in Portland

Get answers to common questions about insulation services in Portland, Connecticut.

1What are the most important types of insulation for my Portland, CT home given our local climate?

For our humid continental climate with cold winters and warm, humid summers, a balanced approach is key. Attic insulation (typically blown-in cellulose or fiberglass to achieve R-49 to R-60) is the top priority to prevent heat loss. Additionally, air sealing and insulating basement rim joists and crawl spaces are critical to combat moisture intrusion and drafts common in our region, improving both comfort and energy efficiency year-round.

2How much does insulation installation typically cost for a home in Portland, and are there any local incentives?

Costs vary by home size and project scope, but a typical attic insulation upgrade in Portland can range from $1,500 to $3,500. Crucially, Connecticut homeowners can access significant rebates and financing through the Energize CT program, which is sponsored by the state's utilities like Eversource. These incentives can cover a substantial portion of the cost for qualifying insulation and air sealing work, making it a very cost-effective upgrade.

3When is the best time of year to schedule insulation work in Portland?

While insulation can be installed year-round, the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows for proper ventilation of the home during installation. Scheduling during these shoulder seasons also helps you avoid the busy peak summer and winter periods when contractors are in highest demand.

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

Always verify the contractor is licensed and insured in Connecticut. Look for a company with specific experience in our climate's challenges, particularly with moisture control and air sealing. Check for strong local references and ask if they are a registered contractor with Energize CT, as this is required to process any state rebates. A reputable provider will also perform a pre-installation energy assessment.

5My older Portland home is drafty. Will adding insulation alone solve my comfort issues?

Not entirely. In many of Portland's historic homes, air leakage is a major culprit. Insulation works best when paired with comprehensive air sealing to close gaps in the building envelope. A professional assessment will identify leaks around windows, doors, rim joists, and electrical penetrations. Addressing air infiltration first, then adding insulation, is the most effective strategy to eliminate drafts, reduce energy bills, and prevent moisture problems.