The Best Insulation Contractors in South Hero, VT

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

#1

Efficiency Vermont Network Contractor (Representative: Evergreen Home Performance)

4.8
(180 reviews)
Verified

Evergreen Home Performance is a leading energy efficiency contractor in Northwestern VT and a proud partner of Efficiency Vermont. They specialize in whole-home energy solutions, combining advanced insulation techniques with comprehensive air sealing to maximize comfort and reduce energy bills. Their expertise in accessing and managing state and utility rebates is a significant strength for homeowners.

128 Pinecrest Dr, Colchester, VT 05446 (Serves South Hero)

Specialties & Features

Spray foam insulation
Blown-in insulation
Energy efficiency audits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Vermont Foam Insulation

4.7
(95 reviews)
Verified

As the name implies, this company is a specialist in spray foam applications, both open-cell and closed-cell. They have a strong reputation for technical expertise in complex insulation projects, including cathedral ceilings, basement walls, and crawl spaces. They are well-versed in Vermont's building codes and the specific challenges of insulating homes in a cold, lake-affected climate.

42 Island Circle, Essex Junction, VT 05452 (Serves South Hero)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Farrell Insulation

4.6
(110 reviews)
Verified

A well-established, family-owned insulation contractor serving Chittenden and Franklin Counties, including the Champlain Islands. They offer a wide range of services from traditional batt and blown-in insulation to more modern solutions. They are known for their reliability, clear communication, and quality workmanship on both new construction and retrofit projects.

75 Commerce St, Williston, VT 05495 (Serves South Hero)

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in South Hero

The insulation market serving South Hero, Vermont, is characterized by high-quality, specialized contractors rather than a high volume of local competition. Due to the state's cold climate and strong energy efficiency programs (primarily through Efficiency Vermont), the bar for expertise and quality is high. Homeowners are generally dealing with established companies from nearby hubs like Colchester, Essex Junction, and Williston. **Average Quality:** The quality of service is typically very high, with most leading contractors holding relevant building performance certifications (e.g., BPI) and being well-versed in building science. **Competition Level:** Moderate. While there aren't dozens of companies, the existing competition is strong and professional. Contractors often differentiate themselves through specialization (e.g., spray foam vs. cellulose) or by offering comprehensive home performance packages. **Typical Pricing:** Pricing is at a premium compared to national averages, reflecting the high cost of living, specialized skills required, and quality materials used. As a rough guide: * **Blown-in Cellulose/Fiberglass Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (whole house):** $10,000 - $20,000+ * **Wall Insulation (drill-and-fill):** $2,000 - $5,000 It is highly recommended that homeowners obtain at least two quotes and inquire directly about available rebates from Efficiency Vermont, which can significantly offset the project cost.

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 Hero regulations and climate

Frequently Asked Questions About Insulation in South Hero

Get answers to common questions about insulation services in South Hero, Vermont.

1What are the most important types of insulation for my South Hero home, considering our local climate?

For South Hero's cold Vermont winters and humid summers, air sealing and attic insulation are the top priorities to prevent heat loss and ice dams. We strongly recommend spray foam or dense-pack cellulose in walls and attics to achieve high R-values (R-49 for attics, R-21 for walls is a common target) and create an effective air barrier. Properly insulating your basement or crawlspace is also critical, as uninsulated foundations are a major source of heat loss and moisture issues in our region.

2When is the best time of year to schedule insulation work in South Hero?

The ideal time is late spring through early fall (May to October). This allows for optimal conditions for materials like spray foam to cure and for contractors to safely access attics and crawlspaces without extreme cold or heat. While some work can be done in winter, scheduling early is key, as local contractors book up quickly in the fall as homeowners prepare for the harsh Champlain Valley winter.

3Are there any local rebates or incentives for insulation upgrades in South Hero?

Yes, Vermont has excellent incentives. All residents, including those in South Hero, can access rebates and 0% financing through Efficiency Vermont, the state's energy efficiency utility. These incentives significantly offset the cost of air sealing and adding insulation, particularly for older homes. We recommend checking their website for current offers and ensuring your contractor is a registered Efficiency Vermont Trade Ally to streamline the process.

4How do I choose a reliable insulation contractor in the Grand Isle County area?

Look for a licensed and insured contractor with specific experience in Vermont's climate and older home construction common in South Hero. Verify they are an Efficiency Vermont Trade Ally, ask for local references, and ensure they conduct a thorough energy audit or assessment before providing a quote. A reputable provider will explain how they will address South Hero's specific challenges, like wind-driven moisture off Lake Champlain and maximizing solar heat gain in winter.

5My home is drafty and has ice dams. Will adding more attic insulation solve the problem?

Not by itself. Ice dams are a clear sign of air leakage and heat loss into the attic space from the living areas below. The solution requires a comprehensive approach: first, professional air sealing of all penetrations (wires, pipes, lights) in the attic floor is absolutely essential. *Then*, adding the proper amount of insulation (like blown-in cellulose to R-49) will work effectively. Skipping the air sealing step is a common and costly mistake that will not resolve the core issue.