The Best Insulation Contractors in Wilmington, VT

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

#1

Ross Solar & Insulation

4.8
(110 reviews)
Verified

A highly reputable, full-service energy efficiency contractor. They are a certified Efficiency Vermont trade ally, meaning they are experts in the latest energy-saving technologies and can help homeowners access state rebates and incentives. Their service range is comprehensive, covering insulation, air sealing, and energy audits, making them a one-stop shop for home performance.

2321 US-5, Dummerston, VT 05301 (Approx. 25 miles from Wilmington)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Energy efficiency audits

Business Information

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

D.H. Bader & Sons, Inc.

4.6
(75 reviews)
Verified

A long-standing, family-owned contracting business with a strong reputation throughout Southern Vermont. They offer a wide range of services, including dedicated insulation installation. Their longevity and broad construction expertise make them a trusted choice for insulation projects, particularly in existing homes and renovations.

1471 US-7, Bennington, VT 05201 (Approx. 30 miles from Wilmington)

Specialties & Features

Attic insulation
Wall insulation
Basement and crawl space insulation

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Spray Foam Insulation USA - Vermont

4.7
(90 reviews)
Verified

As a franchise of a national brand, this provider brings specialized, high-level expertise specifically in spray foam applications. They are an excellent choice for homeowners seeking the maximum air-sealing and R-value benefits of closed or open-cell foam. They service a wide region and are a common choice for projects in the mountain towns of Southern Vermont.

Services all of Vermont, based in the Burlington area. (Willing to travel to Wilmington)

Specialties & Features

Spray foam insulation
Insulation removal
Air sealing services

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Wilmington

The insulation market serving Wilmington, Vermont, is characterized by a reliance on regional contractors from larger population centers like Brattleboro and Bennington, rather than local in-town providers. The quality of service is generally high, as Vermont's climate and strong energy efficiency programs (like Efficiency Vermont) foster a market of knowledgeable and certified professionals. Competition is moderate; while there aren't dozens of companies, the existing providers are established and reputable. Homeowners benefit from this environment as contractors must maintain high standards to compete. Typical pricing is above the national average, reflecting the higher cost of living, the specialized skills required for cold-climate construction, and the travel distance to service areas like Wilmington. However, the availability of state and utility rebates through Efficiency Vermont can significantly offset the initial cost of insulation and air sealing projects, making comprehensive energy upgrades more accessible for homeowners.

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 Wilmington regulations and climate

Frequently Asked Questions About Insulation in Wilmington

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

1What is the recommended insulation level (R-value) for attics in Wilmington, VT, and why is it so high compared to other regions?

For attics in our climate zone (Zone 6), the U.S. Department of Energy recommends an R-value of R-49 to R-60. This high requirement is due directly to Wilmington's long, severe winters in the Green Mountains, where temperatures frequently drop well below zero. Properly meeting this R-value is critical for preventing significant heat loss through the roof, reducing ice dams on your eaves, and lowering your substantial winter heating bills.

2How does Wilmington's humid summer and snowy winter climate affect the choice of insulation material?

Wilmington's high humidity in warmer months makes moisture resistance a top priority. Materials like closed-cell spray foam are excellent as they act as an air and vapor barrier, preventing moist indoor air from condensing within walls. For blow-in or batt insulation, proper air sealing and vapor retarders are non-negotiable to avoid mold and rot, which are common risks in Vermont's variable climate.

3Are there any local rebates or incentives in Vermont to help offset the cost of insulation upgrades?

Yes, Vermonters have excellent access to incentives. Efficiency Vermont, our statewide energy utility, offers cash-back rebates for adding insulation to meet specific R-value targets. Additionally, you may qualify for 0% financing through the Home Energy Loan program. It's crucial to work with a contractor registered with Efficiency Vermont to ensure your project is eligible for these significant savings.

4What is the best time of year to schedule insulation work in Wilmington?

While insulation can be installed year-round, the ideal periods are late spring (May-June) and early fall (September-October). These times avoid the peak summer humidity that can complicate certain installations and the deep winter cold that makes attic work challenging and can delay materials. Scheduling during these shoulder seasons ensures better availability from local contractors before the pre-winter rush.

5When choosing a local insulation contractor, what Vermont-specific qualifications should I look for?

Always verify the contractor is an Efficiency Vermont Trade Ally, as this is a mark of quality and knowledge of state-specific programs and building science. They should also be well-versed in the Vermont Residential Building Energy Standards (RBES). Choose a provider with extensive experience in our region's older home stock, as many Wilmington homes require customized solutions for historic features like stone foundations or balloon framing.