The Best Insulation Contractors in Windsor, VT

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

#1

Goodwin Energy

4.8
(150 reviews)
Verified

A well-established, family-owned energy efficiency specialist serving Vermont and New Hampshire. They are highly regarded for comprehensive home performance upgrades, including advanced insulation and air sealing, and are experts in navigating state and utility rebate programs.

25 Folsom Tech Park, Springfield, VT 05156 (This is their main office; they serve Windsor.)

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

EverGreen Insulation & Home Performance

4.7
(80 reviews)
Verified

A local contractor focused on improving home comfort and energy savings through high-quality insulation and air sealing. They are known for their professional crews, clear communication, and expertise in both new and existing homes.

Servicing the Upper Valley from White River Junction, VT 05001

Specialties & Features

Blown-in insulation installation
Attic insulation installation and upgrade
Basement and crawl space insulation

Business Information

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

Granite State Insulation

4.6
(100 reviews)
Verified

Based just across the state line in New Hampshire, this provider is a trusted name in the Upper Valley for insulation services. They offer a wide range of insulation types and are proficient in insulation removal and replacement projects.

364 Main St, Claremont, NH 03743 (They actively serve the Windsor, VT area.)

Specialties & Features

Insulation removal and replacement
Wall insulation services
Blown-in insulation installation

Business Information

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

Why These Are the Top Insulation Contractors in Windsor

The insulation market in and around Windsor, VT, is characterized by a small number of highly specialized, regional contractors rather than a high volume of local competition. Due to Vermont's climate and emphasis on energy efficiency, the average quality of service is high, with a strong focus on whole-home performance, air sealing, and leveraging rebates from programs like Efficiency Vermont. Most leading providers are based in nearby hubs like Springfield or White River Junction, VT, and Claremont, NH. Pricing is typically at a premium compared to national averages, reflecting the high level of expertise, quality materials used, and the specialized nature of retrofitting older New England homes. Homeowners should expect detailed energy audits before work begins and quotes that reflect the comprehensive nature of the services offered.

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 Windsor regulations and climate

Frequently Asked Questions About Insulation in Windsor

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

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

For Windsor's cold Vermont winters with significant heating degree days, air sealing and attic insulation are the top priorities to prevent heat loss. Properly insulating basement walls and crawl spaces is also critical to combat ground frost and moisture. We typically recommend high R-value materials like blown-in cellulose or fiberglass for attics and rigid foam or spray foam for foundations to meet or exceed Vermont's recommended insulation levels for our climate zone.

2How much does insulation installation typically cost for a home in Windsor, VT?

Costs vary based on home size, insulation type, and accessibility, but Windsor homeowners can expect to invest between $1,500 to $4,500 for a standard attic insulation project. Whole-house projects involving walls and basements range from $5,000 to $15,000+. It's important to note that Vermont offers incentives like Efficiency Vermont rebates and potential federal tax credits, which can significantly offset your upfront cost for qualified upgrades.

3When is the best time of year to get insulation installed in Windsor?

While insulation can be installed year-round, late summer and early fall are ideal in Windsor. This timing allows you to prepare your home for winter heating season and ensures contractors have greater availability before the busy pre-winter rush. Scheduling during drier months is also beneficial for attic work, as winter snow accumulation on roofs and extreme cold can complicate access and material handling.

4What should I look for when choosing a local insulation contractor in Windsor?

Always verify the contractor is licensed and insured to work in Vermont. Look for local experience with Windsor's older home stock and ask for references from nearby projects. A reputable provider should conduct a thorough energy assessment, discuss compliance with Vermont building codes, and clearly explain eligibility for local utility rebates. Membership in organizations like Efficiency Excellence Network is a strong positive indicator.

5My Windsor home is old and drafty. Will new insulation alone solve my comfort issues?

While new insulation is crucial, in many historic Windsor homes, air sealing is the first and most cost-effective step to address drafts and uneven temperatures. Gaps in attics, basements, and around windows and doors often negate insulation's benefits. A professional assessment will identify these leakage points; combining comprehensive air sealing with appropriate insulation delivers the best comfort and energy savings for our climate.