The Best Insulation Contractors in Underhill, VT

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

#1

Green Mountain Insulation

4.8
(110 reviews)
Verified

A leading insulation contractor in Vermont, highly specialized in dense-pack cellulose and spray foam applications. They are well-regarded for their deep expertise in energy-efficient building practices and are often recommended for complex projects involving air sealing and whole-home performance upgrades. They are known for their professionalism and knowledge of local utility rebates.

56 Creek Rd, Williston, VT 05495 (Serves Underhill)

Specialties & Features

Blown-in cellulose insulation
Spray foam insulation
Air sealing services

Business Information

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

Vermont Foam Insulation

4.7
(90 reviews)
Verified

As the name implies, this provider is a specialist in spray foam insulation for both residential and commercial properties. They are recognized for their technical proficiency with high-performance foam products and their work on new construction and major retrofits. They also offer comprehensive attic and basement insulation services to create a complete thermal envelope.

36 Joy Dr, South Burlington, VT 05403 (Serves Underhill)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Attic insulation installation and upgrade

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Maple Leaf Insulation

4.6
(80 reviews)
Verified

A reputable, full-service insulation contractor serving Northern Vermont. They offer a wide range of insulation types, including fiberglass batts, blown-in fiberglass, and mineral wool, making them a versatile choice for various budgets and project needs. They are often praised for their clear communication, fair pricing, and reliable service on standard insulation upgrades and replacements.

1236 US Route 2, South Hero, VT 05486 (Serves Underhill)

Specialties & Features

Attic insulation installation and upgrade
Wall insulation services
Insulation removal and replacement

Business Information

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

Why These Are the Top Insulation Contractors in Underhill

** The insulation market serving Underhill, VT, is characterized by high demand for quality and performance, driven by Vermont's cold climate and high heating costs. The competition is moderate, consisting of a handful of established regional specialists rather than a saturated market. The average quality of service is high, as contractors must be well-versed in modern building science and local energy codes to meet homeowner expectations and qualify for state and utility rebates (e.g., from Efficiency Vermont). Typical pricing is at a premium compared to national averages, reflecting the higher cost of labor and materials in the region, as well as the technical expertise required. For a standard attic air sealing and blown-in cellulose insulation project, homeowners can expect prices to range from **$2,500 to $5,500**. Spray foam applications are significantly more expensive, often ranging from **$6,000 to $15,000+** for a full attic or basement, but offer superior air sealing and R-value per inch. The market strongly favors contractors who can demonstrate expertise in comprehensive air sealing and building envelope optimization, not just material installation.

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 Underhill regulations and climate

Frequently Asked Questions About Insulation in Underhill

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

1How does Underhill's climate affect my insulation choices and recommended R-values?

Underhill experiences cold, snowy winters with significant heating degree days, making high R-values critical for energy efficiency and comfort. For attics in our climate zone (Zone 6), the U.S. Department of Energy recommends R-49 to R-60, while walls typically need R-20 to R-21. We often recommend air sealing and dense-pack cellulose or spray foam to combat air infiltration common in older Vermont homes, which is just as important as the insulation R-value itself.

2What is the best time of year to install or upgrade insulation in my Underhill home?

While insulation can be installed year-round, late summer and early fall are ideal in Underhill. This timing allows the upgrade to be completed before the harsh winter sets in, so you can immediately benefit from reduced heating costs. Scheduling during this period also ensures better availability from local contractors before the seasonal rush, though interior projects like basement rim joists or walls can be tackled even in winter.

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

Yes, Vermont offers excellent incentives primarily through Efficiency Vermont. As a homeowner in Underhill, you can access rebates for adding insulation to attics, walls, and basements, which significantly reduce the upfront cost. Many local insulation contractors are registered with Efficiency Vermont and can handle the application process for you, ensuring you receive the correct rebate for materials like dense-pack cellulose, fiberglass, or spray foam that meet their specifications.

4What should I look for when choosing a local Underhill or Chittenden County insulation contractor?

Prioritize contractors with deep experience in Vermont's older home stock, as many Underhill homes have unique construction challenges. Ensure they are licensed, insured, and specifically offer a comprehensive energy audit or blower door test to identify air leaks. It's also wise to choose a provider who is a registered Efficiency Vermont Trade Ally, as this confirms they understand local program requirements and performance standards.

5My home is drafty and has ice dams on the roof every winter. Can insulation help?

Absolutely. Ice dams are a common issue in Underhill due to heat escaping from a poorly insulated and air-sealed attic, which melts snow that then refreezes at the eaves. The solution involves air sealing all penetrations into the attic (like light fixtures and plumbing stacks) and adding sufficient insulation to the attic floor to keep the roof deck cold. Addressing this not only prevents ice dams but also improves comfort and reduces your heating oil or propane bill significantly.