The Best Insulation Contractors in Randolph, VT

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

#1

Energy Efficiency Solutions

4.8
(120 reviews)
Verified

A leading energy efficiency contractor in Central Vermont, specializing in comprehensive home performance upgrades. They are well-known for their professional audits and holistic approach, ensuring insulation work is complemented by proper air sealing for maximum energy savings. They are a recognized partner of Efficiency Vermont.

46 N Main St, Barre, VT 05641 (Serves Randolph area)

Specialties & Features

Energy efficiency audits
Blown-in insulation
Air sealing services

Business Information

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

Evergreen Home Performance

4.7
(90 reviews)
Verified

Evergreen focuses on making homes healthier, more comfortable, and more efficient. They offer a full suite of insulation services and are particularly adept at handling complex projects in older Vermont homes, including basement and crawl space encapsulation.

25 Bridge St, White River Junction, VT 05001 (Serves Randolph area)

Specialties & Features

Spray foam insulation
Basement and crawl space insulation
Insulation removal and replacement

Business Information

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

Vermont Foam Insulation

4.6
(80 reviews)
Verified

As the name implies, this company is a specialist in spray foam applications, both open-cell and closed-cell. They are a go-to contractor for new construction and major retrofit projects where the superior air-sealing and R-value of spray foam are required. They service the entire state, including Randolph.

56 Joy Drive, Suite 110, South Burlington, VT 05403 (Statewide service area)

Specialties & Features

Spray foam insulation
Wall insulation services
Attic insulation installation and upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Randolph

** The insulation market in Randolph, VT, and the surrounding Central Vermont region is characterized by a small number of highly specialized, quality-focused contractors rather than a high volume of competitors. Due to Vermont's harsh climate and strong energy efficiency incentives, the bar for quality is high. The most successful contractors are typically **Efficiency Vermont** partners, which indicates they adhere to specific performance standards and are knowledgeable about state rebates and financing options. **Competition Level:** Moderate. While there aren't dozens of companies, the existing providers are established, professional, and compete on expertise and service quality rather than price alone. **Average Quality:** The average quality of service is very good to excellent. Contractors are well-versed in the challenges of insulating Vermont's diverse housing stock, which includes many historic and older homes. **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the skilled labor, specialized equipment, and high-quality materials required. However, this is offset by significant long-term energy savings and access to state-level rebates. For example, a full attic air sealing and blown-in cellulose insulation job for a typical home could range from **$3,500 to $6,500+,** while spray foam projects can start at **$6,000+** and go much higher depending on scope. An energy audit typically costs **$400 - $700**, but the cost is often rebated or applied toward subsequent work.

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 Randolph regulations and climate

Frequently Asked Questions About Insulation in Randolph

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

1What is the recommended R-value for attic insulation in a Randolph, VT home?

For our cold Vermont climate zone (Zone 6), the U.S. Department of Energy recommends an attic R-value of R-49 to R-60. Given Randolph's long, harsh winters with average lows in the teens, aiming for the higher end of that range (R-60) is wise for maximizing heat retention and reducing heating costs. This typically translates to about 16-20 inches of blown-in cellulose or fiberglass insulation.

2Are there any local Vermont or Randolph-specific rebates or incentives for adding insulation?

Yes, Vermonters have excellent access to incentives. The primary program is Efficiency Vermont, which offers rebates for insulating attics, walls, and basements when performed by a participating contractor. Additionally, Randolph residents may qualify for income-based weatherization assistance through Capstone Community Action. Always check with your insulation contractor, as they are usually well-versed in the latest local incentive paperwork.

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

Insulation can be installed year-round, but the ideal times are late spring (May-June) and early fall (September-October). These periods typically offer milder, drier weather in Randolph, which is important for projects like wall insulation that may require exterior work. Scheduling during these shoulder seasons also ensures your home is fully prepared before the intense winter cold sets in, and you'll find greater contractor availability than in the peak summer renovation season.

4How do I choose a reliable insulation contractor in the Randolph area?

First, ensure they are licensed and insured to work in Vermont. Look for contractors experienced with our climate who are also "Partner Contractors" with Efficiency Vermont, as this indicates they meet specific performance standards. Ask for local references in Orange County and check reviews. A reputable provider will perform a thorough energy audit or assessment before quoting and should clearly explain the pros and cons of material choices (like dense-pack cellulose, spray foam, or mineral wool) for your specific home.

5My Randolph home has an old stone foundation. Are there special insulation considerations for it? **Question:** My Randolph home has an old stone foundation. Are there special insulation considerations for it?

Absolutely. Historic stone foundations require careful planning to avoid moisture and durability issues. Interior insulation with rigid foam boards designed for below-grade use is a common method, but it's critical to first address any water infiltration and ensure the foundation walls are properly sealed. A local contractor familiar with Vermont's historic homes will know that preserving the building's ability to "breathe" while adding thermal protection is key, and they will avoid techniques that could trap moisture against the stone and cause frost damage or rot.