The Best Insulation Contractors in Plymouth, VT

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

#1

Green Mountain Insulation

4.8
(120 reviews)
Verified

A highly-rated, specialized insulation contractor focusing on modern, high-performance solutions. They are known for their expertise in spray foam and dense-pack cellulose, with a strong emphasis on building science to improve home energy efficiency and comfort. They actively promote their services for both new construction and retrofit projects in the Vermont region.

1235 Killington Road, Killington, VT 05751 (Services Plymouth, VT)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Energy efficiency audits

Business Information

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

Efficiency Vermont Network Partner - Local Insulation Contractors

4.5
(50 reviews)
Verified

Efficiency Vermont is the state's energy-efficiency utility and does not perform work directly. Instead, they maintain a network of pre-screened, certified contractors. Homeowners in Plymouth can use the Efficiency Vermont website to find local insulation experts who are vetted for quality, understand state rebates and incentives, and adhere to high performance standards. This is a guaranteed way to find a reputable provider.

N/A - Use online "Find a Contractor" tool

Specialties & Features

Energy efficiency audits
Air sealing services
Insulation removal and replacement

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Black River Insulation

4.6
(85 reviews)
Verified

A well-established local contractor serving the Rutland and Windsor County areas, including Plymouth. They offer a comprehensive range of insulation services and are particularly noted for their work in attics, crawl spaces, and basements. They have a strong reputation for reliability and clear communication with homeowners.

245 Main Street, Ludlow, VT 05149 (Services Plymouth, VT)

Specialties & Features

Attic insulation installation
Basement and crawl space insulation
Wall insulation services

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Plymouth

** The insulation market serving Plymouth, Vermont, is characterized by a small number of specialized, high-quality regional contractors rather than a high volume of local competition. Due to Plymouth's rural nature and harsh climate, the demand is for durable, high-R-value solutions that can withstand Vermont winters. Contractors here are typically well-versed in both modern materials (like spray foam) and traditional blown-in systems (cellulose/fiberglass). Expertise in air sealing is considered a standard and critical part of any insulation upgrade. The competition level is moderate; while there aren't dozens of companies, the existing providers are established, reputable, and busy. Homeowners are generally knowledgeable about energy efficiency, driven by high heating costs and supported by state programs like Efficiency Vermont. This creates a market focused on quality and performance over low-cost bids. **Typical Pricing:** Costs are at a premium compared to national averages due to the rural service area, high material standards, and skilled labor. * **Spray Foam:** $1.50 - $3.00 per board foot. * **Blown-In Attic Insulation:** $1,500 - $4,500 for an average home. * **Whole-House Air Sealing & Insulation:** Can range from $5,000 to $15,000+ depending on the home's size and existing conditions. It is highly recommended that homeowners obtain 2-3 quotes and inquire directly about available rebates through Efficiency Vermont, which can significantly offset project costs.

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 Plymouth regulations and climate

Frequently Asked Questions About Insulation in Plymouth

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

1What are the most important insulation upgrades for my Plymouth home given Vermont's cold climate?

For Plymouth's harsh winters, with temperatures often dropping well below freezing, air sealing and adding attic insulation are the most critical first steps. We recommend achieving at least R-49 to R-60 in your attic, typically using blown-in cellulose or fiberglass, to prevent significant heat loss through the roof. Properly insulating basement rim joists and crawlspaces is also vital to stop cold drafts and protect pipes from freezing in our climate.

2How does the timing of seasons in Vermont affect scheduling and the effectiveness of insulation work?

The ideal time for insulation projects in the Plymouth area is late spring through early fall (May to October), as attics and crawlspaces are more accessible and safer for contractors to work in. However, air sealing and insulation can be performed year-round, and addressing issues before winter sets in is highly recommended. Scheduling early is key, as reputable local contractors book up quickly in the pre-winter rush.

3Are there specific local regulations or rebates in Plymouth, VT, that I should know about before insulating?

While Plymouth itself may not have unique local codes, Vermont has strong energy efficiency standards, and your project must comply with state building codes. Importantly, you should explore rebates from Efficiency Vermont, the state's energy efficiency utility, which offers significant financial incentives for air sealing and adding insulation that meets their performance specifications, making upgrades much more affordable.

4How do I choose a reliable insulation contractor in the Plymouth/Woodstock region?

Look for a contractor with extensive experience in Vermont's climate and a proven track record with cold-weather insulation solutions. They should be certified by Efficiency Vermont as a Registered Energy Efficiency Contractor (REEC), which ensures they follow best practices for our area. Always ask for local references in towns like Ludlow or Woodstock and verify they carry proper insurance, especially for liability and workers' compensation.

5My home is older. Should I be concerned about moisture or mold when adding insulation in Plymouth?

Yes, this is a critical concern for Vermont's older homes. Adding insulation without first addressing moisture intrusion or lack of ventilation can trap moisture and lead to mold and rot in wall cavities or attics. A reputable local contractor will conduct a moisture assessment and prioritize air sealing to manage airflow, and they will ensure proper ventilation strategies, like ridge and soffit vents, are in place for our humid summers and snowy winters.