Compare the highest-rated insulation professionals in Williston, Vermont. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, locally-owned contractor specializing in comprehensive home performance and insulation solutions. They are known for their expertise in spray foam and dense-pack cellulose, and they work closely with Efficiency Vermont to help homeowners access rebates and incentives. Their services often include energy audits to diagnose and treat a home's specific needs.
Evergreen focuses on whole-home energy solutions, making them a strong choice for integrated insulation and air sealing projects. They are a Building Performance Institute (BPI) certified company, which underscores their commitment to industry best practices for health, safety, and effectiveness. They are well-versed in both new construction and retrofit projects.
As the name implies, this provider is a specialist in spray foam applications, offering both open-cell and closed-cell solutions. They have extensive experience insulating complex areas like cathedral ceilings, rim joists, and crawl spaces. Their focused expertise makes them a go-to for specific high-performance insulation projects.
** The insulation market in Williston and the greater Burlington area is robust and quality-focused, driven by Vermont's cold climate and high energy costs. There is a strong emphasis on energy efficiency, supported by state-wide programs like Efficiency Vermont, which offers rebates and guidance. The competition level is moderate to high, with several established, reputable contractors vying for business. These companies are typically well-versed in local building codes and the specific challenges of insulating older New England homes. Typical pricing is on the higher end of the national average, reflecting the skilled labor, quality materials, and detailed work required. For example, attic insulation projects can range from $1,500 to $4,500, while full-home spray foam installations can easily exceed $10,000. However, the long-term energy savings and available rebates make these investments financially viable for many homeowners. The overall quality of service is high, with most top-tier providers holding professional certifications (like BPI) and focusing on comprehensive home performance rather than just material installation.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Williston regulations and climate
Get answers to common questions about insulation services in Williston, Vermont.
For our cold Vermont winters, air sealing and attic insulation are the top priorities to prevent heat loss. We recommend achieving high R-values, typically R-49 to R-60 for attics, using materials like blown-in cellulose or fiberglass. Properly insulating basement rim joists and walls is also critical to combat drafts and moisture issues common in our region.
The ideal time for most insulation projects in Williston is late spring through early fall (May to October). This allows for attic work without extreme heat or cold, and ensures basements and crawl spaces are accessible before frost sets in. Scheduling during this off-peak period can also lead to better availability from local contractors.
Yes, Vermonters have excellent access to incentives. Homeowners should first utilize a no-cost Home Energy Assessment through Efficiency Vermont, which provides customized recommendations and significant rebates for approved insulation work. Williston residents may also qualify for additional financing options like the Home Energy Loan program to manage upfront costs.
Prioritize Vermont-based contractors with proven experience in our climate's specific challenges, such as managing ice dams and moisture. Ensure they are certified by Efficiency Vermont as a Registered Energy Professional, carry proper licensing and insurance, and provide detailed quotes that include air sealing—a must for our windy winters.
Absolutely. Ice dams are a classic sign of insufficient attic insulation and air leakage, which cause heat to escape and melt snow unevenly. A comprehensive approach that includes air sealing the attic floor and increasing insulation to the recommended R-value will directly address the root cause, improving comfort, reducing energy bills, and preventing roof damage.