Compare the highest-rated insulation professionals in Washington, Vermont. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, specialized insulation contractor focused on modern, high-performance solutions. They are well-known for their expertise in spray foam and dense-pack cellulose, and they are a registered partner with Efficiency Vermont, helping homeowners access rebates and incentives.
A full-service home performance company that takes a whole-house approach to energy efficiency. They excel at combining air sealing with insulation upgrades and are experts in diagnosing and treating problem areas in attics, basements, and walls.
As the name implies, this provider is a specialist in spray foam applications, both open-cell and closed-cell. They serve both residential and commercial clients and have a strong reputation for technical knowledge and proper installation techniques, ensuring building code compliance and optimal R-value.
** The insulation market in Washington, Vermont, and the surrounding Central Vermont region is characterized by a small number of high-quality, specialized contractors rather than intense competition. Due to Vermont's cold climate and high heating costs, there is a strong emphasis on energy efficiency, driven in part by state incentives and programs like Efficiency Vermont. The average quality of service is very high, with most reputable providers being well-versed in modern building science, air sealing principles, and local building codes. Typical pricing is on the higher end compared to national averages, reflecting the specialized skills required, the quality of materials used, and the operational costs of running a business in a rural state. For example, attic insulation with cellulose can range from $1,500 - $4,000, while a full spray foam application can cost $5,000 - $15,000 or more, depending on the scope. Homeowners are generally knowledgeable and seek out contractors who can provide comprehensive solutions that include air sealing and who can guide them through available rebate programs.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Washington regulations and climate
Get answers to common questions about insulation services in Washington, Vermont.
For our cold Vermont climate (Climate Zone 6), the U.S. Department of Energy recommends an attic R-value of R-49 to R-60. This high recommendation is due to our long, severe winters, where proper insulation is critical for retaining heat, reducing energy bills, and preventing ice dams. Many older homes in Washington have insufficient insulation, so an upgrade to this range is one of the most cost-effective improvements you can make.
The ideal times are late spring (May-June) and early fall (September-October). These periods offer moderate temperatures for contractors to work effectively in your attic or crawlspace and for your home to be properly ventilated during installation. While some contractors may offer slight off-season discounts in late winter, scheduling early is key as calendars fill up quickly ahead of the peak heating season.
Yes, Vermonters have excellent resources. Efficiency Vermont is the primary statewide program, offering rebates for insulation upgrades that meet their specifications. Additionally, you may qualify for low-interest financing through the Vermont Fuel Efficiency Program or federal tax credits for certain insulation materials. We recommend checking these programs first, as they can significantly reduce your net project cost.
Always verify that the contractor is licensed and insured in Vermont. Look for established local companies with specific experience in our climate's challenges, such as managing moisture and air sealing. Ask for references from nearby projects and confirm they perform a pre-installation energy assessment. Membership in organizations like Efficiency Vermont's Network is a strong indicator of a quality provider.
Proper moisture management is paramount in our humid summers and cold winters. A reputable contractor will first address critical air sealing to prevent warm, moist indoor air from condensing within cold wall cavities. They should also assess and may recommend solutions for basement/crawlspace moisture and attic ventilation. Correctly installed insulation with a proper air barrier actually helps prevent mold by keeping interior surfaces warmer and drier.