Compare the highest-rated insulation professionals in Saint Johnsbury, Vermont. All contractors are licensed, insured, and verified through our rigorous screening process.
A leading energy efficiency contractor specializing in comprehensive home performance upgrades. They are well-regarded for their professional audits and advanced insulation solutions, particularly spray foam and dense-pack cellulose. They are experts in accessing and utilizing state and utility rebates.
A dedicated insulation contractor with a strong focus on both new construction and retrofit projects. They are known for their expertise in blown-in insulation for attics and walls, and they also handle insulation removal. Their crew is trained in building science principles for effective air sealing.
A local contractor with deep roots in the community, specializing in making homes more comfortable and affordable to heat. They offer a full suite of weatherization services and are particularly skilled with older Vermont homes, addressing basement and crawl space insulation challenges.
** The insulation market in Saint Johnsbury, VT, is characterized by a high demand for energy efficiency due to the region's harsh winters, but a limited number of contractors physically based within the town itself. The market is primarily served by a mix of one or two dedicated local weatherization companies and several highly active regional contractors from Lyndonville, Montpelier, and Barre. This creates a moderately competitive environment where quality and reputation are paramount. The average quality of service is high, as contractors must be well-versed in Vermont's specific building codes, cold-climate construction techniques, and the available efficiency rebates from organizations like Efficiency Vermont. Typical pricing is at a premium compared to national averages, reflecting the specialized skills required, the high cost of materials, and the travel for regional companies. Homeowners should expect a professional energy audit ($400-$600) to be a standard first step, with full-home insulation projects ranging from $5,000 to $20,000+, heavily dependent on the home's size, existing conditions, and the insulation materials chosen (e.g., spray foam being a premium option).
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Saint Johnsbury regulations and climate
Get answers to common questions about insulation services in Saint Johnsbury, Vermont.
For our cold Vermont climate, with winter temperatures often dropping below 0°F, air sealing and attic insulation are the most critical priorities. Properly air sealing gaps and adding sufficient attic insulation (typically to R-49 or higher) prevents warm air from escaping and stops ice dams, which are a common issue in Saint Johnsbury due to snow accumulation on roofs. Addressing these areas first provides the best return on investment for comfort and heating cost savings.
The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather which is optimal for certain types of insulation installation and allows for proper ventilation during projects. While insulation can be installed year-round, scheduling during these shoulder seasons helps you avoid the busy winter rush when demand is highest for emergency fixes related to cold and ice dams.
Yes, Vermonters have access to excellent incentives through Efficiency Vermont, the state's energy efficiency utility. For homeowners in Saint Johnsbury, this can include significant rebates for adding insulation, air sealing, and completing energy audits. Furthermore, local utilities like Vermont Electric Co-op or St. Johnsbury Electric Department may offer additional incentives, making upgrades more affordable and improving your home's value.
Look for a contractor who is deeply familiar with Vermont's climate challenges and building practices. They should be certified by the Building Performance Institute (BPI) and experienced in performing blower door tests to diagnose air leaks. Ask for local references in Caledonia County and verify they are insured and registered with the Vermont Secretary of State. A reputable provider will also help you navigate Efficiency Vermont's rebate application process.
Yes, but it requires specialized techniques. For historic or masonry homes common in Saint Johnsbury, interior solutions like installing insulated furring strips with rigid foam and new drywall or using injection foam for hollow walls are effective. It's crucial to work with a contractor experienced in historic homes to ensure the method manages moisture properly, preventing mold and rot, which is a key concern in Vermont's humid summers and freezing winters.