Compare the highest-rated insulation professionals in Randolph, Massachusetts. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly reputable, full-service home performance and insulation contractor. They are a leading Mass Save partner, which allows them to perform official energy audits and facilitate significant rebates and financing for customers. Their expertise extends to comprehensive air sealing and insulation upgrades for all areas of the home.
Specializes in eco-friendly and high-performance insulation solutions, including dense-pack cellulose and spray foam. They are well-regarded for their detailed approach to air sealing and improving home energy efficiency, often working in tandem with the Mass Save program.
A dedicated insulation contractor that focuses heavily on the Mass Save program's no-cost insulation offers for eligible homeowners. They are experts in blown-in fiberglass and cellulose for attics and walls, and they perform thorough air sealing to maximize energy savings.
** The insulation market in Randolph, Massachusetts, is competitive and heavily influenced by the state's energy efficiency programs, particularly **Mass Save**. The average quality of service is high, as contractors must meet strict certification and performance standards to participate in these programs. Due to the age of many homes in the area, there is strong demand for attic insulation upgrades, air sealing, and wall insulation. **Competition** is robust among a mix of large, full-service home performance companies and smaller, specialized insulation contractors. Pricing varies significantly based on the scope of work and materials. For a standard attic air sealing and blown-in insulation project, homeowners can expect a cost range of **$1,500 to $4,000**, but this can often be offset by **Mass Save rebates of 75-100%**, making it a very attractive market for energy-conscious residents. It is crucial for homeowners to choose a Mass Save partner contractor to access these incentives and ensure work is performed to program standards.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Randolph regulations and climate
Get answers to common questions about insulation services in Randolph, Massachusetts.
For a typical Randolph home, adding blown-in cellulose or fiberglass attic insulation to reach the recommended R-49 level for our climate zone (Zone 5) can range from $1,500 to $3,500, depending on attic size and existing conditions. Homeowners should explore rebates from Mass Save®, which often covers 75-100% of insulation costs for eligible upgrades, and check if Randolph's municipal utility, Randolph Municipal Light, offers any additional incentives.
Late summer and early fall are ideal for scheduling insulation projects in Randolph. This timing allows you to prepare your home for the harsh New England winter while avoiding the peak contractor demand of late fall. The weather is typically dry and mild, which is crucial for proper installation of materials like spray foam and for effective air sealing before cold air infiltration begins.
Yes, Randolph's many older homes (pre-1950s) often have plaster walls, minimal existing insulation, and unique airflow dynamics. A critical concern is managing moisture; adding insulation without proper air sealing and vapor barriers in our humid summers and cold winters can trap moisture and lead to mold or rot in wall cavities. A professional assessment is essential to choose breathable solutions like dense-pack cellulose that protect the home's structure.
Always verify that the contractor is licensed in Massachusetts as a Construction Supervisor (for major work) and insured. Prioritize contractors who are Mass Save® participating partners, as this requires specific training and adherence to program standards. Ask for local references in Randolph to see past work and check reviews focusing on their handling of permits and inspections with the Randolph Building Department.
In our climate, the attic is almost always the top priority, as heat rises and escapes most readily through the roof. Sealing and insulating the attic to R-49 provides the greatest immediate impact on comfort and heating bills. However, insulating basement rim joists and walls is also very important for Randolph homes to prevent cold floors and drafts; a comprehensive home energy assessment through Mass Save® will identify the correct order of operations for your specific property.