Compare the highest-rated insulation professionals in Waltham, Massachusetts. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly reputable, full-service home performance and plumbing contractor. They are a Mass Save® partner, which is a critical credential in Massachusetts, allowing them to perform energy audits and administer significant rebates. Their expertise in comprehensive air sealing and insulation systems makes them a top choice for whole-home energy efficiency upgrades.
As the name implies, this company specializes exclusively in home energy efficiency solutions. They are a leading Mass Save® sponsor and focus heavily on insulation, air sealing, and heating system upgrades. Their specific focus on energy performance translates to deep expertise in diagnostic testing and advanced insulation techniques.
A dedicated insulation contractor known for high-quality workmanship and customer service. They handle a wide range of insulation projects, from standard attic jobs to more complex wall and crawl space applications. They are also a participating contractor in the Mass Save® program.
The insulation market in Waltham, MA, is characterized by high demand and a competitive landscape of quality contractors. The average quality of service is high, largely driven by the stringent requirements of the Mass Save® program, which many leading contractors participate in. This program sets high standards for installation quality and worker certification (particularly BPI certification), which benefits consumers. **Competition Level:** High. There is a healthy mix of large, well-established home performance companies and specialized insulation contractors competing for business. This competition generally benefits homeowners through competitive pricing and a focus on service quality. **Typical Pricing:** Pricing is on the higher end compared to national averages, reflecting the region's cost of living and the skilled labor required. However, the Mass Save® program dramatically offsets this cost. * **Blown-In Cellulose/Liberglass Attic Insulation:** $1,500 - $4,000 for a standard attic. With Mass Save® rebates and incentives, the out-of-pocket cost can be reduced by 75% or more, sometimes even being fully covered. * **Spray Foam Insulation:** A premium service, typically $3.50 - $7.50 per board foot, making a full attic project range from $5,000 to $15,000+. It is less frequently covered by Mass Save® but offers superior R-value and air sealing. * **Air Sealing:** Often bundled with insulation, it can cost $500 - $2,000 but is a highly cost-effective measure for energy savings and is heavily incentivized. The key for Waltham homeowners is to work with a Mass Save® partner to first get a no-cost energy audit, which will identify the most effective measures and lock in access to significant rebates.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Waltham regulations and climate
Get answers to common questions about insulation services in Waltham, Massachusetts.
For Waltham's cold winters and humid summers, the attic is the top priority, as heat loss through the roof can account for 25% of energy loss. Air sealing the attic floor and adding cellulose or blown-in fiberglass insulation to achieve at least R-49 is critical. Basement rim joists and walls are also key areas to address to prevent drafts and moisture issues common in our region.
Costs vary by project, but attic insulation in a 1,500 sq ft Waltham home typically ranges from $1,500 to $3,500. Massachusetts offers excellent incentives through the Mass Save® program, which provides no-cost home energy assessments and rebates covering 75-100% of insulation costs for qualifying upgrades. Always use a Mass Save® participating contractor to access these savings.
While insulation can be installed year-round, late summer and early fall are ideal. Scheduling then ensures your home is prepared before winter's cold sets in, and contractors' schedules are more available compared to the peak fall rush. Avoid deep winter if possible, as ice dams or heavy snow can complicate attic access and safety.
Always verify they are a licensed Massachusetts Home Improvement Contractor (HIC) and a participating Mass Save® partner. Look for local experience with Waltham's common housing styles (e.g., early 20th-century colonials) and ask for proof of insurance. A reputable contractor will perform a thorough energy assessment and provide a detailed quote specifying materials, R-values, and air sealing scope.
Absolutely. Ice dams are a common Waltham problem caused by a warm attic melting snow, which refreezes at the colder eaves. The primary solution is comprehensive air sealing and increasing attic insulation to R-49 or higher, which keeps attic air cold and prevents snow melt. Proper ventilation is also a key component that a professional will address during the installation.