Compare the highest-rated insulation professionals in Hyannis, Massachusetts. All contractors are licensed, insured, and verified through our rigorous screening process.
A well-established, locally-owned and operated company specializing in comprehensive home performance and insulation services. They are a leading Mass Save partner, which allows them to offer significant rebates and financing options to homeowners. They are highly regarded for their professional energy audits and expert installation of various insulation types.
Serving the Cape and Islands for decades, Coastal Insulation is known for its expertise in both residential and commercial projects. They emphasize solving moisture and energy loss problems in the challenging Cape Cod climate. Their team is skilled in advanced techniques like injection foam for existing walls.
While based in nearby Middleboro, this provider has a very strong service presence throughout Southeastern Massachusetts, including Cape Cod. They are another premier Mass Save partner and focus heavily on air sealing and attic insulation upgrades to maximize home comfort and efficiency. They receive consistent praise for their clean and efficient work.
** The insulation market in Hyannis and the broader Cape Cod region is characterized by a high demand for energy efficiency upgrades, driven by the area's older housing stock, harsh coastal winters, and the widespread availability of Mass Save rebates and incentives. The competition is moderate, with a handful of established, reputable contractors dominating the market. These top-tier companies are typically Mass Save partners, which is a significant differentiator. Pricing is generally at a premium compared to inland areas due to higher operational costs and the specialized knowledge required for coastal building codes and moisture control. Homeowners can expect a comprehensive energy audit (often free or subsidized) to be the first step, followed by a package of air sealing and insulation work. A typical full attic insulation project with air sealing can range from $2,500 to $6,000+, but the 75-100% rebates available through Mass Save can drastically reduce the out-of-pocket cost for qualifying homeowners.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Hyannis regulations and climate
Get answers to common questions about insulation services in Hyannis, Massachusetts.
For Hyannis' humid, windy, and cold coastal winters, air sealing combined with insulation is critical. We prioritize spray foam or dense-pack cellulose in walls and attics to create an air barrier that prevents moist ocean air from causing condensation and mold within your structure. Properly insulating your basement or crawlspace is also vital to protect against ground moisture and cold from the sandy Cape Cod soil.
Costs vary significantly by home size, insulation type, and access, but for a standard Hyannis cape-style home, whole-house air sealing and insulation can range from $4,000 to $12,000. It's important to note that Massachusetts offers excellent incentives, like the Mass Save® program, which provides no-cost home energy assessments and rebates that often cover 75-100% of insulation costs for qualifying homeowners, dramatically reducing your out-of-pocket expense.
While insulation can be installed year-round, the ideal periods are late spring (May-June) and early fall (September-October). These times avoid the peak summer tourism traffic that can delay scheduling and the deepest winter cold when attics can be frigid for workers. Scheduling your assessment in the spring also ensures your home is upgraded and efficient before the next costly heating season.
Always verify the contractor is licensed in Massachusetts as a Construction Supervisor (for structural work) and is an authorized Mass Save® partner, which requires rigorous training and quality standards. Look for local Hyannis or Cape Cod companies with extensive experience dealing with historic homes, high winds, and coastal humidity. They should provide a detailed proposal that includes a blower door test to measure air leakage.
Not necessarily. In many older Cape homes, air leakage through gaps, sill plates, and old windows is the primary cause of drafts and high energy bills. The first and most cost-effective step is a professional air sealing service, which is always done before adding insulation. A Mass Save® assessment will use a blower door test to pinpoint these leaks, and the program heavily subsidizes this crucial work alongside the insulation itself.