Insulation in Beverly, Massachusetts

Beverly is in Eversource territory, so homeowners qualify for the full Mass Save program. A no-cost Mass Save Home Energy Assessment is the first step; Mass Save then typically covers 75-100% of approved insulation and air-sealing costs (100% for income-eligible households), plus the 0% Mass Save HEAT Loan up to $25,000 for the homeowner share. In Beverly's older homes the assessment may flag knob-and-tube wiring to clear before dense-packing, and pre-1981 attics that should be checked for vermiculite first.

Insulation in Beverly usually needs no standalone building permit, but the contractor should hold a Home Improvement Contractor (HIC) registration, with a Construction Supervisor License (CSL) for structural-adjacent work. Mass Save jobs require a participating contractor. Spray foam must meet Massachusetts fire and ignition-barrier code, with a thermal barrier over exposed foam. In older downtown and coastal homes, knob-and-tube wiring must be remediated by an electrician under an electrical permit before the walls are dense-packed.

On the North Shore, Beverly's insulation costs run near or slightly above the state average. Attic insulation typically runs $1,500-$4,000, dense-pack wall insulation $2,000-$6,000, and air sealing $300-$1,500; spray foam runs higher. Because Beverly is a Mass Save town, the 75-100% incentive can bring out-of-pocket near zero on qualifying work. Home age, wall access, and any knob-and-tube remediation are the biggest drivers of the final cost.

Beverly is an Essex County coastal city of about 42,414 residents in roughly 17,656 housing units. The median home is around 68 years old, with a stock that ranges from older homes in downtown and Beverly Cove to postwar neighborhoods in Centerville and North Beverly.

That spread gives the city a varied insulation profile. Many mid-century homes need attic top-ups, dense-pack walls, and air sealing, while the older coastal and downtown housing can have uninsulated balloon-framed walls, plaster-and-lath, and knob-and-tube wiring. Across both, air sealing the attic plane and filling empty wall cavities deliver the clearest comfort and heating-cost gains.