Mass Home Comfort
Find contractors
Insulation · North Andover, MA

Insulation in North Andover, Massachusetts

Compare contractors serving North Andover, Essex County — call them directly, or send one request and let the ones who want the job come to you.

30 contractors serving North Andover — including 2 based in town.

Contractors serving North Andover

Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors

Mass Save in North AndoverEligible

North Andover is served by National Grid, so homeowners qualify for the full Mass Save weatherization program. The no-cost Mass Save Home Energy Assessment is the starting point; once measures are approved, Mass Save typically covers 75-100% of attic, wall, 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 North Andover's older homes near the Old Center, an assessment commonly flags knob-and-tube wiring that must be cleared before dense-packing, and in pre-1981 attics the chance of vermiculite that needs testing first.

Read next

Insulation in North Andover — what to know

Permits in North Andover

Insulation in North Andover usually needs no standalone building permit, but the contractor should hold a current Home Improvement Contractor (HIC) registration, with a Construction Supervisor License (CSL) for structural work. Mass Save incentives require a participating, approved contractor. Spray foam must meet Massachusetts fire and ignition-barrier code. Homes in or near the North Andover Old Center historic district should confirm whether any exterior changes need local review, though interior insulation generally does not.

Where a permit is required, insulation work in North Andover is filed with the North Andover Building Department; see the North Andover Building Department’s contact, portal and who pulls the permit on permits.llc.

Typical project cost

North Andover is in the Merrimack Valley, in greater Boston's outer band, so pricing sits modestly below the urban core. 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 per square foot. Cost is driven by attic access, how much old insulation has to be removed, and whether knob-and-tube needs clearing in the older homes. As an National Grid town, North Andover gets the Mass Save 75-100% incentive, which can bring out-of-pocket near zero on approved measures.

About North Andover homes

North Andover is an Essex County town of about 30,847 residents across roughly 11,866 housing units, with a median home age near 48 years. The stock ranges from older homes and mill-era housing near the village centers to large postwar and later subdivisions spreading toward the Andover and Boxford lines.

That mix means a wide range of insulation conditions: newer homes mostly need attic top-ups and air sealing, while the older homes near the historic Old Center carry under-insulated or hollow walls, lost attic R-value, and sometimes knob-and-tube wiring that has to be addressed before walls can be dense-packed.

Common questions — Insulation in North Andover

Does Mass Save pay for insulation in North Andover?
Yes. North Andover is served by an investor-owned utility, so after a no-cost Mass Save Home Energy Assessment the program covers 75 to 100 percent of approved insulation and air sealing (no cost for income-eligible households) and finances the rest through the 0 percent HEAT Loan.
My older home near the Old Center has knob-and-tube. Can the walls be insulated?
Only after the active knob-and-tube is de-energized or remediated, which Massachusetts requires before dense-packing for fire safety. This is common in North Andover's older homes, and the Mass Save assessment will flag it.
Could my pre-1981 North Andover attic have vermiculite?
It's possible. If you see loose, pebbly gray-brown loose-fill in an older home, have it tested before any work, since vermiculite can contain asbestos. The assessment flags it and abatement comes before new insulation.
I'm in the North Andover historic district. Does that affect insulation?
Interior insulation generally isn't affected, but exterior changes in or near the Old Center historic area may need local review. Confirm with the town before any work that alters the building's exterior.
Do I need a permit to insulate my North Andover home?
Insulation itself usually doesn't need a building permit. Confirm your contractor holds a current HIC registration, and for Mass Save work that they're a participating contractor, or the incentives won't apply.

Insulation guides for Massachusetts homeowners

All Insulation guides →

Insulation contractors in nearby towns

BoxfordLawrenceAndoverMiddletonMethuenGeorgetownNorth ReadingGroveland