1A Home Energy
Insulation in Shrewsbury, MA · ★ 5.0 Google rating
Google rating as of October 2026. How ratings work here
- Address
- 165 Memorial Dr A, Shrewsbury, MA 01545
- Phone
- (508) 416-0490
- Website
- https://1ahomeenergy.com ↗
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About 1A Home Energy
1A Home Energy is a Insulation contractor based in Shrewsbury, Worcester County, Massachusetts, at 165 Memorial Dr A, Shrewsbury, MA 01545. It has a Google rating of 5.0 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.
Service area
Based in Shrewsbury, 1A Home Energy is within a short drive of Grafton (4 mi), Worcester (5 mi), Westborough (5 mi), Northborough (6 mi), Millbury (6 mi) and Boylston (7 mi). Most Massachusetts insulation contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.
Hiring a Insulation contractor in Shrewsbury
Insulation in Shrewsbury 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's participating-contractor list applies in Shrewsbury only if you enroll through an investor-owned gas account; otherwise hire any HIC-registered, insured installer and check Shrewsbury Electric and Cable Operations's program requirements. Spray foam must meet Massachusetts fire and ignition-barrier code, with a thermal barrier over exposed foam. Because the housing is mostly recent, knob-and-tube issues are uncommon, but any present concern is handled by an electrician under a separate permit.
In central Massachusetts, Shrewsbury's insulation costs sit near the state average and generally below Boston-metro rates. Attic insulation typically runs $1,500-$4,000, dense-pack wall insulation $2,000-$6,000, and air sealing $300-$1,500; closed-cell spray foam runs higher. Home size and existing attic depth drive most of the variation.
Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential insulation work; ask for the registration number and check it before paying a deposit.
More on permits, costs, rebates and common questions, plus every other insulation contractor serving the town, on the Insulation in Shrewsbury page.
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