Contractors / Somerville, MA / Insulation

Insulation contractors in Somerville, MA

Ranked by permit volume, not quality or customer satisfaction.

272 insulation permits were filed in Somerville in the last 12 months. These 21 contractors filed them most often. Tap a name for their full permit history.

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  1. 1HomeWorks Energy12 in last 90 days87
  2. 2Neeeco, LLC6 in last 90 days20
  3. 3Clean Tech Construction8 in last 90 days19
  4. 4SeeAir4 in last 90 days12
  5. 5Weathervane Home Energy1 in last 90 days10
  6. 6NEEECO Insulation LLC3 in last 90 days9
  7. 7Wollaston Construction LLC1 in last 90 days7
  8. 7J & L Energy Incnone in last 90 days7
  9. 7Revise Home Energy Solutions, Inc., Revise Heating & Coolingnone in last 90 days7
  10. 7Suffolk Weatherization LLCnone in last 90 days7
  11. 11Rhode Island Insulation2 in last 90 days6
  12. 12Mclaughlin &Williams Co Inc1 in last 90 days5
  13. 12EZinsul Incnone in last 90 days5
  14. 14Superior Insulation LLC2 in last 90 days4
  15. 14C2S Energy LLC1 in last 90 days4
  16. 14Boston Insulation Group LLCnone in last 90 days4
  17. 14McEachern Insulationnone in last 90 days4
  18. 14Zachary Leonardnone in last 90 days4
  19. 19Energy Hero, Inc1 in last 90 days3
  20. 19Eainone in last 90 days3
  21. 21Endless Energy New Englandnone in last 90 days1

Recent insulation permits in Somerville

  1. Oct 30, 2026Residential Other: Residential weatherization/air sealing. No structural changes. ( 896731. 896733) ( unit1 and uni2)HomeWorks Energy · Residential · Online Application Received · #B26-001866
  2. Oct 30, 2026Residential Other: Residential weatherization/air sealing. No structural changes. ( 897625, 897624)HomeWorks Energy · Residential · Online Application Received · #B26-001865
  3. Oct 29, 2026Residential Alteration: Residential weatherization and air sealing with the Mass Save Program. No structural changes.Clean Tech Construction · Residential · Online Application Received · #B26-001858
  4. Oct 27, 2026Commercial Other: Residential weatherization/air sealing. No structural changes. ( 892366 , 893501) ( UNIT 1 AND UNIT2)HomeWorks Energy · Commercial · Online Application Received · #B26-001832
  5. Oct 27, 2026Residential Other: Air seal and insulate wall.Superior Insulation LLC · Residential · Online Application Received · #B26-001840
  6. Oct 26, 2026Residential Other: Insulation + Air Sealing @ 19 Union SqSeeAir · Residential · Online Application Received · #B26-001828
  7. Oct 22, 2026Residential Other: Residential weatherization/air sealing. No structural changes. (CAP-30988, CAP-30989) (Unit 1, Unit 2HomeWorks Energy · Residential · Online Application Received · #B26-001798
  8. Oct 21, 2026Residential Alteration: Residential weatherization and air sealing with the Mass Save Program. No structural changes.Clean Tech Construction · Residential · Online Application Received · #B26-001791
  9. Oct 20, 2026Residential Other: Insulation work as part of the MASS Save program.Neeeco, LLC · Residential · Online Application Received · #B26-001783
  10. Oct 19, 2026Residential Other: Residential weatherization/air sealing. No structural changes. ( 893465)HomeWorks Energy · Residential · Online Application Received · #B26-001765

How insulation compares in Somerville

Other trades in Somerville

Electricians 1842Building contractors 1008Plumbers 773Gas fitters 610HVAC contractors 438Roofing contractors 404Window & door contractors 168Solar installers 152Deck & porch builders 113Siding contractors 36

Insulation contractors nearby

Boston 1388Worcester 691Plymouth 382Falmouth 302Lexington 260Barnstable 240Attleboro 206Randolph 200

Get quotes from active insulation contractors in Somerville

Request a quote and we route it to contractors with documented permits here. No ratings invented — you see their permit history first.

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Source: Somerville open data. Data updated Nov 6, 2026. A permit shows a job was filed with the town. It doesn’t show whether the work was finished or how it turned out. Rankings are by permit volume, not quality.