Contractors / Dover, NH / Gas fitting

Gas fitters in Dover, NH

Real permit activity. Real contractors. Ranked by volume.

226 gas fitting permits were filed in Dover in the last 6 months. These 41 contractors filed them most often. Tap a name for their full permit history.

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  1. 1Architectural Fireplaces Inc.1 in last 90 days50
  2. 2D.F. Richard Energy13 in last 90 days18
  3. 3Builders Installed Products10 in last 90 days10
  4. 3Eschmann plumbing8 in last 90 days10
  5. 5Quality Insulation8 in last 90 days8
  6. 6Potter Mechanical LLC7 in last 90 days7
  7. 7Atlantic Gas Techs LLC2 in last 90 days5
  8. 7Mbe00024902 in last 90 days5
  9. 7Paul the Plumber2 in last 90 days5
  10. 7Sean Maguire2 in last 90 days5
  11. 7Pj Labrie And Sonsnone in last 90 days5
  12. 12Joy's HVAC Services Inc2 in last 90 days3
  13. 12cochecho P&HHnone in last 90 days3
  14. 14Generator Super Center2 in last 90 days2
  15. 14Martel P&H2 in last 90 days2
  16. 14Moriarty Electric Company2 in last 90 days2
  17. 14Stonehouse plumbing and heating LLC2 in last 90 days2
  18. 14Tim Coyle Plumbing & Heating Llc2 in last 90 days2
  19. 14Dead River Co.1 in last 90 days2
  20. 14Gerry's Gas Services1 in last 90 days2
  21. 14Hart Plumbing & Heating1 in last 90 days2
  22. 14Superior Plus Propane- Rymes1 in last 90 days2
  23. 14Alliance Trade Groupnone in last 90 days2
  24. 14Arkwell Heating Servicenone in last 90 days2
  25. 14East Coast HVACnone in last 90 days2
  26. 14RPH Incnone in last 90 days2
  27. 14Thibeault Heating & Coolingnone in last 90 days2
  28. 28Aqua Tech Plumbing and Heating LLC1 in last 90 days1
  29. 28Denron-Hall Plumbing and HVAC1 in last 90 days1
  30. 28High Ground Service Pros1 in last 90 days1
  31. 28Kenco LLC1 in last 90 days1
  32. 28Martel p/h1 in last 90 days1
  33. 28ProHVAC1 in last 90 days1
  34. 28TG Gallagher1 in last 90 days1
  35. 28Triumph home services1 in last 90 days1
  36. 28APH-Arakelian Plumbing and Heating, LLCnone in last 90 days1
  37. 28Pettigrew Plumbing & HVACnone in last 90 days1
  38. 28Strogens Service Expertsnone in last 90 days1
  39. 28TNT Home buildersnone in last 90 days1
  40. 28Townsend Energynone in last 90 days1
  41. 28Wentworth Electric LLCnone in last 90 days1

Recent gas fitting permits in Dover

  1. Nov 12, 20264 fixturesEschmann plumbing · Mechanical - Gas · In Review · #MECH-2026-0760
  2. Nov 12, 20264 fixturesEschmann plumbing · Mechanical - Gas · In Review · #MECH-2026-0759
  3. Nov 10, 2026Relocate existing two (2) main service lines within the facility and make all appropriate connections needed to new meteDenron-Hall Plumbing and HVAC · Mechanical - Gas · Submitted - Online · #MECH-2026-0757
  4. Nov 10, 2026Install a dedicated gas line for a generatorMartel p/h · Mechanical - Gas · Fees Due · #MECH-2026-0755
  5. Nov 6, 2026INSTALLATION OF TWO 120 GALLON ABOVE GROUND TANKS. ALL GAS PIPING, WIRING, AND GENERATOR INSTALLED BY OTHERS.D.F. Richard Energy · Mechanical - Gas · Issued · #MECH-2026-0754
  6. Nov 5, 2026Replace gas power vented water heaterMbe0002490 · Mechanical - Gas · Issued · #MECH-2026-0749
  7. Nov 5, 2026Install heat only high-efficiency boiler, four zones with 40 gallon indirectPaul the Plumber · Mechanical - Gas · In Review · #MECH-2026-0750
  8. Nov 3, 2026Install gas piping for a generatorGenerator Super Center · Mechanical - Gas · Issued · #MECH-2026-0740
  9. Oct 29, 2026Install gas fireplace and venting in family roomQuality Insulation · Mechanical - Gas · Issued · #MECH-2026-0719
  10. Oct 29, 2026Install gas fireplace and venting in family roomQuality Insulation · Mechanical - Gas · Issued · #MECH-2026-0723

How gas fitting compares in Dover

Other trades in Dover

Electricians 377HVAC contractors 288Building contractors 194Plumbers 131Window & door contractors 44Roofing contractors 43Deck & porch builders 35Insulation contractors 21Solar installers 20

Gas fitters nearby

Boston 1330Falmouth 795Plymouth 657Worcester 630Mashpee 431Cambridge 349Pittsfield 314Somerville 277

Get quotes from active gas fitting contractors in Dover

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Source: Dover permits. Data updated Nov 13, 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.