Contractors / Groton, CT / HVAC

HVAC contractors in Groton, CT

Real permit activity. Real contractors. Ranked by volume.

224 hvac permits were filed in Groton in the last 6 months. These 31 contractors filed them most often. Tap a name for their full permit history.

1. 1Spicer Plus, Inc.15 in last 90 days31
2. 2Densmore Oil Company14 in last 90 days30
3. 3Millas Heating & Cooling LLC11 in last 90 days20
4. 4R&W Heating Energy Solutions LLC1 in last 90 days9
5. 5Benvenuti Oil Company4 in last 90 days7
6. 6Quality Propane6 in last 90 days6
7. 6Chris Byrne4 in last 90 days6
8. 6Service Station Equipment2 in last 90 days6
9. 9Independent Mechanical Inc3 in last 90 days5
10. 9Total Mechanical Systems LLC2 in last 90 days5
11. 9Dba Glasco Heating And Ac1 in last 90 days5
12. 12M. Walenta Enterprises4 in last 90 days4
13. 12Jesse Rich3 in last 90 days4
14. 12Ledgelight plumbing and heating3 in last 90 days4
15. 15R.B. Kent & Son, Inc1 in last 90 days3
16. 15Armstrong Chimney and Stoves LLCnone in last 90 days3
17. 15HOP Energynone in last 90 days3
18. 18Andrew Simon2 in last 90 days2
19. 18HARP Home Services LLC2 in last 90 days2
20. 18Kneeland Heating & cooling LLC2 in last 90 days2
21. 18Michael Principe2 in last 90 days2
22. 18New England Mechanical Services2 in last 90 days2
23. 18William TRASK2 in last 90 days2
24. 18Aa Affordable Air1 in last 90 days2
25. 18Andre Lefrancois1 in last 90 days2
26. 18Brown And Son Plumbing And Heating Llc1 in last 90 days2
27. 18Duncklee, Inc,1 in last 90 days2
28. 18McClure Mechanical Services1 in last 90 days2
29. 29Gregg Landry1 in last 90 days1
30. 29Jack Korduner1 in last 90 days1
31. 29Sally Kropp1 in last 90 days1

Recent hvac permits in Groton

1. Nov 13, 2026Install (2) Mitsubishi Ductless Split systems.New England Mechanical Services · Mechanical · Fees Paid · #MP26-0402
2. Nov 13, 2026The installation of a Navien boiler, replacing the exiting oil fire boiler as well as the installation of 2/120 gallon QQuality Propane · Mechanical · Submitted - Online · #MP26-0403
3. Nov 12, 2026Natural Gas Line to forthcoming gas boiler.Jack Korduner · Mechanical · Fees Paid · #MP26-0401
4. Nov 10, 2026Remove and dispose of existing water heater. Install a Rheem 30GL propane water heater M#PRO29-30P in same location as eSpicer Plus, Inc. · Mechanical · Fees Paid · #MP26-0400
5. Nov 10, 2026Replace existing oil furnace with new, Thermo Pride (OH6FA072D48), high-boy, oil-fired furnace in same location as existR&W Heating Energy Solutions LLC · Mechanical · Fees Due · #MP26-0399
6. Nov 10, 2026Remove/replace 1-275 gallon fuel oil tank in same locationService Station Equipment · Mechanical · Fees Paid · #MP26-0397
7. Nov 10, 2026Proper abandonment in place of one (1) assumed 500-gallon fuel oil underground storage tank. The tank shall be cleaned aSally Kropp · Mechanical · Fees Paid · #MP26-0398
8. Nov 5, 2026Direct replacement of Heat Pump, Air Handler and 40 Gallon Electric Water Heater with Trane Heat Pump 5TWR4036A1000A andChris Byrne · Mechanical · Fees Paid · #MP26-0394
9. Nov 5, 2026Right side home there is an existing 120 gallon propane tank. Install new gas line, exterior home, secured under deck toSpicer Plus, Inc. · Mechanical · Fees Paid · #MP26-0395
10. Nov 5, 2026Remove and dispose of existing indirect. Install Heat Flo 40-Gallon Indirect and re-connect to existing boiler using exiSpicer Plus, Inc. · Mechanical · Issued · #MP26-0396

How hvac compares in Groton

• Electricians · 38 contractors225
• HVAC contractors · 31 contractors224
• Roofing contractors · 35 contractors155
• Building contractors · 38 contractors125
• Plumbers · 36 contractors120
• Window & door contractors · 30 contractors108
• Deck & porch builders · 16 contractors21

Other trades in Groton

HVAC contractors nearby

Source: Groton permits. Data updated Nov 15, 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.