Contractors / Darien, CT / HVAC

HVAC contractors in Darien, CT

Real permit activity. Real contractors. Ranked by volume.

397 hvac permits were filed in Darien in the last 6 months. These 66 contractors filed them most often. Tap a name for their full permit history.

1. 1Harry A Foothorap Iii24 in last 90 days36
2. 2Robert S Levene12 in last 90 days17
3. 3Standard Oil of CT11 in last 90 days16
4. 4Hocon Gas11 in last 90 days14
5. 5John J Barry Iv8 in last 90 days12
6. 5Richard M Johnson Jr6 in last 90 days12
7. 7Petro Home Services5 in last 90 days10
8. 8Santa Energy5 in last 90 days8
9. 8Kevin P Mccormack4 in last 90 days8
10. 8Temp Air Company4 in last 90 days8
11. 11John R Perri6 in last 90 days7
12. 11Marc A Maleton3 in last 90 days7
13. 13Hoffman Energy5 in last 90 days6
14. 14Antonio Tamburro4 in last 90 days5
15. 14Pioneer Gas Co. Inc.4 in last 90 days5
16. 14Alberto L Beardsley2 in last 90 days5
17. 14Iannucci mechanical2 in last 90 days5
18. 14Antonios Kiriazidis1 in last 90 days5
19. 14Sila Servicesnone in last 90 days5
20. 20American Leak Detection D/B/A Shanahan Plumbing3 in last 90 days4
21. 20Environmental Control Llc3 in last 90 days4
22. 20OSA Heating & Cooling LLC3 in last 90 days4
23. 20Steven Sciarretta3 in last 90 days4
24. 20Conte Plumbing & Heating LLC1 in last 90 days4
25. 259 Okhs3 in last 90 days3
26. 25Building B3 in last 90 days3
27. 25Christopher R Busk3 in last 90 days3
28. 25RLSmith2 in last 90 days3
29. 25First Heating And Cooling1 in last 90 days3
30. 25Gasworks1 in last 90 days3
31. 25Norbert Mitchell Iii1 in last 90 days3
32. 25M&R Mechanical Servicesnone in last 90 days3
33. 33Fraser Plumbing LLC2 in last 90 days2
34. 33MCK heating and cooling llc2 in last 90 days2
35. 33Stanislav Lebid2 in last 90 days2
36. 33William Wahl Corp2 in last 90 days2
37. 33Badaracco Plumbing & Heating, Inc.1 in last 90 days2
38. 33ENCON Heating & Air1 in last 90 days2
39. 33GT Plumbing & Heating1 in last 90 days2
40. 33Innovative Heating & Coolin1 in last 90 days2
41. 33John Curran1 in last 90 days2
42. 33John M McDonald1 in last 90 days2
43. 33Michael K Bliven1 in last 90 days2
44. 33Pack-Timco1 in last 90 days2
45. 33Call The Beenone in last 90 days2
46. 33N&J Plumbing Llcnone in last 90 days2
47. 33Thomas L Fosternone in last 90 days2
48. 48Air One Systems LLC1 in last 90 days1
49. 48Balance Point1 in last 90 days1
50. 48Brian J Reilly1 in last 90 days1

Recent hvac permits in Darien

1. Nov 13, 2026HVAC PermitAntonio Tamburro · Sheet metal · 1 · #H-26-627
2. Nov 12, 2026HVAC PermitHoffman Energy · Sheet metal · 1 · #H-26-626
3. Nov 11, 2026HVAC PermitHocon Gas · Sheet metal · 1 · #H-26-623
4. Nov 11, 2026HVAC PermitHarry A Foothorap Iii · Sheet metal · 1 · #H-26-625
5. Nov 11, 2026HVAC PermitHocon Gas · Sheet metal · 1 · #H-26-624
6. Nov 10, 2026HVAC PermitAntonio Tamburro · Sheet metal · 1 · #H-26-620
7. Nov 10, 2026HVAC PermitHocon Gas · Sheet metal · 1 · #H-26-619
8. Nov 10, 2026HVAC PermitInnovative Heating & Coolin · Sheet metal · 1 · #H-26-622
9. Nov 10, 2026HVAC PermitENCON Heating & Air · Sheet metal · Complete · #H-26-621
10. Nov 9, 2026HVAC PermitPack-Timco · Sheet metal · Complete · #H-26-618

How hvac compares in Darien

• Building contractors · 68 contractors421
• Electricians · 59 contractors408
• HVAC contractors · 66 contractors397
• Plumbers · 42 contractors180
• Swimming pool contractors · 25 contractors26

Other trades in Darien

HVAC contractors nearby

Source: Darien OpenGov. 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.