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Plumbers and heating and cooling contractors in St. Lawrence County, NY

  • 29

    Contractors

  • 9

    With Google ratings

  • 15

    Registered 10+ years

29 plumbers and heating and cooling contractors are listed in St. Lawrence County. 20 hold an active USDOT registration.

Of the 19 with a fleet size on record, 13 run one to three trucks, 5 run four to ten and 1 runs more than ten. Ogdensburg has the most contractors with 4, then Gouverneur with 3 and Potsdam with 3.

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All 29 contractors

  1. JMS Mechanical Contractors
    Ogdensburg5.0 from 10 reviews via Google
    (315) 393-5380
  2. Merkley Brothers Heating & Cooling LLC
    Heuvelton5.0 from 9 reviews via Google
    (315) 600-1248
  3. Pine Hill Mechanical LTD
    De Peyster5.0 from 8 reviews via Google
    (315) 528-4864
  4. Cornerstone Services
    Norwood4.9 from 514 reviews via Google
    (315) 353-4515
  5. NoCo Drain Pros
    Ogdensburg4.9 from 50 reviews via Google
    (315) 355-7657
Map of plumbers and heating and cooling contractors in St. Lawrence County, NY
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Roto-Rooter Plumbing Service
    Potsdam4.8 from 319 reviews via Google
    (315) 265-8190
  2. Grant's Plumbing & Heating
    Canton4.4 from 39 reviews via Google
    (315) 379-1308
  3. Benjamin Franklin Plumbing of The North Country
    Ogdensburg4.2 from 10 reviews via Google
    (315) 614-9010
  4. Larry's Plumbing & Heating
    Ogdensburg4.0 from 16 reviews via Google
    (315) 393-5058
  5. Empire Northeast
    Gouverneur
    (315) 287-3528
  6. Norwood Plumbing Inc
    Norwood
    (315) 353-7361
  7. Ductman Mechanical Inc
    Norfolk
    (315) 384-3060
  8. Jenkins Heating & Cooling
    Gouverneur
    (315) 287-4378
  9. T I Heating & Plumbing
    Brier Hill
    (315) 375-6335
  10. Hammond Propane Heating and Plumbing LLC
    Hammond
    (315) 324-5380
  11. Onsite Hvac Solutions Inc
    Canton
    (315) 528-3931
  12. Charleston Excavating Plumbing & Heating Inc
    Potsdam
    (315) 265-5404
  13. Kenneth L Whitford Heating and Plumbing
    Edwards
    (315) 562-8377
  14. NNY Outdoor Furnaces &Mechanical
    Massena
    (315) 212-4074
  15. Aeon Heating & Air Conditioning
    Potsdam
    (315) 265-3744
  16. Brucers Plumbing Heating & Electric
    Ogdensburg
    (315) 393-1393
  17. Dan's Plumbing and Heating
    Potsdam
    (315) 265-2020
  18. Kings Heating & Cooling
    Norwood
    (315) 353-2846
  19. Marble City Heating & Plumbing Corp
    Gouverneur
    (315) 869-2288
  20. R&M Electric-Plumbing-Heating-Cooling
    Madrid
    (315) 322-6226
  21. Shatraws Plumbing & Heating
    Massena
    (315) 769-3906
  22. Tates Heating & Plumbing LLC
    Hammond
    (315) 324-5380
  23. City Rooter
    Ogdensburg
    (315) 393-5240
  24. Grace Heating & A/C
    Lisbon
    (680) 333-0374
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Ranked by verified owner, then a Google rating of 4.0 or higher, then review count, then fleet size. A lower rating is still shown, and ranks with the listings we hold no rating for. How ranking works

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Homes in St. Lawrence County

Half the homes in St. Lawrence County were built before 1964, 67% before 1980 and 47% before 1960. (Census Bureau American Community Survey table B25035, 2020 to 2024 5-year estimates; Census Bureau American Community Survey table B25034, 2020 to 2024 5-year estimates)

From 1991 to 2020, St. Lawrence County averaged 7,976 heating degree days and 307 cooling degree days a year. (NOAA NCEI nClimDiv county heating degree days, 1991 to 2020 averages; NOAA NCEI nClimDiv county cooling degree days, 1991 to 2020 averages)

In St. Lawrence County, 34% of occupied homes heat with utility gas, 24% with fuel oil or kerosene and 16% with propane or other bottled gas. (Census Bureau American Community Survey table B25040, 2020 to 2024 5-year estimates)

Plumbing and HVAC rules in New York

What plumbing and HVAC work costs in New York

Ranges are national; ask contractors near you.

A plumber's hourly rate
$45 to $200 an hour; most charge $70 to $150 (HomeAdvisor, Fixr, HomeGuide)
A plumber's service call
$50 to $300 a visit, which often covers the first hour (HomeAdvisor, Fixr, HomeGuide)
After-hours or emergency call
about $100 to $300 added to the call, or about $150 to $350 an hour (HomeAdvisor, Fixr, HomeGuide)
Burst or leaking pipe repair
$200 to $3,000; the guides' averages run $500 to $1,200 (HomeAdvisor, Fixr, HomeGuide)
Clearing a sink, tub or toilet drain
$100 to $275 (HomeAdvisor, Fixr, HomeGuide)
Clearing the main line
$175 to $800; typically $350 to $650 (HomeAdvisor, Fixr, HomeGuide)
Hydro jetting
$350 to $1,400, depending on the line and the blockage (HomeAdvisor, Fixr, HomeGuide)
Gas tank water heater
$700 to $2,700 installed; about $1,900 on average (HomeAdvisor, Fixr, HomeGuide)
Tankless water heater
$1,600 to $5,600 installed for gas, depending on gas line and venting work (HomeAdvisor, Fixr, HomeGuide)$850 to $3,000 installed for electric, before any panel upgrade ($850 to $1,700) (Fixr, HomeGuide)
Heat pump water heater
$2,000 to $4,600 installed in place of an electric tank; more when it replaces gas (HomeAdvisor, Fixr, HomeGuide)
Sewer camera inspection
$125 to $500 (HomeAdvisor, Fixr, HomeGuide)
Sewer line replacement
about $1,400 to $5,300 for a typical line (HomeAdvisor, HomeGuide)$50 to $250 a linear foot (HomeAdvisor, HomeGuide)
Replacing central AC on existing ducts
$3,900 to $8,000; about $6,000 on average (HomeAdvisor, Fixr, Forbes Home)
Swapping a heat pump on existing ducts
$4,000 to $8,000; a 3-ton system about $3,900 to $6,200 (HomeAdvisor, Forbes Home, HomeGuide)
A whole-home heat pump system
commonly $14,000 or more (NYSERDA, Massachusetts EEAC, Fixr, HomeGuide)
Replacing a gas furnace
$3,800 to $6,200 at standard efficiency (HomeGuide, HomeAdvisor, Fixr, Forbes Home)$5,200 to $12,000 at high efficiency (90% AFUE and up) (HomeGuide, HomeAdvisor, Fixr, Forbes Home)
Replacing an electric furnace
$1,600 to $8,000, with a like-for-like swap at the low end (Fixr, HomeAdvisor)
A single-zone mini-split
$2,000 to $5,000 (HomeGuide, Fixr, Forbes Home)
A multi-zone mini-split
$3,000 to $14,000 for 2 to 4 zones (HomeGuide, Fixr, Forbes Home)
An HVAC tune-up
$70 to $350 a visit; a basic tune-up is often about $100 to $200 (HomeGuide, HomeAdvisor, Fixr)
An HVAC maintenance plan
$120 to $500 a year (HomeGuide, Fixr)

Ranges from HomeAdvisor, HomeGuide, Fixr, Forbes Home, NYSERDA and the Massachusetts EEAC, checked September 2026.

What plumbing and HVAC work costs in New York

Rules in New York

New York has no state plumbing license, and cities such as New York City and Rochester license plumbers.1, 2, 3 Oil burner installers in New York City need a city license.4 Your local building department in New York can tell you whether replacing a water heater, furnace or AC needs a permit.

Plumbing and HVAC rules in New York

Nearby counties

Sources

  1. New York State Senate ↑
  2. New York State Senate ↑
  3. City of Rochester ↑
  4. NYC Open Data ↑