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Plumbers and heating and cooling contractors in Nassau County, NY

  • 207

    Contractors

  • 37

    With Google ratings

  • 106

    Registered 10+ years

207 plumbers and heating and cooling contractors are listed in Nassau County. 167 hold an active USDOT registration.

Of the 163 with a fleet size on record, 135 run one to three trucks, 25 run four to ten and 3 run more than ten. Massapequa has the most contractors with 12, then Hicksville with 9 and Port Washington with 9.

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Contractors 1 to 50 of 207

  1. Cool Clean Services
    Floral Park5.0 from 1200 reviews via Google
    (516) 775-2467
  2. Keith's Plumbing Repair Service, Heating, & Drain Cleaning
    Merrick5.0 from 747 reviews via Google
    (516) 429-0588
  3. Red Lion 24/7 Emergency Plumbing Heating & Drains
    Massapequa Park5.0 from 176 reviews via Google
    (516) 212-7879
  4. 24/7 Hvac of Long Island Inc
    Lawrence5.0 from 153 reviews via Google
    (516) 717-7515
  5. Home+ Air and Heat
    Jericho5.0 from 92 reviews via Google
    (516) 276-1911
Map of plumbers and heating and cooling contractors in Nassau County, NY
Pins mark ZIP code areas. A number shows how many contractors share that ZIP code.
  1. Benítez Plumbing Heating and Cooling System
    Hempstead5.0 from 79 reviews via Google
    (516) 205-8434
  2. EZ Sewer Drain & Septic Grease Cleaning
    Hempstead5.0 from 23 reviews via Google
    (718) 682-7834
  3. Long Island HVAC Repair LLC
    Levittown5.0 from 18 reviews via Google
    (516) 667-0911
  4. Your Choice Cooling & Heating
    Hempstead5.0 from 13 reviews via Google
    (516) 559-6905
  5. JD's Plumbing & HVAC
    5.0 from 6 reviews via Google
    (516) 746-1696
  6. T.F. O'Brien Cooling & Heating
    New Hyde Park4.9 from 2500 reviews via Google
    (516) 488-1800
  7. HarmonAire Ductless Heat Pumps
    Hicksville4.9 from 217 reviews via Google
    (516) 433-0918
  8. Gold Star Mechanical HEATING AND COOLING
    Hewlett4.9 from 190 reviews via Google
    (516) 246-5252
  9. Atlas Plumbing & Heating
    Garden City4.9 from 179 reviews via Google
    (516) 881-5875
  10. 24 Hour Plumbing And Sewer Cleaning -Oceanside NY
    Oceanside4.9 from 174 reviews via Google
    (516) 960-2735
  11. Dblas Plumbing, Heating & Air Conditioning
    New Hyde Park4.9 from 165 reviews via Google
    (516) 474-1800
  12. Aire Tech
    Floral Park4.9 from 127 reviews via Google
    (929) 328-4562
  13. AIR MECHANICAL AIR CONDITIONING & HEATING - NEST & NAVIEN Pro's
    Valley Stream4.9 from 99 reviews via Google
    (646) 657-5775
  14. Joe Rooter Sewer and Drain Cleaning
    4.9 from 91 reviews via Google
    (917) 764-4047
  15. A&I Mechanical Service Inc
    Freeport4.9 from 36 reviews via Google
    (516) 217-6441
  16. Trailblazer Mechanical Plumbing
    Elmont4.9 from 29 reviews via Google
    (516) 402-9213
  17. One Hour Heating & Air Conditioning of Nassau County
    Oceanside4.9 from 14 reviews via Google
    (516) 862-4994
  18. Citywide Sewer-Drain & Plumbing Corp
    Carle Place4.8 from 2000 reviews via Google
    (888) 744-9960
  19. Pipe Doctor Plumbing Heating & Air Conditioning
    Valley Stream4.8 from 887 reviews via Google
    (516) 348-6300
  20. Doodyman to the Rescue
    Rockville Centre4.8 from 697 reviews via Google
    (516) 354-8336
  21. A-All Plumbing, Heating and Air Conditioning
    Lynbrook4.8 from 428 reviews via Google
    (516) 240-5202
  22. Euro Comfort Zone HVAC
    Levittown4.8 from 182 reviews via Google
    (516) 253-4040
  23. PerfectTemp Heating & Air Conditioning
    Levittown4.8 from 99 reviews via Google
    (516) 980-3600
  24. Unified Heating & Air Conditioning
    East Meadow4.8 from 96 reviews via Google
    (516) 252-3600
  25. GNE & All Air of Merrick
    Merrick4.8 from 78 reviews via Google
    (516) 292-5600
  26. J&E Plumbing & Heating
    Baldwin4.8 from 76 reviews via Google
    (516) 788-6601
  27. Mario & Sons Plumbing
    Roosevelt4.8 from 69 reviews via Google
    (516) 689-6200
  28. Flow Rite Plumbing Services
    Baldwin4.8 from 36 reviews via Google
    (516) 206-0174
  29. Max Heating & Air Conditioning Co
    Franklin Square4.8 from 30 reviews via Google
    (347) 751-6027
  30. Ny Boiler & Air Conditioning Repair Corp
    Baldwin4.7 from 616 reviews via Google
    (516) 377-5200
  31. Just For You Plumbing and Heating
    Hempstead4.7 from 25 reviews via Google
    (516) 614-6364
  32. AAA Sewer & Drain Cleaning
    Valley Stream4.3 from 6 reviews via Google
    (516) 775-7694
  33. Scialli Plumbing & Heating
    Hicksville
    (516) 334-6701
  34. Gramman Plumbing and Heating Corp
    Carle Place
    (516) 746-0045
  35. Nassau Suffolk Mechanical Nassau Suffolk Electrical
    Syosset
    (631) 242-5024
  36. Elm Air Conditioning Corp
    Freeport
    (516) 377-3200
  37. G Sicuranza Ltd
    Locust Valley
    (516) 759-0259
  38. Maccarone Plumbing
    Glen Cove
    (516) 671-3232
  39. Par Plumbing Co Inc
    Lynbrook
    (516) 394-2005
  40. Cool Solutions Hvac Inc
    Bethpage
    (516) 694-1009
  41. A Montilli Plumbing and Heating
    Oceanside
    (516) 766-7684
  42. Gold Star Service
    Hicksville
    (516) 409-8555
  43. Mountain Air Conditioning & Heating Corp
    Hicksville
    (516) 935-0149
  44. Sal Manzo Plumbing & Heating Inc
    Wantagh
    (516) 783-0490
  45. I John Kostynick Village Plumbing and Heating
    Mineola
    (516) 746-2010
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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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Services in Nassau County

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Homes in Nassau County

Half the homes in Nassau County were built before 1955, 85% before 1980 and 66% 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, Nassau County averaged 4,880 heating degree days and 945 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 Nassau County, 62% of occupied homes heat with utility gas, 27% with fuel oil or kerosene and 7% with electricity. (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 ↑