Plumbers and heating and cooling contractors in New Jersey
952 plumbers and heating and cooling contractors are listed in New Jersey. 453 hold an active USDOT registration. The 15 counties listed below have at least 15 each and account for 900 of them.
New Jersey licenses master and journeyman plumbers through its State Board of Examiners of Master Plumbers.1, 2, 3 Ask a heating and cooling company in New Jersey which licenses it holds, and check each one with the office that issued it. Your local building department in New Jersey can tell you whether replacing a water heater, furnace or AC needs a permit.
Counties
Other counties in New Jersey
52 contractors in 6 counties with fewer than 15 listings.
Cape May County 4 contractors
Broadleys MDI, Comfort Pro Heating, Cooling & Energy Services, Just Right Mechanical Repair, Lenegan Plumbing & Heating
Cumberland County 11 contractors
B's Plumbing Inc, Barretta Plumbing Inc, Falasca Mechanical LLC, GE Mechanical LLC, Heating Specialties Inc, Joseph Sieri, Laury Heating, Modern Heating, Ray's Mechanical LLC, Tony Campana Plumbing Inc, The Real Deal Heating and Cooling LLC
Hunterdon County 11 contractors
Air Professionals Heating & Air Conditioning, Carmen Pizzuto Plumbing & Heating Inc, Dumont Mechanical Inc, Eric Grub Plumbing and Heating LLC, Hackney's Heating & Cooling, Hunterdon Plumbing & Heating Services LLC, Mechanical Plumbing and Heating LLC, Old York Heating & Cooling Inc, Pipe Right Mechanical Consulting and Contracting LLC, Schaible's Plumbing & Heating Inc, Stashluk Mechanical Contractors, Inc.
Mercer County 11 contractors
Arthur's Heating and AC, Danmor Mechanical Inc, Distefano Plumbing Inc, Force Ten Heating, Hamilton Home Heating Oil, Home Allegiance Heating & Air, J and D Plumbing and Heating, JP Plumbing and Heating, Pelicano Plumbing, Richard J Reed, Tindall & Ranson Plumbing Heating and Air Conditioning
Salem County 7 contractors
B F Plumbing Inc, El Buff Plumbing and Heating, Full Service Heating and Air LLC, Harris Plumbing Heating Air Electrical, Reeves Plumbing & Heating LLC, SEPA Backflow LLC, WJS Jr Heating & Air Conditioning LLC
Warren County 8 contractors
All Quality Contracting Heating and Cooling, Apex Heating and Cooling, Joe's Plumbing LLC, North Jersey Oil Heating Specialist LLC, O'Brien Plumbing, Heating & Air Conditioning, P Fara Heating Plumbing and Air Conditioning Inc, Petersen Plumbing and Heating, Pitbull Plumbing & Construction LLC
Plumbing and HVAC rules in New Jersey
- State codes
New Jersey's Uniform Construction Code adopts the 2024 National Standard Plumbing Code as its plumbing subcode, effective August 17, 2026, with a six-month grace period.4 The mechanical subcode is the 2024 International Mechanical Code, with the same effective date and grace period.4
- Replacement permits
Ask your local building department whether replacing a water heater, furnace or AC needs a permit where you live.
What plumbing and HVAC work costs in New Jersey
These are published national ranges, not quotes. Local quotes vary.
- 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)
Ranges from HomeAdvisor, HomeGuide, Fixr, Forbes Home, NYSERDA and the Massachusetts EEAC, checked September 2026.