InstallationHeating

Water Heaters on Long IslandWater heater installation on Long Island — same-day most days when it matters.

Same-day install most days · $0 down on approved credit

Tank replacements in 3–4 hours, tankless conversions with endless hot water, and hybrid heat-pump water heaters that qualify for National Grid and PSEG-LI rebates. Rheem, Bradford White, Navien, and A.O. Smith — installed to Long Island code.

Fully insured 24/7 dispatch Background-checked techs
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Water Heater Installation on Long Island — EPA 608-certified HVAC technician on the job
Long Island, NY
Real techs. Real trucks. Same-day dispatch most days.
Why us for water heaters
  • Tank, tankless & heat-pump options
  • Same-day tank replacements most days
  • National Grid + PSEG rebates available
Long Island water heater installation

Water Heater Installation across Nassau & Western Suffolk

Quick answer

Water heater installation on Long Island runs $1,900–$3,400 for a 40–75 gallon tank, $4,800–$7,200 for a whole-home tankless, and $3,800–$5,800 for a hybrid heat-pump water heater. Tank replacements are usually completed same-day across Nassau and Western Suffolk. We install Rheem (our #1 pick), Bradford White (contractor's choice for tanks), Navien and Rinnai tankless, and A.O. Smith.

Long Island has hard water, mixed fuel stock (natural gas, oil, propane, electric), and a housing mix that runs from 1920s Cape Cods with utility-closet installs to newer builds with pre-plumbed tankless space. A one-size-fits-all quote misses on all of them. We size for your household demand, fuel type, and venting reality — then install to current Nassau and Suffolk code.

Warning signs

Common signs you need water heaters

Catching these early prevents emergency calls and bigger repair bills down the road.

No hot water

Failed pilot, thermocouple, gas valve, or heating element. Often diagnosed in one visit.

Lukewarm or running out fast

Failed dip tube, broken element, or a tank that's too small for the household.

Rusty or discolored water

Corroded anode rod or rusted tank interior. If it's the tank, replacement is needed.

Leaking around the base

Cracked tank — non-repairable. Shut off water and gas/power and call us; same-day service is usually available.

Popping or rumbling sounds

Sediment buildup at the bottom of the tank. Flush may help; older units usually need replacement.

System types

Choose the right system for your home

01
Standard tank (gas or electric)

40–75 gallon storage tanks. Lowest install cost. 8–12 year typical lifespan. Best for budget-conscious replacements.

02
On-demand tankless

Heats water as you use it. Endless supply, 20+ year lifespan, takes up wall space instead of floor space. 25–35% lower energy bills.

03
Hybrid heat-pump water heater

Pulls heat from the air to heat water at 1/3 the energy of standard electric. Qualifies for National Grid and PSEG rebates.

04
Indirect-fired (boiler-tied)

Uses your boiler to heat a separate hot-water tank. Highly efficient if you already have a modern condensing boiler.

Choose your system

Three tiers — same flawless install

Every quote includes Manual-J sizing, removal of your old system, and our lifetime workmanship guarantee.

Tank
Standard 40–75 gal — fastest, lowest cost
0.62–0.70 UEF · 6-yr tank + labor up to 10 yrs (by package)
From $3,200
or $41/mo financed · 132 mo, 9.99% APR, on approved credit
  • Rheem Performance or Bradford White Defender
  • 40, 50, or 75 gallon options (gas or electric)
  • Same-day install most days
  • New T&P valve & expansion tank
  • Old unit haul-away included
Get this quote
Most popular
Tankless
Endless on-demand hot water
0.93–0.97 UEF · 15-yr heat exchanger + 5-yr parts
From $6,900
or $87/mo financed · 132 mo, 9.99% APR, on approved credit
  • Navien NPE-A2 or Rinnai RU199i
  • Whole-home flow (9–11 GPM hot)
  • 20+ year typical lifespan
  • Wall-hung — frees up floor space
  • Right-sized for household demand
Get this quote
Heat-Pump
Hybrid — maximum energy savings
3.5–4.0 UEF · 10-yr tank + 10-yr compressor
From $6,200
or $78/mo financed · 132 mo, 9.99% APR, on approved credit
  • Rheem ProTerra or A.O. Smith Voltex
  • Uses 60–70% less electricity
  • Best for unfinished basements/garages
  • Maximum National Grid + PSEG rebates
Get this quote
Rebates & incentives

What qualifying programs can cover

Long Island homeowners may qualify for utility and manufacturer incentives. Eligibility and amounts are set by each program and change by program year.

National Grid
Varies by program
On qualifying heat-pump and high-efficiency tankless units
PSEG Long Island
Varies by program
Heat-pump water heater electrification incentive
Manufacturer rebate
Varies by program
Seasonal Rheem / Navien / Bradford White promos

Eligibility depends on equipment, household income, and current program funding. Check each program’s current terms before you buy.

Financing
As low as
$41/mo
Flexible Synchrony financing
Promotional offers available — full terms in writing before you sign

Hot water now — pay over time

Through Synchrony Home — the same financing trusted by HVAC dealers nationwide. Answers in about 60 seconds, subject to credit approval.

  • Decision in 60 seconds
  • $0 down on approved credit
  • Synchrony Home — trusted nationally
  • No prepayment penalties
Decision guide

Which option is right for you?

Replace with a tank if…

You want the lowest install cost, fastest swap (same-day is often available), and your usage matches your current tank size.

Switch to tankless if…

You frequently run out, want endless hot water, and plan to stay 7+ years to recover the higher install cost.

Go heat-pump if…

You have an unfinished basement or garage, want maximum energy savings, and want to tap National Grid and PSEG rebates.

What's included

What's included in every water heater installation

Every visit follows the same documented checklist — so nothing gets skipped and you get a written report at the end.

Book a visit
01Right-sizing for household demand & fuel type
02Old unit drain, disconnect & haul-away
03New T&P (temperature/pressure) safety valve
04Thermal expansion tank (where required)
05Sediment trap & shut-off valve on gas line
06Drip pan & drain line (basement installs)
07Code-compliant venting (B-vent or PVC)
08Combustion air verification (gas units)
09Dedicated electrical & condensate (hybrid units)
10Earthquake straps & seismic anchoring (if applicable)
11Manufacturer warranty registration
Honest pricing

Long Island water heaters cost ranges

Real numbers based on actual installs across Nassau and Western Suffolk. Final pricing depends on your home — we always quote in writing before any work begins.

Get an exact quote
40–50 gallon gas tank
$2,400–$3,400
50–75 gallon electric tank
$1,900–$2,900
Gas tankless (whole-home)
$4,800–$7,200
Heat-pump water heater (50–80 gal)
$3,800–$5,800
Indirect-fired (boiler-tied)
$2,800–$4,200
Same-day emergency replacement (when available)
+$200–$400

Pricing reflects typical Long Island ranges. Equipment, complexity, and incentives may increase or reduce your final cost.

Our process

What to expect, step by step

01
Call & confirm sizing

We confirm fuel type, tank size, and venting over the phone — installs are scheduled same-day or next-day when available.

02
Old unit out

Drained, disconnected, and removed for recycling. We protect floors and stairwells.

03
New unit set & connected

Water, fuel and venting connections, expansion tank and T&P valve — all to current Long Island code.

04
Test & teach

We run hot water at every fixture, check for leaks, and walk you through the new unit.

Long Island water heaters — EPA 608-certified technician on the job
On the job

Long Island homes, treated like our own

Every water heaters job starts with shoe covers, drop cloths, and a walk-through with the homeowner. We document with photos, explain what we found, and quote in writing — no surprises.

  • Background-checked, uniformed technicians
  • Photos of every issue, before & after
  • Flat-rate pricing approved before we start
Brands we service

Every major HVAC brand, serviced and installed

Rheem
Bradford White
Navien
A.O. Smith
Rinnai
Noritz
State
Rheem· Water Heaters

Our #1 pick across tank, tankless, and hybrid lines. ProTerra heat-pump and Performance Platinum tanks combine reliability, parts availability, and strong warranties across Long Island.

Bradford White· Water Heaters

Contractor's choice for standard tanks — sold only through plumbers, never big-box. Defender Safety System and Hydrojet sediment reduction extend tank life on Long Island water.

Navien· Water Heaters

NPE-A2 condensing tankless — best-in-class flow rates and built-in recirculation pump. Top pick for whole-home tankless conversions in Nassau.

A.O. Smith· Water Heaters

Voltex hybrid heat-pump and Vertex high-efficiency gas units. Strong commercial-grade construction with excellent rebate eligibility.

Town deep dives

Water Heaters in your town

Local pricing, the failures we actually see in your housing stock, and response times from our Levittown shop.

Every service we run, town by town:Hicksville
FAQ

Water Heaters questions, answered

Water heater installation on Long Island typically runs $1,900–$3,400 for a standard 40–75 gallon tank (gas or electric), $4,800–$7,200 for a whole-home gas tankless system, and $3,800–$5,800 for a hybrid heat-pump water heater. Same-day emergency replacements, when available, add $200–$400.

Standard tank replacements take 3–4 hours. Tankless conversions take 6–8 hours due to new venting and gas-line upsizing. Heat-pump water heaters take 4–6 hours.

$1,900–$3,400 for a standard 40–75 gallon tank, $4,800–$7,200 for a whole-home tankless, and $3,800–$5,800 for a heat-pump water heater.

Yes if you frequently run out of hot water, want a 20+ year lifespan, and plan to stay 7+ years. The higher install cost pays back through 25–35% lower energy bills and longer equipment life.

A hybrid unit that pulls heat from the surrounding air to heat water — using only 1/3 the energy of a standard electric tank. Best for unfinished basements or garages.

Yes — standard tank replacements can usually be completed same-day or next-day. Call before noon for the best chance of a same-day install, which is often available.

The federal 25C tax credit ended for installations after 2025, so we no longer promise it. National Grid and PSEG Long Island run incentive programs for qualifying high-efficiency and heat-pump water heaters. Amounts change by program year, so check their current terms before you buy.

Standard tank: 8–12 years. Tankless: 20+ years with annual descaling. Heat-pump: 13–15 years. Lifespan depends heavily on Long Island water quality and annual maintenance.

Rheem (our top pick for tanks and hybrids), Bradford White, Navien and Rinnai for tankless, A.O. Smith, and Noritz. We can match any major brand.

Ready when you are

Need water heaters on Long Island?

Talk to a real Long Island technician — usually same-day appointments, flat-rate pricing, and a 1-year warranty on every visit.