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Tankless unit throwing an error code, running cold, or losing flow? Get fast, same-day tankless water heater repair and descaling from licensed, insured Capital Region plumbers — Albany, Troy, Schenectady and beyond, Monday through Friday.
Do any of these sound familiar?
Most problems give you warning signs — catch one early and you often avoid a bigger repair.
Tankless units self-diagnose. We read the code, trace the real cause — ignition, flame sensor, flow, or venting — and fix it.
Bursts of cold mid-shower, or no hot water at all, usually point to ignition, gas supply, or a failing flow sensor.
Scale buildup from hard water narrows the heat exchanger and chokes flow — the most common Capital Region tankless problem.
Overheating, venting faults, or a clogged inlet filter can trip the safety and cut hot water. We find which one.
Mineral scale, a failing fan, or a venting issue — all repairable, and all worth addressing before they spread.
Capital Region hard water scales a tankless heat exchanger fast; if it’s been over a year since a flush, a descaling service restores efficiency and flow.
Got a problem that can’t wait? Book online in under a minute.
How we do it
From your first call to the final cleanup, here’s exactly how we work — no surprises and no upsells.
We read fault codes and test gas, ignition, flow, and venting to pinpoint the actual fault — not a guess.
Need it fixed today? We hold same-day slots for urgent repairs across the Capital Region.
You approve a flat price before we start. No hourly surprises.
We replace the failed part or flush and descale the heat exchanger, restoring full flow and hot water.
We verify the fix under load and tell you how to keep it running — including descaling intervals for our hard water.
Licensed Empire State Plumbing tech diagnosing a system on-siteOur work, done right
We repair every major tankless brand for Capital Region homes — Rinnai, Navien, Noritz, Rheem, Bosch and more. Common fixes include ignition and flame-sensor faults, flow and temperature sensors, gas-valve and venting issues, inlet-filter cleaning, and full descaling of the heat exchanger. Licensed, insured, and same-day, Monday through Friday.
ESP technician completing a clean, code-correct install
Book online
Tell us what is going on and when works for you. A real ESP dispatcher confirms your same-day or next-available slot, usually within minutes.
Real homeowners
A real person answers. Call or book online — Mon to Fri, 7:30 to 6, with same-day slots across the Capital Region.
How to decide
Most tankless problems are repairable — these units are built to last 15–20 years, far longer than a tank. We replace only when the heat exchanger itself has failed or the unit is well past its life and repairs no longer make sense. Considering a new unit instead? See tankless installation. Need a conventional tank repaired? See water heater repair.
Straight talk on price
Tankless repair cost depends on the fault — a sensor or igniter is modest, a descaling service is a flat maintenance price, and a heat-exchanger or gas-valve repair costs more. We diagnose first and quote flat before any work, with financing available through Acorn Finance for larger repairs.
Local know-how
Capital Region water is hard, and many homes run on private wells — which is exactly why tankless units here scale up and lose flow faster than the manuals assume. Regular descaling is the single biggest thing that keeps a Capital Region tankless healthy, and it’s the repair we do most. If your home also needs a softener or filtration, we can address the root cause too.
Plans & Financing
Join our maintenance plan for yearly tune-ups and big savings, or choose flexible financing that fits your budget with quick pre-qualification.
Peace of mind. Built in.
Smart options that help protect your home, your time, and your wallet.
Regular care. Real savings. Total peace of mind.
Flexible payment plans to fit your budget.
Financed through Acorn FinanceService Finance
Subject to credit approval. For qualified buyers.
Where we serve
Empire State Plumbing serves homeowners across New York’s Capital Region from our Nassau base — including Albany, Schenectady, Troy, Clifton Park, Colonie, Saratoga, Delmar, East Greenbush, Hudson, and Nassau, plus towns throughout all 6 Capital Region counties.
More Services
Water Heater
Repair
Installation
Tankless Water Heater
Repair
Installation
Gas Line
Repair
Installation
Repiping & Water Lines
Repiping
Water Line Repair
Water Treatment
Filtration
Sump Pump
Repair & Installation
Fixtures
Kitchen & Bath Fixtures
Emergency Plumbing
24/7 Emergency Plumber
Drain & Sewer
View Drain Services
Good to know
The things Capital Region homeowners ask us most about repair, replacement and cost.
Each brand codes faults differently (ignition, flow, venting, overheat). We read the code on-site, confirm the real cause, and fix it — codes point us in the right direction but aren’t the whole story.
Almost always hard-water scale in the heat exchanger. A descaling flush usually restores full flow — routine in our area.
In the hard-water Capital Region, about once a year — more if you’re on a well without softening. Regular descaling prevents most tankless repairs.
Often yes — most tankless faults are diagnosed and repaired in one visit, Monday through Friday, with common parts on the truck.
Tankless units last 15–20 years, so repair is usually the right call. We recommend replacement only when the heat exchanger has failed or the unit is near end of life — and we tell you honestly.
