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Cast-iron steam boiler and wrapped pipes in the basement of an older Buffalo house

Boiler Repair in Buffalo, NY

We find out why the boiler quit or the radiators went cold, show you the fault, and repair what failed.

  • 4.9★ on Google (57 reviews)
  • Locally owned since 2011
  • 15 years in Western New York
  • No high-pressure sales

Boiler repair in Buffalo usually means finding one of a few faults: a boiler that will not fire, a low water cutoff or water feeder problem on steam, a failed circulator or zone valve on hot water, or air trapped in the radiators. We trace the cause, show you the part, and quote the repair before we start.

Many boilers here are older. About 61 percent of City of Buffalo housing units were built in 1939 or earlier, according to Census data reported by Point2Homes, and a lot of those homes still heat with steam or hot water radiators. Old equipment is often worth repairing, and we tell you when it is not.

What is included with boiler repair

  • Thermostat, power switch and fuel supply check
  • Ignition or burner inspection, with flame and combustion observations
  • Steam systems: water level, low water cutoff, gauge glass and pressure control
  • Hot water systems: pressure, expansion tank, circulator and zone valves
  • Radiator and pipe check for air, leaks and stuck vents
  • Flue and venting inspection for blockage and corrosion
  • A clear quote for the repair before work begins

Why is my boiler not heating the house?

A cold house on a boiler has a different list of suspects than a forced-air furnace. These are the usual ones, from simplest to most involved.

  • No call for heat: a thermostat fault, a tripped breaker or a switched-off service switch.
  • Ignition trouble: the pilot, ignitor or flame sensor fails to light or prove the flame, and the boiler locks out.
  • Water problems on steam: the water level is low, the feeder is stuck, or the low water cutoff needs service.
  • Pressure problems on hot water: low pressure from a leak, or a failed expansion tank.
  • Circulation: a worn circulator pump or a zone valve that will not open sends hot water nowhere.
  • Air in the system: radiators that stay cold at the top, or steam radiators with vents that no longer vent.
Boiler gauge glass and low water cutoff on a steam heating boiler
On steam, the water level in the gauge glass shows whether the boiler has what it needs.

What differs between steam and hot water repairs?

SymptomOn a steam systemOn a hot water system
Radiators stay coldStuck or failed air vents, or low waterAir in the loop, or a zone valve that will not open
Banging or hammeringWater trapped in a pipe that does not pitch back to the boilerAir pockets or a loose pipe
Boiler shuts off by itselfLow water cutoff or pressure controlHigh-limit trip or a low-pressure lockout
Gurgling or kettlingDirty boiler waterScale or air in the heat exchanger
Water at the boilerA leaking gauge glass, valve or sectionA leaking relief valve or fitting

Knowing which system you have matters before anything is touched. Steam boilers run at low pressure and rely on a correct water level. Hot water boilers circulate heated water through a closed loop. A fix that is right for one can do harm to the other. Our post on older Buffalo homes with radiators walks through the basics.

Small brass air vent on the side of a cast-iron steam radiator
A stuck air vent is a common reason one steam radiator stays cold.

What should I do if my boiler stops working?

  1. Check that the thermostat is set to heat and above room temperature.
  2. Make sure the boiler’s service switch and the breaker are on.
  3. Look at the pressure gauge on a hot water boiler, or the water in the gauge glass on a steam boiler, and tell us what you see.
  4. Do not bypass a safety control or open the relief valve to see what happens.
  5. Call us with the make, the symptoms and what you checked.
“Johnny was super friendly and fast. I called him at 8:30am with a worry about a gas smell in my basement near my old steam boiler.”
Alexandra C., Google review, 2018

How we diagnose a boiler

  1. Listen first. When did the heat go, what do the pipes sound like, and which rooms are cold?
  2. Confirm the call for heat. Thermostat, zone controls and power, because simple causes come first.
  3. Watch the burner start. We see whether it lights, holds the flame and runs a normal cycle.
  4. Check water and pressure. Level and safety controls on steam, pressure and circulation on hot water.
  5. Walk the radiators and pipes. Air, vents, valves and leaks at the emitters.
  6. Show you and quote. You see the fault, hear the options, and decide before any part is replaced.
“My husband and I came home in the evening to a cold house and issues with our heating.”
Kristin S., Google review, 2018

Request a quote

Prefer to talk? Calling is the fastest way to reach us: (321) 666-8870.

When is a boiler repair worth it and when is it not?

ProblemUsual fixTrade-off
Failed ignitor, flame sensor or thermostatReplace the partUsually small, and often the whole fix
Stuck steam ventsClean or replace the ventsCheap, and radiators heat evenly again
Failed circulator or zone valveReplace the pump or valveModerate, and the boiler is otherwise fine
Low water cutoff or feeder faultService or replace the controlA safety item, so we do not skip it
Leaking or cracked boiler sectionOften replace the boilerA section repair rarely pays on an old boiler

Customers say we have fixed equipment that others wanted to replace, and we also tell people honestly when a boiler is finished. If it is, our boiler replacement page lays out the choices.

Technician checking a circulator pump and zone valves on a hot water boiler
Circulators and zone valves decide whether heated water actually reaches the radiators.

How long does boiler repair take and what does it cost?

Many repairs finish in one visit: an ignitor, a vent, a thermostat, a circulator. A special-order part or a leak hidden in a wall can take longer. If the house will be without heat while we wait for a part, we tell you what that means before you decide.

We do not post a flat price list. Cost moves with the fault, the age and type of boiler, and how reachable the equipment is in the basement. You hear the number before work begins. Coverage on any part depends on the manufacturer, and we explain it first.

For scale, HomeAdvisor’s 2025 cost page lists boiler service at an average of about $424, with a range of $190 to $659, and a zone valve replacement at roughly $200 to $500. Those are national figures, not our quote.

Hand using a small key to bleed air from a hot water radiator valve
Bleeding trapped air can bring a hot water radiator back, when air is the cause.

How do I prevent boiler breakdowns?

  • Book a yearly service in early fall. National Fuel recommends an inspection by a qualified contractor every year before the heating season.
  • Keep the area around the boiler clear, with nothing stored against it.
  • On steam, keep the boiler water clean and have the vents checked.
  • On hot water, watch the gauge. A pressure that keeps dropping means a leak.
  • Clear snow and ice from the exhaust and intake vents, as National Fuel advises.

Licensing, permits and the gas utility

In the City of Buffalo, a Heating Contractor license is required for heating work, and Permit & Inspection Services is the office to ask about it. Outside the city, your town sets its own rules, so confirm them with the municipality. Whether a given repair needs a permit depends on the work and the town.

Why Vantage for boiler repair

Diagnosis before sales

Several customers say we fixed what others wanted to replace.

You deal with the owner

Vantage is locally owned and operated since 2011, and John’s name comes up in reviews.

Rated 4.9 on Google

Google showed 57 reviews behind that score in October 2026. Read the reviews.

We explain the system

Customers say we show them the problem and tell them what to watch for.

Steam and hot water both

We work on both kinds of boiler. The diagnosis starts with which system you have, what the gauge shows and which radiators stay cold, so you hear what each reading means.

Warranty. Coverage depends on the part and the manufacturer, so we explain what applies before you approve a repair. If your boiler was installed recently, bring any paperwork and we will check the model and date against what is still covered.

Where we work. We are based in Orchard Park and repair boilers across the Southtowns and greater Buffalo, including Lackawanna, Kenmore, East Aurora and West Seneca. See every area we serve.

What customers said

Google review
“John is professional and personable. He explained what the issue was with my furnace.”
Tigger M., 2022
Google review
“John responded to the call and was able to be at my home within a half hour.”
Erica M., 2022

Boiler Repair questions

Why are my radiators cold even though the boiler is running?

On steam, the radiator’s air vent is often stuck, so steam cannot fill it. On hot water, air in the loop or a zone valve that will not open usually keeps the radiator cold. Low boiler water and a failed circulator are other causes. Tell us which radiators are cold and we can narrow it down quickly.

Why is my radiator banging?

On steam, banging is usually water trapped in a pipe that does not slope back toward the boiler, or a radiator that has shifted out of pitch. On hot water it can be trapped air or a loose pipe. It is often fixable without new equipment, so a diagnosis comes before any replacement talk.

Is it safe to keep running a boiler that is leaking?

A small drip from a valve is usually minor, but a steady leak from the boiler body is not something to run through the season. Shut the system off if water is pooling and call us. Do not add water to a hot steam boiler or open safety valves yourself.

How often should a boiler be serviced?

Once a year, ahead of heating season, which runs roughly September 19 to May 31 in Buffalo according to MyWild.Report. Service lets us check the burner, controls, vents and water side while parts are easy to get. National Fuel also recommends a yearly inspection by a qualified contractor before winter.

Can you repair a steam boiler in an old Buffalo house?

Yes. Steam boilers are common in homes built before 1940, and we work on both steam and hot water systems. We check the water level, controls and radiator vents first. If the boiler is cracked or leaking from its sections, we will tell you honestly whether repair makes sense.

Why does my hot water boiler pressure keep changing?

Pressure that climbs as the boiler heats and settles when it cools is normal within the range in your manual. Pressure that swings widely, or a relief valve that drips on every cycle, often points to a failing expansion tank. Pressure that keeps falling points to a leak. Tell us the cold and hot readings when you call.

What if I smell gas near my boiler?

Leave the building right away, do not touch light switches or use a phone inside, and call National Fuel’s emergency line at 1-800-444-3130 from outside, or call 911. National Fuel says gas leak investigations are free. Once the utility clears the building, call us to find the cause.

Where we handle boiler repair

  • LackawannaOlder worker housing near the lake takes wind and heavy snow; the city licenses plumbers and electricians.
  • KenmoreAbout 53 percent of village homes predate 1939 and 30 percent are two-family, so boilers are common.
  • East AuroraOlder village homes with boilers; ABC7 listed 51.3 inches here in November 2022.
  • West SenecaOver a third of homes date to the 1940s and 1950s, and basements sit near mapped creek floodplains.
  • TonawandaMost town homes outside Kenmore date to 1940 through 1959, so original heating equipment is now old.
  • CheektowagaPostwar capes and ranches now on second or third heating systems; the Town licenses HVAC contractors.
  • Orchard ParkOur base. The older village core still holds boilers and furnaces that have run for decades.
  • HamburgABC7 listed 77.3 inches here in November 2022, so clear vents and a working boiler matter.
  • BlasdellA small village of 1,285 housing units directly in the path of Lake Erie storms.

More on boiler repair

Talk to the people who do the work

Talk with Vantage about boiler repair.

  • 4.9★ on Google (57 reviews)
  • Locally owned since 2011
  • 15 years in Western New York
  • No high-pressure sales

Vantage Heating and Cooling · Orchard Park, NY · (321) 666-8870 · Mon–Fri 7:30 AM–5:00 PM · Sat–Sun closed

Call (321) 666-8870Get a Quote