When a boiler problem is an emergency.
- You smell gas. Leave the building, do not touch switches and call 911 or the gas utility from outside.
- There is no heat in freezing weather, and the household cannot stay warm.
- Water is leaking from the boiler, piping or a radiator valve.
- The boiler is making loud banging, hissing or rumbling sounds.
- A carbon monoxide alarm sounds. Get everyone outside and call 911.
Boiler repair in Garfield, in older houses.
Many Garfield houses heat with a boiler and radiators or baseboard. Systems come in two main types. Hot water systems circulate heated water through pipes. Steam systems boil water and send steam through pipes to radiators. They behave differently, and the fix for one can harm the other.
Some boilers in two family houses serve both floors from one cellar unit. A failure leaves several households cold at once, so we confirm who is affected and who needs to be called. According to the New Jersey Division of Consumer Affairs, you can look up a plumber's license online before you hire, and we suggest you do that for any boiler or gas work.
Common boiler symptoms.
A boiler runs on combustion, so safety checks come first on every visit.
| Symptom. | Likely cause. | What we check. |
|---|---|---|
| No heat, boiler silent. | Thermostat, power, safety switch or ignition failure. | Power, thermostat, controls and ignition. |
| Radiators cold at the top. | Air in the system. | Bleed valves and system pressure. |
| Boiler turns on and off often. | Oversized boiler or dirty sensors. | Controls, flue and sizing. |
| Banging in the pipes. | Air, water hammer or trapped condensate. | Piping slope, pressure and traps. |
| Water on the floor. | Leaking relief valve, tank or pipe. | Valves, pressure and the tank. |
A boiler service call.
Safety check.
We check for gas leaks, carbon monoxide and flue problems.
Diagnose.
We test controls, pressure, ignition, thermostat and circulation.
Quote.
You hear the cost of repair and, if relevant, replacement.
Repair and test.
We fix the fault, run the boiler through a full cycle and show you what changed.
Boiler out in the cold?
Call the emergency line. A dispatcher will tell you what to check safely while help is on the way.
Gas safety first.
A gas appliance with a failed ignition or a cracked heat exchanger can release carbon monoxide. Every home with a boiler or furnace should have working carbon monoxide alarms near sleeping areas, with new batteries each year.
If you ever smell gas, do not turn lights or the boiler on or off. Leave the house and call 911 or your gas utility from outside. We respond after the utility has made the area safe, and we do not promise a time for a gas leak response.
Repair or replace the boiler.
Boilers can last decades, and many Garfield units are old. A repair is a good call when the part is minor and the unit is healthy. Replacement makes sense when the heat exchanger leaks, repairs are frequent or efficiency is poor.
Water quality also affects boilers. The City of Garfield's 2018 water quality report lists hardness above the recommended range. Hard water makeup can scale boiler internals over time, so ask about flushing and treatment if your unit takes in fresh water often. Hot water tank trouble is covered separately under water heater repair.
What affects boiler repair cost.
You get a price after diagnosis. If replacement is the better move, we say so and show both numbers.
Beyond Garfield.
We also serve boiler customers in Lodi and Passaic. Related plumbing work includes plumbing installation for new piping.
Questions homeowners ask us.
Yes. The emergency line is open 24/7. If you smell gas, leave the building and call 911 or the gas utility first.
Air in the system, low pressure or a failed circulator are common causes. A technician checks each.
A leak can damage the cellar and shorten the boiler's life. Shut off the water feed and power, then call.
Age, repair history, efficiency and the condition of the heat exchanger decide. We give both prices.
Leave immediately, call 911 or the gas utility from outside, and call us only after the area is safe.
Yes. Tell us whether you have steam or hot water when you call.
Written by the Garfield Express Plumbing team. Updated October 16, 2026.