Water Heater Services
Professional repair, replacement and installation solutions.
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Heating, Hot Water & Fixtures
From a boiler that won’t fire to a full mechanical room with radiant heat, we repair, replace and install heating systems for homes and buildings.
Service overview
Most NYC homes and buildings are heated by a boiler in the basement. When it stops working in January, everyone in the building feels it. Many problems give early warning: radiators that heat unevenly, a boiler that cycles on and off, pressure that keeps dropping or water around the unit.
We repair existing boilers, replace old ones with modern high-efficiency and combi units, and install the piping that goes with them: circulator pumps, expansion tanks, zone valves and manifolds for radiators, baseboard and radiant floor heating.
Common problems
Ignition, burner, control or circulator failures can leave the whole building cold.
Cold radiators or zones usually point to air in the system, a failed zone valve or a circulator problem.
Short cycling can come from low water, a faulty control, a pressure problem or poor venting.
Usually a leak in the piping, a failing relief valve or a problem with the expansion tank.
Common in steam systems with water trapped in the pipes, and in hot water systems with air.
An older boiler can burn much more fuel than a modern high-efficiency unit for the same heat.
Warning signs
Noticing one of these? Tell us what’s happening and we’ll help you work out the next step.
Our process
Step 1:
We check controls, ignition, water level, pressure, circulators and venting to find out what’s wrong.
Step 2:
We explain whether a repair makes sense for the boiler’s age and condition, or whether replacement is the better investment.
Step 3:
New boilers and heating piping are installed with proper venting, valves, pumps and expansion tanks.
Step 4:
The system is filled, air is purged, and we test it through a full heating cycle.
Benefits
A warm home or building through the whole heating season.
A well-tuned or high-efficiency boiler uses less fuel for the same heat.
Proper venting, relief valves and controls keep the system operating safely.
Catching problems early means fewer no-heat calls in the coldest weeks.
Why PLUMBON24
From a single boiler swap to a mechanical room with several boilers and a radiant manifold, we plan the piping carefully and leave the system clean and easy to service.
You’ll understand the problem and your options before work begins.
Careful work, suitable materials and proper testing.
You get the price before any work starts, so there are no surprises.
Attach photos to your request so we arrive with the right parts.
FAQ
Answers to common questions about boiler & heating services in New York City.
Have a different question? Contact us.
It depends on the boiler’s age, the cost of the repair and how efficiently it runs. Many boilers last 15 to 30 years. If yours is old and needs a major repair, replacement is often the better investment.
A combi boiler heats your home and makes hot water on demand in one compact, wall-mounted unit, so you don’t need a separate water heater tank.
Yes. We install the piping, manifolds and circulator pumps that supply radiant floor heating, as well as radiator and baseboard systems.
In NYC, boilers in many multifamily and commercial buildings must be inspected every year, with the results filed with the Department of Buildings. Even when it isn’t required, a yearly check before heat season helps prevent breakdowns.
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Inspections and preventive maintenance that catch small problems before they become emergencies.
Request service
Tell us what’s happening, where you’re located and what type of property it is. Photos help us understand the problem.
PLUMBON24 MECHANICAL INC
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Hours
Mon–Fri, 9 AM – 5 PM
24/7 emergency service