When your tankless water heater stops working, the disruption is immediate. No hot showers, dishes, or laundry. At Cellino Plumbing, Heating, Cooling & Electric, we specialize in tankless water heater repair for both gas and electric models. Whether your unit is producing lukewarm water, displaying error codes, or not turning on at all, our licensed technicians will diagnose and fix the problem fast.
We’re available 7 days a week across Buffalo and surrounding areas. Because no one should have to go without hot water.
Tankless systems are efficient, but when issues arise, they often require specialized expertise. We repair:
Our team is trained to work with all major brands and models. We come equipped to make most repairs in a single visit so your routine gets back on track fast.
We start by performing a complete system check, reviewing error codes, inspecting critical components, and testing performance under load. Once we identify the issue, we’ll explain your options clearly, no pushy upsells, just honest solutions. Our goal is always to restore your hot water quickly, affordably, and with repairs that last.
Â
In most cases, we can get your tankless water heater running again the same day. If a replacement is needed, we’ll guide you through the process with transparent pricing and expert advice.
When your tankless water heater isn’t performing like it should, whether it’s delivering lukewarm water, showing error codes, or shutting off unexpectedly, you need a fix, fast. At Cellino Plumbing, Heating, Cooling & Electric, we specialize in diagnosing and repairing all makes and models of tankless systems to get your hot water flowing again.
Here’s why Buffalo homeowners trust Cellino for tankless water heater repairs:
We respond quickly to restore your comfort without long wait times.
Our licensed technicians are trained to repair gas and electric units from top manufacturers.
We get to the root of the issue and deliver lasting repairs, not temporary workarounds.
Western New York homeowners rely on Cellino for fast, honest, and professional plumbing solutions.
(Technician Restock Only- No Customer Stop-ins)
142 Van Rensselaer St
Buffalo, NY 14210
Call 716-822-7551
(Technician Restock Only- No Customer Stop-ins)
4465 Lake Shore Rd
Hamburg, NY 14075
Call 716-257-8883
(Headquarters)
631 Bullis Rd
Elma, NY 14059
Call 716-216-3003
(Technician Restock Only - No Customer Stop-ins)
594 Sheridan Dr
Tonawanda, NY 14150
Call 716-201-0177
(Inside The Mall)
3701 McKinley Pkwy
Suite 825, Buffalo, NY 14219
Call 716-631-1300
