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Commercial hot water heater service and repair by ICA Heating in NJ and NY
24/7 Commercial DHW Service

Hot Water Heater
Service & Repair

Factory-trained technicians servicing all major commercial water heater brands across New Jersey and New York. From emergency breakdowns and descaling to preventive maintenance programs — ICA keeps your hot water flowing.

24/7Emergency Response
50+Years Experience
NJ/NYService Territory
AllMajor Brands
Request ServiceCall (800) 994-6164
Why ICA for Water Heater Service

You Made the Investment.
Protect It.

A neglected commercial water heater lasts 5 years. One with proper startup and consistent maintenance lasts 20+. The difference is the service partner behind it.

ICA doesn't just reset lockouts and leave. Our factory-trained technicians diagnose the root cause — whether it's scale buildup, a failing anode, a drifting mixing valve, or a combustion issue — and fix it right. We carry common replacement parts on every truck so most repairs are completed in a single visit.

As a factory-authorized dealer for Patterson-Kelley, we have direct access to OEM parts, manufacturer tech support, and warranty service. For every other brand, our 50+ years of field experience means we've seen and solved virtually every commercial water heater failure mode.

Factory-Trained Technicians
Our service team holds factory certifications on Patterson-Kelley, Aerco, and other leading water heater platforms — not just general HVAC training.
Root-Cause Diagnosis
We use combustion analyzers, water quality testing, and systematic troubleshooting to find the actual failure — not just clear the alarm.
OEM Parts on the Truck
Factory-authorized parts inventory means we resolve most repairs in a single visit — no waiting days for a special-order part to arrive.
Detailed Service Reports
Every visit includes a written report with findings, work completed, descaling status, anode condition, and proactive recommendations.
Service Capabilities

Complete Commercial
Water Heater Service

From emergency breakdowns to long-term preventive maintenance — ICA provides full-lifecycle service for every type of commercial water heater.

Water Heater Repair
Expert troubleshooting and repair for direct-fired, indirect, and heat pump water heaters — from ignition failures and leaking heat exchangers to control malfunctions and low-flow issues. We diagnose the root cause, not just the symptom.
Descaling & Cleaning
Scale buildup is the #1 killer of commercial water heaters. ICA provides chemical descaling, heat exchanger cleaning, and anode rod inspection to restore efficiency and extend equipment life — especially critical in NJ/NY hard-water areas.
Burner Service
Complete burner maintenance for direct-fired water heaters including combustion tuning, electrode replacement, flame safeguard testing, gas valve service, and ignition system diagnostics. We keep your DHW system firing reliably.
Preventive Maintenance
Scheduled maintenance programs tailored to your water heater fleet — including annual combustion analysis, safety device testing, anode inspection, descaling, control calibration, and a detailed condition report with recommendations.
Startup & Commissioning
Factory-authorized startup for new water heater installations. We verify all safety interlocks, calibrate combustion, set temperature controls, test recirculation systems, and provide documentation required by code authorities.
Controls & Mixing Valves
Service and replacement of digital mixing valves, recirculation controls, BAS integration, temperature sensors, and safety devices. We keep your entire DHW distribution system operating within spec.
Equipment Lifespan

Maintenance Determines
How Long It Lasts

The same water heater can last 5 years or 20+ — the difference is how it's maintained. Proper installation, factory-authorized startup, and consistent annual service protect your investment and prevent costly emergency breakdowns.

5 YRS
No maintenance
10 YRS
Inconsistent maintenance
20+ YRS
Routine preventive maintenance
24/7 Emergency Water Heater Repair

No Hot Water? We Answer
the Phone Day & Night.

When your commercial water heater fails in the middle of a busy hotel weekend or a hospital shift change, ICA answers the call. Our emergency dispatch team triages your situation, assigns a factory-trained technician, and gets your DHW system back online — fast.

(800) 994-6164Toll-free, answered 24/7/365
How It Works

From Call to
Hot Water Restored

Our service process is designed for speed, accuracy, and transparency — so you know exactly what happened and what to expect next.

01
Call & Triage
Contact us 24/7. Our dispatch team gathers equipment details, symptoms, and urgency level — then assigns the right technician with the right parts for your water heater brand.
02
On-Site Diagnostics
A factory-trained technician arrives with diagnostic tools and common replacement parts. We check combustion, controls, heat exchanger condition, and water quality to find the root cause.
03
Repair & Verify
We complete the repair, perform combustion analysis, verify safety interlocks, check outlet temperatures and flow rates, and test the system under load before signing off.
04
Report & Recommend
You receive a detailed service report with findings, work performed, and recommendations — including descaling schedule, anode condition, and any equipment approaching end of life.
Need water heater service now?24/7 emergency response across NJ & NY — factory-trained technicians.
Schedule ServiceCall (800) 994-6164
Facilities We Serve

DHW Service for
Every Facility Type

From hotel guest demand to hospital sanitation requirements — ICA services commercial water heaters across every building type in NJ and NY.

Hotels & Hospitality
Peak-demand guest DHW systems
Hospitals & Healthcare
Sanitation-grade water heating
Multi-Family Residential
Central DHW plants & risers
Schools & Universities
Dormitories & athletic facilities
Athletic & Recreation
Locker rooms & pool facilities
Restaurants & Food Service
High-temp sanitation DHW
Industrial Facilities
Process hot water systems
Assisted Living
Anti-scald compliant systems
Brands We Service

Factory-Trained on
Every Major Brand

ICA services virtually every commercial water heater, mixing valve, and DHW control brand installed in NJ/NY facilities — with factory authorization on key product lines.

Patterson-Kelley
Factory-authorized dealer & service
Aerco
Condensing tankless water heaters
Lochinvar
Commercial condensing & non-condensing
A.O. Smith
Commercial gas & electric
Bradford White
Commercial storage water heaters
Rheem
Commercial gas water heaters
State Water Heaters
Commercial & high-input models
PVI Industries
Indirect & semi-instantaneous
Hubbell
Electric & booster water heaters
Aetech
Digital mixing valves
Watts
Mixing valves & safety devices
Armstrong
Recirculation pumps & controls
Frequently Asked Questions

Common Questions About
Water Heater Service

How fast can ICA respond to a commercial water heater emergency?
ICA provides 24/7 emergency water heater repair service across New Jersey and New York. For critical-facility emergencies — hospitals, hotels, restaurants, and multi-family buildings — we prioritize same-day dispatch, often within 2–4 hours. Our technicians carry common replacement parts to resolve most issues in a single visit.
What brands of commercial water heaters does ICA service?
We service virtually every commercial water heater brand including Patterson-Kelley, Aerco, Lochinvar, A.O. Smith, Bradford White, Rheem, State, PVI Industries, and Hubbell. As a factory-authorized Patterson-Kelley dealer, we have direct access to OEM parts, technical support, and warranty service for the full P-K water heater line.
How often should a commercial water heater be descaled?
In NJ/NY hard-water areas, commercial water heaters should be descaled annually — or more frequently in high-use applications. Scale buildup reduces heat transfer efficiency, increases energy costs, and dramatically shortens equipment life. ICA's preventive maintenance programs include descaling on a schedule matched to your water quality and usage patterns.
What's included in a water heater preventive maintenance program?
Our PM programs typically include annual combustion analysis, safety device testing (T&P relief valves, high-limit controls, low-water cutoffs), heat exchanger cleaning and descaling, anode rod inspection and replacement, control calibration, mixing valve verification, and a detailed condition report. Consistent PM extends water heater life expectancy significantly and prevents unexpected breakdowns.
Does ICA service both storage and tankless commercial water heaters?
Yes. Our technicians are experienced with all commercial water heater types — including direct-fired storage, indirect, semi-instantaneous, tankless/instantaneous, and heat pump water heaters. We also service the complete DHW distribution system: mixing valves, recirculation pumps, expansion tanks, and controls.
Can ICA help upgrade an aging water heater system?
Absolutely. ICA evaluates your existing DHW system, recommends the right replacement equipment based on your demand profile and water quality, and engineers the retrofit to minimize downtime. We can upgrade you from aging atmospheric water heaters to modern high-efficiency condensing units — often reducing energy costs by 30–40%.
What areas does ICA serve for water heater service?
ICA serves all of New Jersey and the greater New York metro area including NYC's five boroughs, Long Island, Westchester, and the Hudson Valley. Our headquarters is in Garfield, NJ with a satellite office in Manhattan, giving us fast response times across the entire service territory.
Commercial Water Heater Service — NJ & NY
Need Service or a
Maintenance Quote?
Request ServiceCall (800) 994-6164