Tankless Water Heater Repair & Installation in New Orleans
Want endless hot water? We're Ready to Help.
ATP Plumbing and Drain provides professional tankless water heater installation and repair services for homeowners and businesses throughout New Orleans, Covington, Metairie, Kenner, Slidell, Mandeville, and surrounding communities.
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Whether you're upgrading from a traditional water heater or need repairs for an existing tankless system, our experienced plumbers deliver reliable solutions designed to keep hot water flowing when you need it most.
Logan B.
"I highly recommend ATP Plumbing to anyone in need of a reliable and trustworthy plumber. I recently had a great experience with them. Service was quick, efficient, and reasonably priced. What really stood out was the professionalism and transparency. He took the time to clearly explain what needed to be done and why, which I really appreciated. They showed up on time, worked efficiently, and left everything clean when the job was finished. You can tell they take pride in their work and care about their customers. If you’re looking for a plumber who is honest, knowledgeable, and dependable, ATP Plumbing is definitely a great choice!"
Benefits of a Tankless Water Heater
Unlike traditional water heaters that store hot water in a tank, tankless systems heat water on demand. This provides several advantages for homeowners and businesses.
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Endless Hot Water
Tankless water heaters provide a continuous supply of hot water, making them ideal for larger families and busy households.
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Improved Energy Efficiency
Because water is only heated when needed, tankless systems typically use less energy than traditional storage tank models.
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Space-Saving Design
Tankless units mount on the wall and take up significantly less space than conventional water heaters.
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Longer Lifespan
With proper maintenance, many tankless systems last longer than traditional tank water heaters.
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Reduced Risk of Water Damage
Without a large storage tank, there's no risk of a tank rupture flooding your home.
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Tankless Water Heater Installation
f you're considering upgrading to a tankless water heater, ATP Plumbing and Drain can help you choose the right system for your home's hot water demands.
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Our installation services include:
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Tankless water heater replacement
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New tankless water heater installation
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Gas line upgrades
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Water line modifications
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Venting installation
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System sizing and recommendations
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Residential and commercial installations
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Our team ensures your new system is properly installed for maximum efficiency, performance, and longevity.
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Common Tankless Water Heater Problems
Even the best tankless water heaters occasionally require service.
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Common issues include:
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No Hot Water
This may be caused by ignition problems, gas supply issues, electrical faults, or component failures.
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Inconsistent Water Temperature
Mineral buildup, clogged filters, or system malfunctions can affect performance.
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Error Codes
Modern tankless systems display diagnostic codes when a problem is detected. Our technicians can quickly diagnose and resolve the issue.
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Low Water Pressure
Sediment buildup and plumbing restrictions can reduce flow through the unit.
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System Shuts Off Unexpectedly
Ventilation issues, overheating, or sensor malfunctions may cause the system to shut down.
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Tankless Water Heater Repair Services
When your tankless water heater stops performing properly, ATP Plumbing and Drain provides prompt repair services to restore reliable hot water.
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We repair:
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Gas tankless water heaters
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Electric tankless water heaters
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Ignition systems
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Heating elements
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Flow sensors
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Control boards
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Venting systems
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Water and gas connections
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Our technicians work on many major tankless water heater brands and models.
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Tankless Water Heater Maintenance
Regular maintenance helps prevent breakdowns and extends the life of your system.
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Our maintenance services include:
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System inspections
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Descaling and flushing
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Filter cleaning
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Performance testing
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Leak detection
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Safety checks
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Annual maintenance can help keep your tankless water heater operating efficiently for years to come.

Tankless Water Heater Service Areas
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New Orleans
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Metairie
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Kenner
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Gretna
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Slidell
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Mandeville
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Covington
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Madisonville
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Pearl River
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Lacombe
Tankless Water Heater FAQs
How long does a tankless water heater last?
Most tankless water heaters last 15 to 20 years or more with proper maintenance, often outlasting traditional tank water heaters.
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Are tankless water heaters more energy efficient?
Yes. Because they heat water only when needed, tankless systems generally consume less energy than traditional storage tank water heaters.
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Can I replace my existing water heater with a tankless system?
Yes. Our plumbers can evaluate your home's plumbing, gas, and electrical systems to determine the best tankless solution.
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Why is my tankless water heater not producing hot water?
Common causes include ignition issues, gas supply problems, electrical failures, clogged filters, or internal component malfunctions.
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Do tankless water heaters require maintenance?
Yes. Annual maintenance, including flushing and descaling, helps prevent mineral buildup and extends the life of the system.
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What size tankless water heater do I need?
The proper size depends on your household's hot water demand, number of bathrooms, appliances, and simultaneous water usage. Our team can help determine the ideal system for your needs.


