Aaron Services provides tankless water heater installation, repair, and maintenance in Johns Creek, Georgia. The family-owned plumbing company has served the area since 1978 and works with Navien, Rinnai, and other major tankless brands. Services include system sizing and installation, diagnosis of error codes and hot-water problems, repairs, flushing, and routine maintenance. Same-day service is available when scheduling allows, and Aaron Services does not charge emergency fees. Appointments can be scheduled online or by calling 770-273-0877.
Tankless water heaters offer a different approach to hot water, with compact units that heat water as it is needed. For some Johns Creek households, that makes tankless a practical replacement for a traditional water heater. For others, the immediate concern is keeping an existing system working reliably.
Aaron Services provides complete tankless water heater service throughout Johns Creek, from selecting and installing a new system to diagnosing problems and maintaining existing equipment. Whether you are considering tankless for the first time or need help with a unit already in your home, our plumbers will explain what makes sense for your situation and provide clear options at competitive prices.
TANKLESS WATER HEATER SERVICE
Installation, Repair and Maintenance in Johns Creek
Whether you need a new system, help with an existing unit, or routine maintenance, Aaron Services can explain your options and help you move forward.
Family-owned since 1978 · Same-day service when available · No emergency fees
One Company for the Life of Your Tankless Water Heater
Our plumbers install new tankless water heaters, repair existing systems, and provide routine service to keep them operating at peak performance.
Our tankless water heater services in Johns Creek include:
- New tankless water heater installation
- Replacement of aging or unreliable systems
- Conversion from a traditional tank water heater
- Tankless diagnostics and repair
- Error-code troubleshooting
- Annual flushing and maintenance
- Recirculation system evaluation
- Help deciding whether to repair or replace
Is Tankless a Good Fit for Your Johns Creek Home?
Tankless water heaters are often chosen for their compact size, energy-efficient operation, and ability to keep producing hot water without emptying a storage tank. They can work especially well for households with back-to-back showers, large tubs, or regular periods of heavy hot-water use.
The system still has a limit. Its flow rate determines how many fixtures it can supply at once. A properly selected unit should account for the number of bathrooms, the fixtures commonly used together, and the temperature of the water entering the home.
Johns Creek homes vary considerably in size and layout. A larger home near Medlock Bridge may have different hot-water and recirculation needs than a townhome closer to State Bridge Road. We evaluate the actual household and plumbing system instead of recommending the same unit for every property.
What We Evaluate Before Installation
Before recommending equipment, we consider:
- Household size and daily hot-water use
- Number of bathrooms
- Fixtures that may operate simultaneously
- Existing gas or propane supply
- Venting and combustion-air requirements
- Electrical access
- Condensate drainage
- Water quality
- Distance between the heater and frequently used fixtures
- Whether hot-water recirculation would be helpful
Gas, Propane, and Electric Tankless Systems
Gas and propane tankless water heaters are commonly selected for whole-home use because they can support higher hot-water demand. However, the existing gas line may need to be evaluated or upgraded to meet the new unit’s requirements.
Whole-home electric tankless systems require substantial electrical capacity and multiple dedicated circuits. In some homes, the needed electrical upgrades make another water-heating option more practical. We explain the requirements before recommending a conversion.
Navien and Rinnai Equipment
Aaron Services most often installs Navien and Rinnai tankless water heaters. We choose these manufacturers because they offer professional-grade equipment, established warranty support, replacement parts, and models suited to different household demands.
The right model depends on more than the brand. Capacity, efficiency, recirculation options, installation requirements, and long-term serviceability should all be considered.
Considering a Tankless Water Heater?
Let us evaluate your home and explain which options fit your hot-water needs.
What to Expect During Tankless Installation
A tankless conversion may require more preparation than a standard tank replacement. Depending on the home, the work can include gas-line changes, new venting, condensate drainage, plumbing modifications, or an electrical outlet near the unit.
Before work begins, we explain the recommended equipment and any changes required to support it. Once installed, we test the system, confirm its settings, and review basic operation and maintenance with the homeowner.
Many installations can be completed within a working day, but the timing depends on the existing setup and the amount of modification required.
Real Reviews from Aaron Services Customers
Choosing someone to work on a tankless water heater requires trust—especially when the problem is technical or the installation involves changes to the home. Aaron Services has earned thousands of five-star reviews from customers who mention clear communication, professional workmanship, and technicians who take the time to explain their recommendations.
Add the existing Aaron Services Google review carousel here, prioritizing reviews that mention:
- Tankless water heater installation or repair
- Water heater troubleshooting
- Clear explanations and options
- Clean, careful workmanship
- Prompt scheduling
- Navien or Rinnai service
Tankless Water Heater Repair in Johns Creek
A tankless water heater that has stopped producing hot water does not necessarily need to be replaced. Many problems can be corrected through cleaning, adjustments, or replacement of an individual component.
Common reasons Johns Creek homeowners call us include:
- No hot water
- Water that turns cold during use
- Inconsistent temperatures
- Low hot-water flow
- Recurring error codes
- Delayed ignition
- Unusual sounds
- Water leaking near the unit
- A system that shuts down or needs frequent resets
An error code is a starting point, not always a complete diagnosis. The underlying cause might involve mineral buildup, a clogged filter, insufficient flow, ignition components, venting, gas supply, a sensor, or another part of the system.
Our plumbers evaluate the equipment and its installation before recommending a repair. That is important because replacing a component will not solve a problem caused by incorrect gas-line sizing, improper venting, or another installation defect.
Tankless System Acting Up?
Error codes, temperature changes, and low flow are all reasons to have the system checked.
Tankless Water Heater Maintenance
Tankless water heaters do not store dozens of gallons of water, but that does not make them maintenance-free. Water still passes through a heat exchanger, where minerals can accumulate and gradually restrict flow.
Most manufacturers recommend periodic inspection and flushing. Annual service is a reasonable schedule for many households, although water quality, usage, and manufacturer requirements may call for more frequent maintenance.
What Tankless Maintenance May Include
Depending on the system, maintenance may include:
- Flushing mineral deposits from the heat exchanger
- Cleaning the water inlet filter
- Inspecting venting and air intake
- Checking gas, water, electrical, and condensate connections
- Looking for leaks or corrosion
- Reviewing stored error codes
- Testing water flow and temperature
- Checking recirculation components
- Confirming that the unit operates normally
Maintenance should follow the requirements for the specific brand and model. Keeping service records may also be helpful if a warranty claim is needed later.
Signs Maintenance May Be Overdue
Your tankless water heater may need attention if:
- You cannot remember its last flush
- Hot-water flow has decreased
- Temperatures have become inconsistent
- The unit sounds different during operation
- Error codes appear more frequently
- The system takes longer to respond
A flush will not correct every tankless problem. If testing points to a failed component or installation issue, we will explain that separately rather than presenting maintenance as the complete repair.
Should You Repair or Replace Your Tankless Water Heater?
Age is only one part of the decision. We also consider the nature of the failure, the condition of the heat exchanger, repair history, availability of replacement parts, original installation quality, and whether the system is properly sized.
Repair may be appropriate when the unit is in generally good condition and the problem involves a serviceable component. Replacement may deserve consideration when the system has repeated failures, major component damage, unavailable parts, or installation problems that would be costly to correct.
Our plumbers explain what they find and provide options before work begins. If the existing system can be repaired reasonably, replacement is not automatically the answer.
Tankless Water Heater Service You Can Count On in Johns Creek
Whether you’re ready to install a new tankless water heater, need help with an existing system, or want to keep your unit performing at its best, Aaron Services is here to help. Our experienced plumbers provide straightforward recommendations, quality workmanship, and dependable service for homeowners throughout Johns Creek.
Tankless water heaters are just one part of what we do. Explore our complete Johns Creek water heater services for help with both tank and tankless systems, or visit our Johns Creek plumbing services page for information about leak repairs, drains, water lines, fixtures, and more.
Frequently Asked Questions About Tankless Water Heaters in Johns Creek
Does a tankless water heater provide instant hot water?
The unit begins heating when it senses water flow, but the heated water must still travel through the pipes. Homes with long plumbing runs may benefit from a properly designed recirculation system.
Can a tankless water heater run out of hot water?
It does not empty a stored tank, so it can continue heating water as long as demand remains within the unit’s capacity. If too many fixtures exceed its flow rate, water temperature or flow may decline.
How often should a tankless water heater be flushed?
About once a year is appropriate for many systems. The best schedule depends on water quality, household use, and the manufacturer’s instructions.
Why does my tankless water heater alternate between hot and cold?
Possible causes include low flow, scale buildup, a dirty filter, recirculation issues, incorrect settings, or a failing component. The system should be diagnosed before a repair is recommended.
How long does a tankless water heater last?
A properly installed and maintained system can often operate for 20 years or longer. Actual lifespan varies with water quality, usage, equipment quality, installation, and maintenance.
Can you repair a tankless water heater installed by another company?
In many cases, yes. Repairability depends on the brand, equipment condition, installation, and availability of parts and technical support.
Is tankless less expensive to operate?
Tankless equipment can reduce standby energy use because it does not continually reheat stored water. Actual utility savings depend on household usage, fuel costs, equipment efficiency, and the system being replaced.
How long does installation take?
Many installations can be completed within one working day. Conversions requiring gas-line, venting, plumbing, or electrical changes may take longer.
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