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Head's Plumbing Sales and Service, Inc.

Tankless Water Heater Inspection & Testing in Clarkston, GA

Is your Clarkston tankless water heater underperforming? Get expert inspection & testing in Clarkston, GA. Restore optimal performance and efficiency.

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Is Your Clarkston Tankless Water Heater Underperforming?

Are you noticing your Clarkston home's tankless water heater isn't delivering hot water as consistently as it used to, giving you lukewarm showers or unexpected temperature drops? Perhaps you've seen your energy bills creeping up without any explanation. These aren't just minor inconveniences; they're often clear signals that your tankless unit is struggling, and ignoring them can lead to more significant problems, from costly repairs to the premature failure of your system. At Head's Plumbing Sales and Service, Inc., our multi-generational team is ready to provide the thorough tankless water heater inspection and testing your Clarkston home needs to restore optimal performance and efficiency.

Key Warning Signs Your Tankless Unit Needs an Inspection

When a tankless water heater starts having problems, it gives you specific clues. Paying attention to these signs can help you catch an issue before it turns into a major breakdown. Here are the most common symptoms we see in homes around Clarkston.

Inconsistent Hot Water or Fluctuating Temperatures

You step into the shower expecting continuous hot water, but it suddenly turns lukewarm or even cold, only to heat up again moments later. This is one of the most frequent complaints we hear, and it’s a classic symptom of mineral buildup inside the unit's heat exchanger.

The scale acts like an insulator, preventing the water from heating efficiently and consistently. If you ignore this, the buildup will only get worse, forcing your unit to work harder, use more energy, and eventually suffer permanent damage that could require a full Water Heater Installation & Replacement.

Reduced Water Pressure from Hot Taps

You might notice that the hot water coming from your faucets or showerhead seems weaker than the cold water flow. This drop in pressure is often caused by the same mineral deposits and scale that affect temperature.

These deposits can accumulate not just in the heat exchanger but also in the water lines and internal components, physically restricting the flow of water. This not only makes showering and washing dishes less effective but also puts extra stress on the unit itself.

Strange Noises Coming from the Unit

If you hear unfamiliar sounds like popping, crackling, or a low rumbling coming from the tankless unit when it's heating water, it's telling you something is wrong inside. These noises are usually caused by mineral deposits breaking loose and rattling around inside the heat exchanger.

These sounds are a direct sign of internal stress and potential damage. Over time, that rattling scale can erode critical components, leading to a complete breakdown and the need for expensive repairs.

Visible Leaks or Corrosion

Any sign of water where it shouldn't be is a cause for immediate concern. Look for drips, small puddles of water around the base of the unit, or rust and corrosion on the pipe connections or the unit's exterior.

Leaks can indicate failing seals, cracks in the heat exchanger, or corroded plumbing connections. Even a small, slow leak can lead to significant water damage, mold growth, and further deterioration of your tankless unit.

Higher Energy Bills

Your monthly natural gas or electricity bill has increased, but your family's hot water usage hasn't changed. This is a clear financial signal that your tankless water heater has lost its efficiency.

When a unit is struggling with internal scale buildup or faulty components, it has to run longer and harder to heat the same amount of water, consuming more energy in the process. You're paying more for less effective hot water, and this inefficiency can shorten the appliance's lifespan.

Error Codes on the Display

Most modern tankless water heaters have a digital display that will show an error code or flashing lights when it detects an internal problem. This is the unit's self-diagnostic system telling you exactly what's wrong.

These codes can point to anything from flame failure and venting obstructions to flow sensor problems. While some issues may seem minor, others can indicate a serious safety hazard, making it critical to have a professional diagnose and resolve the underlying cause.

What's Causing the Problem in Your Clarkston Home

Understanding why your tankless water heater is acting up helps you understand the solution. Most issues we encounter stem from a few common causes, many of which are influenced by local conditions right here in the Clarkston area.

Mineral Buildup and Scaling

As water heats up, naturally occurring minerals like calcium and magnesium separate and stick to hot surfaces, creating a hard, crusty layer called scale. This is the single most common cause of tankless water heater problems.

Clarkston, like much of DeKalb County, has moderately hard water, which means this scaling process is inevitable without proper maintenance. A professional inspection will diagnose the extent of the buildup, and the solution is typically a descaling service that uses a specialized solution to dissolve the minerals and restore your unit's efficiency.

Inadequate Water Flow

Tankless units require a minimum flow rate to activate the heating element. If the flow is too low due to restricted pipes or a clogged filter, the unit may not turn on or may cycle on and off improperly.

In some of the older homes in Clarkston, aging galvanized pipes can corrode from the inside, narrowing the passage for water and reducing flow. Our inspection includes checking your home's water pressure and cleaning the unit's internal filters to ensure it's getting the water it needs to operate correctly.

Gas Supply or Venting Issues

For gas-powered units, proper combustion and ventilation are critical for both performance and safety. An undersized gas line, incorrect gas pressure, or a blocked vent can starve the unit of fuel or prevent dangerous exhaust fumes from escaping.

We often see this in older Clarkston homes where a tankless heater was installed as a replacement for a traditional tank, but the existing gas line wasn't upgraded to meet its higher demand. Our inspection includes a thorough safety check of the gas supply and venting system to ensure everything is operating correctly and safely.

Component Wear and Tear

Like any complex appliance, the internal components of a tankless water heater can wear out over time. Igniters, sensors, fans, and control boards all have a finite lifespan.

High usage patterns in a busy household can accelerate this process, and a lack of regular maintenance means failing parts aren't caught early. A detailed inspection allows our technicians to test these critical components and identify any that are showing signs of impending failure, preventing an unexpected breakdown.

Lack of Regular Maintenance

Many of the problems listed above can be prevented with simple, consistent maintenance. Tankless water heaters require an annual service, including a system flush or descaling, to keep them running efficiently.

Many homeowners, especially those who inherited their unit when buying a home, simply aren't aware of these specific maintenance needs. An inspection is the first step toward getting your unit back on a proper service schedule to protect your investment for years to come.

What to Expect During Our Inspection and Testing Service

When a technician from Head's Plumbing Sales and Service, Inc. arrives at your Clarkston home, you can expect a professional and thorough process, built on generations of plumbing expertise. Our goal is to give you a clear and accurate picture of your system's health.

First, we conduct a comprehensive visual inspection. We'll check the unit itself, all the water and gas connections, and the venting system for any signs of leaks, corrosion, or improper installation. We also ensure the unit has proper clearance for safe operation.

Next, we perform a series of diagnostic tests. This involves measuring the water flow and pressure, verifying that the temperature output is accurate and consistent, and checking the gas pressure to ensure efficient combustion. We'll also check the display for any stored error codes and clean the unit's inlet filter.

Throughout the visit, our technician will explain our findings in plain language and answer any questions you have. We’ll provide a detailed report on your tankless water heater's condition and offer transparent recommendations for any necessary maintenance or repairs. We are committed to providing long-term solutions for homeowners in Clarkston and the surrounding Metro Atlanta areas.

Related Services to Consider

Maintaining your home's hot water system often involves more than just a single service. If our inspection finds significant mineral buildup, our Tankless Water Heater Maintenance & Tune-Up service, which includes a full descaling flush, is the perfect solution to restore performance. Should the inspection reveal that your unit is nearing the end of its life or is too costly to repair, our team can also provide expert guidance on Water Heater Installation & Replacement, helping you select and install a new, high-efficiency system.

The Importance of a Professional Inspection: Why Waiting Costs More

Postponing a professional inspection for your tankless water heater can lead to much bigger problems for your Clarkston home. A struggling unit is an inefficient one, which means you’re paying more on your utility bills every month for subpar performance. What starts as a minor annoyance like fluctuating temperatures can quickly escalate into a complete system failure, leaving you with no hot water and the higher cost of an emergency call.

Most importantly, issues with gas pressure or venting are serious safety concerns that can pose a risk of carbon monoxide exposure. A proactive inspection not only protects your financial investment and prevents inconvenience but also ensures your system is operating safely for your family.

Trust Our Multi-Generational Expertise

For over four decades, Head's Plumbing Sales and Service, Inc. has provided dependable, expert plumbing services built on a legacy of trust and craftsmanship. If your tankless water heater in Clarkston is showing any signs of trouble, don't wait for a small issue to become a major headache. Reach out through our website today to schedule your professional tankless water heater inspection and testing.

Water heater check

Water heater acting up? Repair or replace?

Answer three quick questions for a ballpark recommendation. It's a guide, not a quote — your technician confirms the right call on site.

10 years
New25+ yrs
What type?
What's the main symptom?
Our recommendation
Likely repairable

No hot water is most often a failed element or thermostat (electric), or a pilot/igniter issue (gas) — repairable parts on a unit this age. We'd confirm the exact failure and fix it.

Typical ballpark
Tank repair
$150–$700

Ballpark only — actual cost varies by unit, fuel type, code upgrades, and site conditions. We give you an exact, up-front quote before any work.

Ready to Get Started?

Contact us today for a written estimate — dispatch fee applies and is waived when you approve the work. Our licensed professionals are ready to help.

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