Tankless Water Heater Repair

Tankless Water Heater Repair in Houston, TX

Reliable Service from the Noritz Experts at Blackmon Plumbing

When your tankless water heater isn’t performing like it used to—or worse, it stops working altogether—Blackmon Plumbing is here to help. As one of Houston’s premier Noritz dealers, we specialize in diagnosing and repairing all models of Noritz tankless water heaters, as well as other major brands. Our licensed plumbers are trained to provide fast, honest, and professional service throughout the greater Houston area, including The Woodlands, Baytown, and North Houston.

Signs Your Tankless Water Heater Needs Repair

Even the most dependable systems occasionally need expert attention. Common signs include:

Inconsistent hot water or no hot water at all

Error codes displayed on your unit

Strange noises like banging or humming

Reduced water pressure

Fluctuating water temperatures

If you’re experiencing any of these issues, don’t wait—addressing the problem early can help prevent further damage and save you money.

Why Choose Blackmon Plumbing for Tankless Water Heater Repairs?

At Blackmon Plumbing, we bring over 25 years of trusted service to every job we do. Here’s what makes us stand out:

Factory-trained Noritz specialists

Thorough diagnostics and upfront pricing

Fully stocked trucks for same-day repairs

Transparent recommendations—no upselling

Commitment to customer satisfaction

We don’t just repair—we help extend the life of your tankless system with care and precision.

Our Tankless Repair Process

Diagnosis

We perform a detailed inspection to pinpoint the exact issue.

Consultation

You get a clear explanation of what’s wrong, what it will take to fix it, and your options.

Expert Repair

Whether it’s a failed igniter, scale buildup, or a flow sensor malfunction, we’ll fix it fast and right.

Final Testing

We confirm your system is working flawlessly and efficiently before we leave.

Schedule Your Tankless Repair Today

Don’t let a malfunctioning water heater disrupt your day. Call Blackmon Plumbing for expert tankless repair you can trust. We’re standing by to restore your hot water and peace of mind.

Need Help Now?

Call us or schedule online to get started with fast, friendly service.

Expert Tankless Water Heater Repair Services in Houston

At Blackmon Plumbing, we specialize in tankless water heater repair with a level of precision, speed, and professionalism that’s unmatched in the Greater Houston area. As one of Houston’s premier Noritz dealers, we have deep expertise in these high-efficiency systems and stock many common parts at our Baytown shop, allowing us to deliver faster turnaround times for repairs.

Whether you live in North Houston, The Woodlands, or anywhere across the metro area, you can count on our experienced plumbers to diagnose and fix your tankless water heater issues promptly and properly.

Understanding Tankless Water Heater Failures

At Blackmon Plumbing, we bring over 25 years of trusted service to every job we do. Here’s what makes us stand out:

Mineral buildup from hard water scaling the heat exchanger

Ignition or flame failure

Error codes related to temperature sensors or flow rates

Blocked exhaust vents

Cold water sandwich effect

Gas line pressure inconsistencies

Our team is trained to troubleshoot all major brands, with a strong emphasis on Noritz tankless water heater repair, thanks to our dealership status and brand partnership.

Why Prompt Repairs Matter

A malfunctioning tankless water heater doesn’t just cause discomfort — it can also signal serious underlying issues that compromise system lifespan and safety. Ignoring repairs may lead to:

Higher energy bills

Intermittent hot water or no hot water

Water damage from leaks or system failure

Void manufacturer warranty from delayed servicing

We treat every repair with urgency. Our licensed technicians arrive in fully stocked trucks and leverage advanced diagnostics to restore full function to your tankless unit the same day whenever possible.

Signs You Need Tankless Water Heater Repair

If you’re noticing any of the following, it’s time to call Blackmon Plumbing:

Fluctuating water temperatures

Error codes displayed on the unit

Unusual noises during operation

Lower water pressure

Sudden increase in gas or electric bill

System shuts off during showers

Our goal is to eliminate guesswork. We pinpoint the issue quickly and explain it clearly, so you know exactly what needs to be done.

What Makes Blackmon Plumbing Different

At Blackmon Plumbing, we bring a people-first approach to tankless water heater repair:

Noritz Certified: Our technicians are specially trained to work on Noritz tankless systems.

Local & Trusted: Based in Baytown, we proudly serve all of Houston, including The Woodlands and North Houston.

Fast Access to Parts: We keep a wide selection of parts on-hand, reducing downtime.

Licensed & Insured: Every service is performed to code by fully credentialed professionals.

Upfront Pricing: We provide detailed quotes before we begin the work — no surprises.

24/7 Emergency Support: Hot water emergencies don’t wait — neither do we.

How We Repair Tankless Water Heaters

Diagnostic & Inspection

We begin by connecting advanced diagnostic tools to your tankless unit, identifying fault codes and visually inspecting internal components.

Component Testing

Heating elements, igniters, sensors, and control boards are tested for functionality.

Cleaning & Descaling

If mineral scale is the issue, we perform a complete flush using manufacturer-approved cleaning solutions.

Parts Replacement

Faulty valves, sensors, or control modules are replaced with OEM Noritz parts for long-term reliability.

System Reset & Calibration

Once repairs are made, we reset and calibrate your system to ensure it performs as efficiently as when it was new.

Our Local Reach

Blackmon Plumbing is the name homeowners trust for tankless water heater repair in Houston, and we’re expanding our focus in North Houston and The Woodlands to meet growing demand. If you’re within reach of our Baytown HQ, you’re within reach of dependable hot water — fast.

We service:

Baytown

The Woodlands

Spring

Humble

Atascocita

Conroe

Tomball

North Houston

Kingwood

Pasadena and more

We Repair More Than Just Noritz

While Noritz is our specialty, we repair a wide range of major tankless water heater brands, including:

Rinnai

Navien

Bosch

Takagi

Rheem

Stiebel Eltron

Our technicians are fluent in the mechanics of all major models.

Preventative Maintenance Plans

One of the best ways to avoid costly repairs is through routine maintenance. We offer customizable maintenance programs that include:

Annual descaling

Vent inspection

System flushing

Sensor recalibration

Gas pressure checks

By servicing your system proactively, we help you extend its lifespan and protect your warranty.

Frequently Asked Questions

How do I know if my tankless water heater needs repair?

If you’re experiencing inconsistent hot water, error codes on the unit, unusual noises, or rising utility bills, it’s time to call a professional for a system evaluation.

Can you repair any brand of tankless water heater?

Yes, although we specialize in Noritz systems, our technicians are fully equipped to repair most major brands, including Navien, Rinnai, Bosch, and Rheem.

How long does a typical tankless water heater repair take?

Most repairs can be completed in one visit. Since we keep a large inventory of parts in stock, we’re often able to get your system running the same day.

Will I need to replace my tankless water heater, or can it be fixed?

In many cases, issues such as sensor errors, scale buildup, or ignition problems can be repaired without replacing the entire unit. We’ll provide a clear diagnosis and honest recommendation.

Do you offer emergency tankless water heater repair in Houston?

Yes! We provide emergency services throughout Houston, including The Woodlands and North Houston, for customers who lose hot water unexpectedly.

Schedule Your Tankless Water Heater Repair Today

If your tankless water heater isn’t performing the way it should, don’t wait for the problem to get worse. At Blackmon Plumbing, we’re ready to deliver the quick, professional help you need.

Call us now to speak with a friendly team member or use our convenient online scheduling form.

Stay hot with Houston’s most trusted tankless water heater repair team.

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Call us now at (281) 427-8325

Blackmon Plumbing

Tankless Water Heater Repair