Water Heater Repair

Water Heater Repair in Corpus Christi

Licensed Local Technicians, Authorized by the Brands They Service

When your water heater fails, you need a team that knows the equipment and knows the area. Custom Filtration & Plumbing Co. repairs tank and tankless water heaters, gas and electric, for homes and businesses across Corpus Christi and Nueces County. As an authorized repair representative for A.O. Smith, State, Whirlpool, Rheem, Navien, and Rinnai, our technicians are trained to manufacturer specifications on the brands most commonly installed in this area.

We’ve been serving this community since 1996. Veteran-owned and family-operated, every technician on our team is fully licensed, insured, and background-checked. Same-day service is available when your situation can’t wait, and our flat-rate pricing means you’ll know the full cost before we touch anything. Financing is available for qualifying customers.

Don’t go without hot water longer than you have to. Call Custom Filtration & Plumbing Co. at (361) 240-8466 to schedule your repair today.

Why Corpus Christi Homeowners Call Us First

Our authorized representative status means our technicians aren’t just familiar with these brands. They’re trained to the manufacturer’s own standards for diagnosis and repair. That can translate to faster, more accurate fixes on the equipment already in your home.

Nearly 30 years working in the Coastal Bend has given us direct experience with how this environment affects water heaters. Salt air accelerates corrosion on tank bodies and connections. Corpus Christi’s mineral-heavy water supply degrades components from the inside. Our team has seen these patterns play out across thousands of service calls, and we know which components to check first.

Every job is backed by our satisfaction commitment: we’re not finished until you’re fully satisfied. Warranty upgrade options are available on repairs and installations for added long-term protection. Our technicians arrive on time, explain the work clearly, and clean up completely before they leave. We also train continuously to stay current with evolving water heater technology and manufacturer updates.

Why Choose Us?

What Makes Us Different

Top-Notch Workmanship
Get quality work performed by our well-trained, background-checked technicians.
Your Satisfaction Guaranteed

We never leave you unhappy! We do what it takes to guarantee your satisfaction.
Same-Day Service Available
Get a plumber out fast with our same-day appointments.
Affordable Financing Options
Our flexible financing options support you however you'd like to pay.

Common Water Heater Problems We Repair

Catching the warning signs early can keep a manageable repair from turning into a full replacement. If you’re noticing any of the following, it’s time to call our team.

Signs your water heater needs attention:

No hot water or only lukewarm output
Inconsistent or fluctuating water temperatures
Popping, rumbling, or whining sounds from the tank
Water pooling near the unit or at connections
Rust-colored or foul-smelling water
Reduced hot water pressure throughout the home

Our technicians diagnose and repair the full range of water heater failures: thermostat and heating element replacement, gas valve and burner assembly issues, anode rod replacement, sediment flushing, temperature and pressure (T&P) relief valve service, and connection leaks. Corpus Christi’s mineral-rich water supply accelerates sediment accumulation at the bottom of tanks, which reduces efficiency and causes the rumbling or popping sounds many homeowners notice first. Salt-laden coastal air adds external corrosion pressure, especially in homes near the bay.

On every visit, we inspect the unit thoroughly and give you a clear recommendation before any work begins. If repair is the right call, we’ll tell you exactly why. If replacement makes more sense, we’ll say that instead.

What to Expect When You Call Us

The process starts with a straightforward conversation. When you contact us, we’ll ask about the problem, walk through scheduling options, and get a technician to you as quickly as possible. Same-day availability applies to urgent failures.

Before any work starts, we provide flat-rate pricing for your approval. Nothing begins until you’ve agreed to the cost. Our background-checked technicians arrive on time, explain what they’re doing, and work efficiently to minimize disruption to your day. When the job is done, they review the completed work with you, clean up fully, and go over warranty upgrade options and any recommended maintenance going forward.

For jobs that require a city permit, such as gas water heater replacements, our team handles the coordination so you don’t have to navigate that process alone.

Schedule Your Corpus Christi Water Heater Repair

A failed water heater disrupts your household fast. Custom Filtration & Plumbing Co. offers same-day service for urgent situations and straightforward scheduling for everything else. Call us at (361) 240-8466 or reach out online to get started. We can confirm your appointment, give you a clear price upfront, and send a qualified technician who knows this equipment and this area.

How Corpus Christi’s Coastal Climate Affects Your Water Heater

The Coastal Bend puts water heaters under stress that most parts of the country don’t see. Corpus Christi draws its water supply from Lake Corpus Christi and Choke Canyon Reservoir, and by the time it reaches your home, it carries high dissolved mineral content. That mineral load builds up as scale on heating elements and as sediment on the bottom of tank units, forcing longer heating cycles, raising energy consumption, and shortening component lifespan.

Salt air compounds the problem from the outside. Homes near the bay see accelerated oxidation on tank exteriors and at pipe connections. Anode rods, sacrificial components designed to protect the tank lining from internal corrosion, deplete faster in these conditions. Once an anode rod is spent, the tank itself begins corroding from the inside.

For tank water heaters, annual flushing and periodic anode rod inspection are the standard maintenance recommendations in hard-water coastal environments. Tankless units benefit from annual descaling of the heat exchanger, where mineral deposits can restrict flow and reduce output if left unaddressed. Our team has been working through these exact conditions since 1996, and that experience shapes how we approach every unit we service in this area.

Repair or Replace: How to Think Through the Decision

Not every water heater problem calls for a new unit, and not every repair is worth the investment. Here’s a straightforward framework for thinking it through.

Repair is usually the right call when:

The unit is under 8 years old and experiencing a single, isolated failure
The repair cost is well below half the cost of a comparable new unit
The tank body is intact, with no active leaks
For tankless units, the heat exchanger hasn’t failed

Replacement typically makes more sense when:

The unit is over 10 years old, particularly in Corpus Christi where hard water can shorten tank life below the typical 8 to 12-year range
The tank body is leaking
Repair costs approach or exceed half the price of a new unit
The unit has a growing history of repeated repairs

The most reliable way to make this call is a professional assessment covering anode rod condition, sediment level, tank integrity, and overall system performance. Our technicians provide that evaluation on every visit and give you an honest recommendation based on what they find.

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Areas We Serve

Alice
Calallen
Corpus Christi
Odem
Port Aransas
Portland
Rockport
Sinton
Taft