Water Heater Repair in Shreveport, LA

Factory-Trained Technicians Diagnosing and Repairing All Water Heater Types

A malfunctioning water heater disrupts everything from morning showers to evening dishwashing. Mark Johnson & Sons Plumbing provides fast, accurate water heater repair throughout Shreveport, covering both tank and tankless systems from every major manufacturer. Our licensed journeymen arrive with fully stocked trucks and diagnose the issue on the spot — no second trips, no guesswork. As part of our comprehensive water heater services in Shreveport, we deliver professional results backed by decades of experience.

Why Prompt Water Heater Repair Matters

Ignoring early warning signs from your water heater leads to bigger problems. A minor sediment buildup left unchecked corrodes the tank lining and eventually causes leaks that can dump 40 to 80 gallons of water onto your floor. A faulty pressure relief valve can create dangerous pressure conditions inside the tank. Even something as simple as a worn-out heating element drives up your electricity bill month after month while delivering increasingly disappointing results.

In Shreveport’s Red River region, the local water supply carries enough dissolved minerals to accelerate the deterioration of internal components. Anode rods — the sacrificial metal rods designed to attract corrosive elements away from the tank walls — degrade faster in harder water. When they’re consumed, corrosion shifts directly to the tank itself. Regular inspection and timely component replacement prevents a repairable situation from becoming a full system replacement.

Water heaters also represent a significant portion of household energy consumption, typically accounting for 15 to 20 percent of your utility bill. A unit operating below peak efficiency due to a failing thermostat, sediment-clogged burner, or deteriorating heat exchanger costs you money every day the problem persists.

Our Water Heater Repair Services

Tank Water Heater Diagnostics

We systematically test every component — thermostats, heating elements, gas valves, burner assemblies, anode rods, and dip tubes — to identify exactly what’s causing the problem. You receive a clear explanation of the issue and a flat-rate quote before we proceed with any repair.

Tankless Water Heater Repair

Tankless systems display error codes when something goes wrong, but interpreting those codes and accessing the internal components requires specialized training. We service all major tankless brands including Rinnai, Navien, Noritz, and Rheem. Common repairs include flame sensor cleaning, heat exchanger descaling, flow sensor replacement, and control board diagnostics.

Thermostat and Element Replacement

Electric water heaters rely on upper and lower heating elements controlled by thermostats. When one fails, you may get lukewarm water or no hot water at all. We carry replacement elements and thermostats for standard residential models and typically complete this repair within an hour.

Anode Rod Replacement

The anode rod is your tank’s first line of defense against internal corrosion. Once it’s depleted, the tank itself begins to corrode from the inside out. We check the anode rod during every service call and replace it when needed — an inexpensive repair that can add years to your water heater’s life.

Gas Valve and Burner Repair

Gas water heaters that won’t ignite, produce a weak flame, or shut off unexpectedly often have gas valve or burner assembly issues. Our technicians are licensed to work on gas appliances and carry the diagnostic equipment needed to test gas pressure, ignition systems, and thermocouple function safely.

Leak Detection and Repair

Water pooling around your heater could indicate a failed temperature and pressure relief valve, loose fittings, or internal tank corrosion. We pinpoint the source and determine whether a repair will hold or whether the tank’s integrity has been compromised beyond repair.

Call us at 318-319-0220 today or click below to schedule service.

When to Call for Water Heater Repair

• No hot water or inconsistent water temperature
• Water takes much longer than usual to heat up
• Discolored or rusty water from hot water taps
• Unusual sounds — popping, crackling, or rumbling from the tank
• Water leaking from the base or connections of the unit
• Pilot light won’t stay lit on a gas water heater
• Circuit breaker trips repeatedly when the water heater runs
• A burning or sulfur smell near the unit

Why Choose Mark Johnson & Sons in Shreveport

• Same-day repair service — we understand that no hot water is an emergency, and we respond accordingly
• Flat-rate pricing presented upfront — you approve the cost before any wrench turns
• Parts on the truck — our vehicles carry the most common water heater components, eliminating delays
• All brands, all fuel types — gas, electric, hybrid, tank, and tankless from any manufacturer
• Licensed and insured journeymen — every technician holds the credentials required by Louisiana state licensing
• Veteran-owned, family-run since 1997 — Mark, Michael, and John Johnson stand behind every repair

Frequently Asked Questions

How quickly can you get to my Shreveport home for a water heater repair?

We offer same-day service for most water heater calls in the Shreveport area. Emergency situations — such as active leaks or gas odors — are prioritized and dispatched immediately. Call 318-319-0220 and we’ll provide an estimated arrival window.

How do I know if my water heater needs repair or replacement?

Age and repair cost are the two biggest factors. If your unit is under 8 years old and the repair is straightforward, fixing it makes sense. If it’s approaching 10 to 12 years old, has a history of problems, or the repair cost exceeds half the price of a new unit, replacement is usually the smarter investment.

Why is my water heater producing rusty water?

Rusty water from hot taps typically means the anode rod is depleted and internal corrosion has begun. If caught early, replacing the anode rod may resolve the issue. If the tank itself is corroding, replacement is necessary to prevent leaks.

Can sediment buildup be fixed?

Yes. We drain the tank and flush accumulated sediment from the bottom. For severe buildup, we may need to perform multiple flush cycles. Annual flushing prevents sediment from reaching levels that damage heating elements or reduce tank capacity.

Why does my water heater make a popping sound?

Sediment that settles at the bottom of the tank traps water beneath it. When the burner heats that trapped water, it creates steam bubbles that pop as they escape through the sediment layer. A professional flush eliminates the noise and restores efficient heating.

Is it safe to keep using a leaking water heater?

It depends on the source of the leak. A dripping relief valve may be a simple repair. Water seeping from the tank body indicates internal corrosion and the unit should be replaced promptly to avoid a catastrophic failure that floods your home.

Do you repair tankless water heaters?

Absolutely. We’re trained on all major tankless brands and carry the diagnostic tools needed to read error codes, test sensors, and service heat exchangers. Tankless repairs are often less invasive than tank repairs once the issue is properly diagnosed.

What does water heater repair cost in Shreveport?

Repair costs depend on the specific component that needs attention. Minor repairs like thermostat or element replacement are on the lower end, while gas valve or heat exchanger work costs more. We provide a flat-rate quote after diagnosis so there are no surprises.

Can Shreveport’s water quality affect my water heater?

The Shreveport water supply contains moderate levels of dissolved minerals that contribute to sediment accumulation and scale formation inside water heaters. This accelerates component wear, particularly on heating elements and inside tankless heat exchangers. Annual maintenance is the best defense.

Do you offer emergency water heater repair?

Yes. We provide 24/7 emergency service for Shreveport and the surrounding area. Active leaks, gas odors, and complete loss of hot water are all situations where you shouldn’t have to wait until the next business day.

Related Shreveport Services

• Tankless Water Heaters in Shreveport
• Water Heater Installation in Shreveport

View all water heater services in Shreveport or explore our full Shreveport service area.

Contact Us Today

A failing water heater gets worse with time, not better. Mark Johnson & Sons Plumbing has the experience, parts, and availability to get your hot water back fast. Call 318-319-0220 for same-day water heater repair in Shreveport, LA. Old-fashioned service with modern technology — that’s what we deliver.