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Your Local Roto-Rooter Plumber in

Saint Louis, MO

314-925-2651

Open 24/7,
7 Days a Week

Water Heater Repair in St. Louis

Since 1935, Roto-Rooter has helped St. Louis homeowners and businesses keep their hot water flowing reliably. Whether your water heater is leaking, making strange noises, or producing inconsistent temperatures, our experienced emergency plumbers deliver expert water heater repair, professional maintenance, replacement, and installation services you can trust.

Why Choose Roto-Rooter for Water Heater Repairs in St. Louis?

  • 24/7 Emergency Availability: Hot water outages don’t stick to a schedule. That’s why our St. Louis emergency plumbers are available day and night — weekends and holidays included — for emergency water heater repairs and replacements.
  • Local Knowledge, Lasting Solutions: From historic homes in Soulard to modern builds in Chesterfield, our technicians understand St. Louis plumbing systems and local codes. We service all makes and models of gas, electric, and tankless water heaters.
  • Transparent Pricing & Financing: We assess your unit, explain every option clearly, and provide upfront estimates — no hidden costs. Plus, we offer flexible financing options to make water heater replacement in St. Louis easy on your budget.

Whether you need a quick repair or a full upgrade, Roto-Rooter restores your hot water fast. Call 314-925-2651 or schedule online today for trusted water heater repair in St. Louis.

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Why Is Professional Water Heater Repair Important?

Your water heater quietly works behind the scenes every day — until it doesn’t. Over time, sediment buildup, rust, and worn-out components can reduce efficiency or lead to serious leaks. Timely water heater repair helps you avoid costly damage, cold showers, and unnecessary replacements.

Benefits of professional repair include:

  • Prevent Costly Damage: Fixing small leaks early prevents tank bursts or water damage.
  • Improve Efficiency: Proper maintenance reduces energy waste and lowers utility bills.
  • Extend Equipment Life: Routine care keeps your system working better, longer.
  • Prevent Mold & Corrosion: Missouri’s fluctuating humidity can worsen small leaks — professional service keeps them in check.

Don’t wait until you’re left in the cold — call Roto-Rooter for fast, dependable service today.

FREQUENTLY ASKED QUESTIONS

How long does a water heater installation take?

Most installations take a few hours, depending on your system type and setup.

How often should I have my water heater serviced?

Your water heater should be serviced at least once a year. Regular maintenance ensures your unit operates efficiently and helps identify potential issues before they become major problems. During a service visit, the technician will typically flush the tank, inspect the anode rod, check for leaks, and assess the unit's overall condition. We also offer video sewer inspection to check your underground water lines and ensure that water is flowing freely to your water heater. 

How do I know if I need water heater repair?

If your water isn’t heating evenly, the tank is leaking, or you hear popping noises, it’s time to call a professional.

Do cold winters affect my water heater?

Yes. St. Louis’s freezing temperatures can stress your water lines and reduce heater performance. Regular maintenance helps prevent this.

Why is my water heater leaking from the bottom?

A bottom leak often indicates that the tank is corroded and may need to be replaced. Our experts can confirm and recommend the right solution.

What causes water heaters to fail in St. Louis homes?

Hard water mineral buildup, fluctuating temperatures, and corrosion from older plumbing systems are common culprits.

How long should a water heater last in St. Louis’s climate?

Typically, 8 to 12 years. However, areas with hard water, like parts of South County, may experience shorter lifespans.

Can you help with water heater maintenance in commercial buildings?

Definitely. We service all types of commercial plumbing and offer customized maintenance plans for businesses throughout the greater St. Louis area.

Are permits required for water heater installation in St. Louis?

Yes, in many cases. Roto-Rooter handles all required permits and ensures your installation complies with city codes.

What’s the average cost of water heater repair in St. Louis?

Costs depend on the issue and type of unit, but Roto-Rooter provides upfront pricing with no surprises.

Serving the entire Saint Louis metro area, Including:

Counties in the St Louis Metro Area

MO: Washington, Saint Louis, Saint Charles, Jefferson, St. Louis, Sainte Genevieve, Franklin, Lincoln, Warren, Saint Louis City, Montgomery, Pike, Crawford
IL: Randolph, Saint Clair, Greene, Madison, Monroe, Calhoun, Macoupin, Jersey, Bond, Pike
Roto-Rooter Plumbing & Water Cleanup is proud to provide expert Plumbing, drain cleaning and water cleanup services to the St Louis area.
Manager:Ryan Mager
Location:2671 Washington Ave
St Louis, MO 63103
Phone Number:314-925-2651

Financing Water Heater Repair Services

Unexpected repairs don’t have to strain your budget. Roto-Rooter offers flexible financing options through Synchrony Bank, making it easier to get your water heater repaired or replaced without delay.

No matter if you have water heater troubles, leaking faucets, running toilets, a broken garbage disposal, dishwasher issues, or any other plumbing problem, we provide clear, upfront estimates and simple monthly payment options to keep your plumbing needs stress-free and affordable. Ask about financing when you schedule your water heater replacement in St. Louis.

Different Types of Water Heater Systems We Repair

Our St. Louis plumbers work with every major water heater type:

  • Traditional Tank Models: Dependable and affordable, ideal for most homes.
  • Tankless Water Heaters: Energy-efficient systems that deliver endless hot water.
  • Hybrid Water Heaters: Combine tank and heat-pump technologies for maximum efficiency.

Whether it’s repair, replacement, or new water heater installation in St. Louis, Roto-Rooter has you covered.

Same Day Water Heater Repair Service. Schedule Now.

Roto-Rooter offers same-day water heater repair in St. Louis for homes and businesses. Call 314-925-2651 or schedule online today. Trusted and recommended since 1935, Roto-Rooter is St. Louis’s go-to plumbing company for reliable service.

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Services Offered

Roto-Rooter provides complete water heater services throughout the St. Louis area — from repair and maintenance to water heater installation.

  • Water Heater Repair: Expert diagnosis and repair for all models — tank, tankless, gas, or electric.
  • Water Heater Installation: Professional installation that meets St. Louis plumbing codes and safety standards.
  • Water Heater Replacement: When your old system can’t be fixed, we handle full replacements, including removal and setup.
  • Tankless Water Heater Service: Repair, install, or maintain space-saving, energy-efficient tankless systems.
  • Water Heater Maintenance: Regular flushing, inspection, and tune-ups to prevent breakdowns.
  • Emergency Repairs: No hot water? Our team offers 24/7 emergency water heater repair for immediate help.

All work complies with St. Louis plumbing codes, and every job is completed with precision and care.

24/7 Water Heater Repair in St. Louis

When your water heater breaks, there’s no time to waste. Whether you’re dealing with a faulty heating element, leaking tank, or no hot water at all, Roto-Rooter’s local team is standing by — 24 hours a day, 7 days a week.

We’ll arrive quickly, identify the issue, and restore your hot water safely and efficiently. Call 314-925-2651 or schedule online for same-day water heater repair in St. Louis.

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SPECIAL FINANCING AVAILABLE

We have partnered with Synchrony Bank to offer financing options to make your plumbing repair expenses as convenient and stress-free as possible.