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How to Tell If Your Water Heater Is Functioning Properly: 3 Essential Tips

Writer's picture: Ken Pringle Ken Pringle

Your water heater plays a crucial role in your daily comfort, but how often do you check to ensure it's working efficiently? Whether you have a traditional water heater, a tankless water heater, or an electric on-demand water heater, regular maintenance can help you avoid sudden breakdowns or costly water heater repair. Below are three tips to help you assess your water heater’s performance and decide whether you need professional help.


1. Check the Water Temperature


An easy way to gauge your water heater’s functionality is by checking the temperature of your hot water. Here’s how:


  • Run hot water from a tap for about one minute.

  • Use a thermometer to measure the water temperature—it should read at least 120°F.


If your hot water takes too long to reach this temperature, it may indicate an issue with your tankless water heater or traditional unit. The U.S. Department of Energy notes that most tankless water heaters provide 2 to 5 gallons of hot water per minute. Slower performance might point to sediment buildup, a failing heating element, or the need for hot water heater repair.


2. Inspect the Physical Condition of Your Water Heater


Take a moment to visually examine your water heater for potential issues. Here are some key areas to check:


  • Leaks and Corrosion: Look for cracks, corrosion, or signs of water pooling around the unit.

  • Pressure Relief Valve: A dripping valve might signal excess pressure or the need for a replacement.

  • Unusual Noises: If you hear rumbling or popping sounds when the burner is on, sediment buildup may be the culprit. This sediment reduces efficiency and can lead to overheating.


Regular inspections can help you catch small problems before they escalate, saving you from costly water heater replacement or emergency repairs.


3. Monitor Efficiency and Energy Usage


If your utility bills are creeping up, your water heater may not be operating efficiently. This is especially true if you’re running out of hot water more frequently.


Older water heaters—particularly those over 8 to 10 years old—lose efficiency over time. Replacing an outdated unit with a new ENERGY STAR-certified water heater, such as a Rheem water heater, can lower your energy costs significantly.


For homeowners with electric tankless water heaters or Navien tankless water heaters, energy efficiency is a key selling point. If your system isn’t delivering on that promise, it may need repairs or servicing.


When to Call for Professional Water Heater Repair Services


If you notice any of the issues above—such as inconsistent hot water, leaks, or increased energy costs—don’t wait for a complete system failure. Call Plumbing Today LLC for fast and reliable hot water heater repair near me. We also offer expert services for water heater replacement, including guidance on choosing the best unit for your needs, whether it’s a Bradford White water heater or an electric on-demand water heater.


Why Choose Plumbing Today LLC?


At Plumbing Today LLC, we specialize in keeping your home’s water systems running smoothly. From hot water tank repair near me to installing the latest instant water heater electric models, we’ve got you covered. Contact us today to schedule an appointment and ensure your water heater is in peak condition.



Another flawless installation by Plumbing Today LLC! This high-efficiency water heater is ready to provide reliable hot water for years to come. Need an upgrade or repair? Call us today!
Professional Water Heater Installation by Plumbing Today LLC

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Omaha , NE 68124

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