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Automatic Air Conditioning, Heating & Plumbing Blog

What To Do When Your Water Heater Starts To Make Noise


Water heaters come in many shapes and sizes based on the needs of the building they serve. With that said, just about any type of water heater in Memphis should operate as quietly as possible. While “quiet” doesn’t mean “silent,” it is never good to hear a ruckus coming from this home system.

When your water heater starts to create noises, you may not notice it at first. However, louder sounds are going to be hard to brush off, especially if you know that they indicate trouble. Check out these potential water heater noises, what they mean, and how we can help.

Water Heater Noises You Can’t Ignore

One of the many early warning signs of a repair need that your water heater may provide is uncommon noises. Here are the top three to watch out for:

  • Kettling: The only thing that should be creating a high-pitched whistle in your home is your tea kettle. If your water heater is making this noise, make sure to reach out for repairs ASAP. Kettling is created by issues that are restricting water flow in your home.
  • Rumbling: As your water heater starts to heat up, you might pick up on a rumbling noise. This may indicate a build-up of sediment in your water heater. As the water warms it will shift around that sediment, creating this noise. A professional can flush your system to address this.
  • Crackling: have you noticed that your water heater is making some crackling noises? This can indicate condensation on your gas burners if you have a gas-powered system. This could mean that you need to schedule maintenance sometime soon to clean things off.

Other Signs of Water Heater Trouble

Noises aren’t the only things that can indicate trouble in your water heater. The key is that you want to get your water heater fixed before you lose any access to hot water. Be on the lookout for some of these other signs that something is wrong with your water heater so you know when to reach out to us for repairs:

  • Low water pressure: If you turn on a hot water tap in your home and you notice that the water pressure is less than what it normally is, don’t write it off. Something may be hindering the flow of water such as built-up sediment or scaling.
  • Leaking water: If something seems off with your hot water, check on your system itself to look for leaks. Worn-down connections or lines may allow hot water to escape your system which can mess with your supply.
  • Metallic water: Is the water from your taps metallic in taste or smell? Maybe it is rusty in color. These are all indicators of rust or corrosion within your water heater.

When something goes wrong with your water heater, whether it is a noise, smell, or leak, it pays to reach out for professional repairs as soon as you can. The earlier you get repairs knocked out, the better off you’ll be.

Contact Automatic Air Conditioning, Heating & Plumbing to get your water heater repairs taken care of.

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