Anthony Navarro

By: Anthony Navarro on October 5th, 2023

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Do I Need to Install a Water Softener for My Tankless Water Heater? (Video)

If you own a tankless water heater or are considering getting one, you've likely come across terms like "hard water," "water filtration," and "water softener." These terms are crucial in understanding how to maintain a functional tankless water heater in your home.

Hard water, rich in minerals, can lead to early breakdowns in tankless water heaters. Mineral deposits accumulate inside the heating elements and pipes, causing various issues. Moreover, hard water can harm your plumbing system and appliances beyond just the water heater. To combat this, a whole-house water softener is recommended, as it reduces water hardness and safeguards your plumbing and tankless water heater. While not mandatory, manufacturers often suggest installing some form of water treatment to prevent hard water issues, which can even void the warranty.

Now, let's explore the benefits of adding a water softening system to your tankless water heater:

1. Extended Lifespan: Hard water can lead to overheating and clogs in your water heater, causing unnecessary wear and tear. Water softeners prevent mineral build-up, ensuring a longer life for your tankless water heater.

2. Quick Hot Water: Hard water minerals can slow down the heating process, making it take longer to get hot water. Water softeners remove these minerals before they enter the water heater, ensuring immediate access to hot water and enhancing efficiency.

3. Cleaner Dishes: Hard water leaves unsightly marks on dishes. Water softeners eliminate excess minerals, keeping your dishes spotless and ready for use.

4. Energy and Cost Savings: Mineral deposits in pipes make your water heater work harder, consuming more energy and leading to higher bills. Water softeners maintain the health of pipes and components, preventing deposits and saving energy.

While a water softener isn't mandatory for your tankless water heater, it's strongly recommended to protect your investment. Manufacturers may void the warranty without one. In essence, a tankless water heater is an investment, and a water softener can safeguard it from the damaging effects of hard water, ensuring longevity and cost savings in the long run. So, consider adding a water softening system to your tankless water heater for a smoother, more efficient, and longer-lasting hot water supply in your home. 


If you want to learn about the costs associated with a water softener you can watch our in depth video here.

If you would like to explore what a water softener looks like for your homes setup can always give us a call or book online with one of the buttons below. If you want to learn about the costs associated with a water softener you can watch our in depth video here.

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