Tankless Water Heater

Best Tankless Water Heaters For Hard Water | Top Reviews

 

 

 

 Sio Green IR288 V2-220v


 

 Eemax EEM24027


 

 EcoSmart ECO 27


Hard water is still liquid. It is a mineral deposit that makes it hard. You will find calcium, magnesium, and manganese, and silicone among the other elements within this type of water. So, this specific type of water will damage your water heater, if you are not careful.

 

How?

 

I went into detail about the process in the next bit of the article that I wrote. Moreover, normal water heaters take damage and lose their efficiency over time.

 

So, the best water heaters for hard water are the answer to all your woes. Yes, they’re water heaters. But, they’re specially designed to counter the mineral-filled liquid.

 

Furthermore, hard water can be a nuisance and shorting the life of your water heater. Not only, does it leave a deposit that makes the maintenance of the water heater more frequent? But, it also tends to jam the heater and reduce its heating efficiency.

 

Besides, destroying the pipes & taps in your bathroom and kitchen. It can have a harmful effect on your appliances. Therefore, tankless water heaters are specially made to withstand hard water.

 

Also, read our latest guide about the best tankless water heaters for RV.

 

Best Tankless Water Heater For Hard Water

 

We recently reviewed the best condensing tankless water heater. So, if you’re looking for the best tankless water heater for hard water, then you are landing in the right place.

 

In this guide, we’ve reviewed the top-rated best hot water heater for hard water including their feature, quality, performance, user reviews,  pros, and cons. Also, this guide will help you to pick the right tankless water for hard water.

 

IMAGE PRODUCT DETAILS
Stiebel Eltron Tempra Plus 29
  • 240 Volts
  • Easy operation
  • Warranty included
  • 43-degrees Fahrenheit
Check Price
Rinko Electric Tankless Water Heater
  • 18000 watts
  • 10 fold security technology system
  • Designed for the whole house
  • Affordable
Check Price
Sio Green IR288 V2
  • 40-degrees Fahrenheit
  • 1.7 gallons-per-minute (GPM)
  • Patented technology
  • No coil metallic elements
Check Price
Eemax EEM24027 tankless water heater
  • Compact design
  • Selfe modulating technology
  • Stainless steel
  • 5.3 gallons per minute
Check Price
EcoSmart ECO 11
  • Lifetime warranty
  • 99.8% energy efficient
  • compact design
  • 50% lower the electricity cost
Check Price
EcoSmart ECO 27
  • saving of up to 50% on water heating costs
  • Digital temperature controls
  • Breaker quantity
  • Durable
Check Price
Bosch Electric Mini-Tank Water
  • 7 gallons-per-minute (GPM)
  • Reliable water sources
  • Easily mounted
  • Highly recommended
Check Price
Ariston Andris tankless water heater
  • 2000 watt heating elements
  • from 65-degrees Fahrenheit to 161-degrees Fahrenheit
  • 8 gallons-per-minute (GPM)
  • Relief valve
Check Price

 

1- Stiebel Eltron Tankless Water Heater – best hot water heater for hard water

Stiebel Eltron Tempra Plus – Tankless water heater

 

This tankless water heater is the flagship product from the Stiebel Eltron. This tankless water heater hard well water has a water flow rate of up to 4.0 gallons per minute (GPM), which is decent for an electric tankless water heater.

 

Moreover, this water heater s suitable for small homes. Whereas, two can provide enough power for large homes. Overall, it is the ideal tankless water heater for hard water.

  • Quality: This commercial tankless water heater loaded with the advanced flow control German patented technology was invented by Stiebel Eltron. It also has a smart sleek design that attracts people.
  • Performance: This water softener for tankless water heater has a reasonably high-temperature rise of 43-degrees Fahrenheit with 99% energy efficiency. In addition, it comes with a decent flow rate of up to 4.0 gallons per-minutes (GPM) that’s ideal for an electric tankless water heater. This water softener tankless water heater equipped with digital controls and a smart sleek design which allows it to be a wall-mounted water heater.
  • Features: This best tankless water heater for hard water features a smart sleek white design saves space yet still provides endless hot water for your whole house & no venting is required. It also features an easy operation and warranty included.
  • Users reviews: This product contain an 80% – star rating from its customers.
  • Overall rating: 4.6 out of 5.0.
  • Best use: This Stiebel Eltron is best to use for hard water and the ideal tankless water heater for one shower.

Pros

  • Ideal flow rate
  • Space saver
  • Easy operation
  • TEMPRA 24-plus
  • Warranty included

Cons

  • Does not work very well

2- Rinko Electric Tankless Water Heater – tankless water heater with well water

Rinko Electric Tankless Water Heater – tankless water heater with well water

 

As we all know that Rinkmo is a well-known water heater manufacturing company that delivers compact, portable, and lightweight tankless water heater at affordable prices for consumers.

 

Moreover, this tankless water heater is no need to preheat before using the instant tankless water heater. This best electric hot water heater for hard water comes with the fold security technology system.

  • Quality: This best water softener for tankless water heaters saves money and is made up of high-quality materials. It has an attractive design.
  • Performance: This hard water filter for tankless water heater has designed for the whole house using especially those with the babies at homes. So, the inner water & electricity lines are designed to run separately. So, as to avoid rustng and mineral buildup that does great harm to the water quality. Furthermore, it comes with smart modulating technology & a formula to calculate the difference between the desired temperature and current temperature.
  • Features: This best gas tankless water heater for cold climates features saves money and comes with the 10 fold security technology system. It also features smart modulating technology and formula.
  • Users reviews: This unit contains a  70% – star rating from its customers.
  • Overall rating: 4.3 out of 5.0.
  • Best use: This tankless water heater is best to use for a bathroom bathtub and an ideal tankless water heater for a small sink.

Pros

  • Affordable
  • Security technology system
  • Save money
  • Designed for the whole house
  • Smart modulating technology

Cons

  • No batteries included

3- Sio Green IR288 V2 tankless water heater hard well water

Sio Green IR288 V2– tankless water heater hard well water

 

If you are looking for the best tankless water for hard well water, then this Sio Green IR288 is the ideal choice for you. This water heater is a low-cost product. But, it is still a high energy rating of 98%.

 

Furthermore, it has a reasonably fine temperature rise of 40-degrees Fahrenheit. So, these features make it a great option for RV tankless water heater and point of use as well.

  • Quality: This best propane tankless water heater for cold climates made up of quality product that makes it portable and compact. It comes with patented technology.
  • Performance: This tankless water heater has a water flow rate of 1.7 gallons-per-minute (GPM). This hard water tankless water heater is free from metallic elements which means that there’s no risk of corrosion. Moreover, it creates heat without direct contact with the metals which will in turn prevent corrosion, limescale deposit, and calcium build-up.
  • Features: This best electric hot water heater for hard water features a 100% satisfied with your friendly budget space-saving. It also features patented technology, no coil metallic elements, and no maintenance.
  • Users reviews: This product contain a 74% 5-star rating from its customers.
  • Overall rating: 4.4 out of 5.0.
  • Best use: This Sio tankless water is best to use for handwashing and the ideal water heater for the bathroom and kitchen.

Pros

  • Durable
  • Patented technology
  • No maintenance
  • No coil metallic elements
  • Friendly budget

Cons

  • Low flow rate

4- Eemax EEM24027 tankless water heater – best tankless water heater for hard water

Eemax EEM24027 – Electric Tankless Water Heater

 

Eemax EEM24027 is the ideal tankless water heater for hard water. It is highly recommended in the market. This water softener tankless water heater can supply enough water to small homes while wasting zero energy.

 

In addition, this best point to use tankless water heater has a self-modulating technology to adjust the energy usage to demand at any time.

  • Quality: This tankless water heater with well water s made up of high-quality materials. It has a compact size saves valuable storage space.
  • Performance: This tankless water heater water softener system comes with the high water flow rate that’s ideal for hard water. This tankless water heater is small in size, this allows you to install it. Whereas, you want, including in the closest bathroom and under the sink in the kitchen. Furthermore, it has an excellent efficiency rating and self-modulating technology that allow the user to adjust the energy usage to demand at any time.
  • Features: This hot water heater with built-in water softener features instant, consistent, and endless hot water. This tankless water also features a compact size saves valuable storage space.
  • Users reviews: This product contain a 65% – star rating from its customers.
  • Overall rating: 4.2 out of 5.0.
  • Best use: This tankless water heater is best to use for the closet bathroom and under the sink in the kitchen.

Pros

  • Best value for money
  • Decent efficiency rate
  • Compact design
  • Self-modulating technology
  • Valuable storage space
  • Endless hot water

Cons

  • Smalls homes only

5- EcoSmart ECO 11 – best water softener for tankless water heaters

Eco-Smart 8KW – instant hot water heater under sink

 

As we all know, EcoSmart is also a well-known water heater manufacturing company that delivers compact and portable tankless water heater at affordable prices for consumers. It is highly recommended in the market.

 

In addition, it is the ideal electric tankless water heater for hard water. This anti-scale system for tankless water heaters comes with an attractive design.

  • Quality: This tankless water heater in crawl space has a compact and sleek design that is specially designed for hard water.
  • Performance: This propane tankless water heater for the cottage will not help you to fight with the limescale deposits, but it will also help you to save water and electricity by a huge percentage. Moreover, the most amazing feature about this product is that it comes with a lifetime warranty that no one can provide you. It also has a self-modulating technology.
  • Features: This danger of tankless water heaters features a compact and sleek design and also comes with a lifetime warranty. It also features a save up to 60% and comes with an energy efficiency of 99.8%. It also has a uniform energy factor of 0.98%.
  • Users reviews: This product contain a 71% – star rating from its customers.
  • Overall rating: 4.4 out of 5.0.
  • Best use: This EcoSmart is best to use for laundry and best tankless water for handwashing and dishwashing.

Pros

  • Worth for money
  • Compact design
  • Save up to 60%
  • Lifetime warranty
  • Patented self-modulating technology

Cons

  • Warranty not honored

6- EcoSmart ECO 27 – best propane tankless water heater for cold climates

Ecosmart ECO 27 – best outdoor tankless water heater under 500

 

Here is another compact and lightweight tankless water heater from the EcoSmart company. This one also comes with the patented self-modulating technology. With the great technology and advanced process, it saves up to 50% energy cost.

 

Furthermore, this cabin tankless water heater has an adjustable water flow rate user-friendly temperature button. You can carry this model anywhere you want.

  • Quality: This tankless water heater in Florida comes with cooper and stainless components that are specially designed for energy efficiency, durability, and easy replacement.
  • Performance: This best hot water heaters for hard water comes with a saving of up to 50% on water heating costs. Moreover, this tankless water heater comes with digital temperature controls in 1-degrees increments that allow controls of hot water. Its compact size saves valuable storage space, while the stylish & advanced design is pleasing to the eye, so the cooper & stainless components are designed for efficiency and durability.
  • Features: This tankless water heater for apartment complex features digital temperature control and save cost up to 50%. It also features a compact size save valuable storage space. This product also features a lifetime warranty.
  • Users reviews: This product contain a 74% – star rating from its customers.
  • Overall rating: 4.4 out of 5.0.
  • Best use: This EcoSmart ECO27 is best to use for the bathroom and the ideal tankless water heater for hand washing.

Pros

  • Compact size saves valuable storage space
  • Save up to 50%
  • Digital temperature controls
  • Breaker quantity
  • Durable

Cons

  • No batteries required

7- Bosch Electric Mini-Tank Water – best hot water heaters for well water

Bosch Electric Mini-Tank Water – best hot water heaters for well water

 

If you are looking for the best hot water heaters for well water at an affordable price, then this Bosch electric mini-tank water is the ideal choice for you. It has a sleek design & convenient to be installed anywhere you want.

 

Moreover, this tankless water heater with solar hot water comes with a high water flow rate of up to 7 gallons-per-minute (GPM).

  • Quality: This hot water heater scale inhibitor system has a sleek and compact design and is made up of high-quality materials. It is very steady to be installed.
  • Performance: This tankless water heater for the washing machine is energy efficient and doesn’t add too much gas bill. However, if it is maintained regularly, then this tankless water heater is perfect for hard water. In addition, this inline water softener for the water heater can be mounted vertically and horizontally. So, the vertical orientation is installed with the cold & hotlines on the top of the unit.
  • Features: This hard water filter for tankless water heater features reliable water sources and easily mounted. It also features a high water flow rate of 7 gallons per-minutes.
  • Users reviews: This product contain a 76% – star rating from its customers.
  • Overall rating: 4.5 out of 5.0.
  • Best use: This Bosch tankless water heater is best to use for washing clothes and ideal for a sink.

Pros

  • Best value for money
  • Highly recommended
  • Reliable water sources
  • Easily mounted

Cons

  • Manufactures will not provide a service warranty

8- Ariston Andris tankless water heater best hot water heaters for hard water

 

Ariston Andris water heater is the ideal choice for those who are looking for a compact and portable tankless water heater at an affordable price. This converting to electric tankless water heater comes with a six-year limited warranty.

 

Moreover, it included a wall and floor mounted unit. It also has a 2000 watt heating elements draws 12 Ampere. So, the temperature range rises from 65-degrees Fahrenheit to 161-degrees Fahrenheit.

  • Quality: This hot water heater scale inhibitor system has a compact and portable design that impresses the people. It works very well and well made.
  • Performance: This tankless water heater in crawl space comes with a high water flow rate of 8 gallons-per-minute (GPM). The most amazing thing about this product is that the manufacturers provide a six-year limited warranty on the tank and a 2-year limited warranty on parts. This tankless water heater is equipped with the titan shield and exclusive technology that fully protects the inner surface of tanks.
  • Features: This best water softener for tankless water heaters features a titan shield and exclusive technology that fully protects the inner surface of tanks. It also features an 8-year warranty on tanks and a 2-year warranty on parts.
  • Users reviews: This product contain an 80% 5- star rating from customers.
  • Overall rating: 4.6 out of 5.0.
  • Best use: This tankless water heater is best to use for hard water and ideal for shower purposes.

Pros

  • Wall and floor mounted
  • 2000W heating elements
  • Relief valve
  • Titan shield
  • Exclusive technology

Cons

  • Bad installation

 

Conclusion:

 

We think that Ariston Andris is the ideal tankless water heater for hard water. It comes with a high water flow rate of 8 gallons per-minutes (GPM).  This model also has a 6-year warranty on the tank and a 2-year warranty on parts. It has exclusive technology that fully protects the tank from the inner surface against corrosion.

 

Second, we’ve EcoSmart ECO 11. This tankless water heater comes with the patented self-modulating technology and sleek design that impresses the people. The most fabulous thing about this product is that it comes with a lie time warranty. It also saves up to 50% on water heating costs.

 

Last but not least, we’ve Rinkmo electric tankless water heater. It comes with smart modulating technology and a formula to calculate the difference between the desired temperature and current temperature. This tankless water heater loaded with compact size storage space and equipped with the 10 fold security technology system.

 

Frequently Asked Question About The Best Tankless Water Heater For Hard Water

 

 

Which water heater is best for hard water?

 

  • Bosch
  • Ariston Andris 8 gallon
  • EcoSmart ECO11
  • EcoSmart ECO 27
  • Rinko electric tankless water heater

 

How long do water heaters last with the hard water?

 

Water quality & location can affect the water heater life. So, the hard water wreaks the havocs on a water heater & can reduce its service life by two or more years.

 

Do water softeners destroy water heaters?

 

It is true. The water softener will prevent a lot of calcium buildup inside the water heater. It’ll corrode the inside of your water heater tank at a much faster rate.

 

How do you know that your water heater is going to bad?

 

A water heater should be replaced beforehand, if it shows the following symptoms like rusting, either on the tank or in the water. Noises and leaks.

 

Leave a Comment