Top 10 Tankless Water Heaters of 2023

Many modern people have “tankless” water heaters in their homes. They are very compact because they have no tank. They heat water instantly and are able to supply it continuously if you find the right unit. By finding a Noritz contractor, you can handle the installation issues. To be sure you have found the right unit, we would like to provide you with a list of the top tankless water heaters.

Rinnai RUR98iN

The first recommendation is probably the best on our list of the top rated tankless water heaters. It offers a high flow rate, helps to save up a lot of money on electricity billing, and is reliable. Make allowances for its main benefits and features:

  • 96% saving energy bills;
  • The temperature rise of 60 degrees F;
  • A flow rate of 9.8GPM;
  • Condensing unit with dual heat exchanger.

The only disadvantage is its cost which reaches $1,950.

Rinnai RUC98iN

The second option belongs to the top gas tankless water heaters as well. You can buy outdoor and indoor versions. Here are its main advantages for users:

  • The temperature rise is 60 degrees F.
  • A high flow rate of 9.8 GPM;
  • Suits even large houses;
  • It is slim and space-saving;
  • Efficiency ranges from 92% to 96% energy saving;
  • Suitable for all kinds of climates.

The main disadvantage is the high price which equals $1500.

Rheem RTG-84XLN

The next option belongs to the top electric tankless water heaters. It is manufactured by a very famous manufacturer Rheem which is known for the high quality of its products. The main pros of this unit are as follows:

  • A high flow rate of 8.4 GPM;
  • Has low emissions;
  • Suitable for average-size houses;
  • It is much cheaper compared to various gas models;
  • Offers a remote control.

The cons are:

  • Suits only warm climates;
  • Has a middle efficiency.

Stiebel Eltron Tempra 36 Plus

This one belongs to the top rated electric tankless water heaters. It is the bestselling unit of its kind on Amazon. Let’s check why so many people choose it:

  • A high water flow rate;
  • A noiseless mode;
  • Digital screen;
  • Temperature knob;
  • Memory settings;
  • Electronic switch;
  • No venting is needed;
  • A 7-year leakage warranty;
  • A 3-year parts warranty.

The main con is its high cost.

Ecosmart ECO 27

Another variant among the top tankless electric water heaters is Ecosmart ECO 27. This unit is energy-efficient, and it works perfectly in the hottest climates. Its main cons are:

  • Sufficient savings on energy bills;
  • Digital display;
  • Slim and compact size;
  • Temperature variables from 80 to 140 degrees F;
  • 6 gallons per minute;
  • Endless supply of water on demand;
  • Saves a lot of space.

The main drawback of this unit is a lower efficiency when it is used in colder climates.

Eemax EEM24018

This is another great option among the top rated tankless hot water heaters. It’s a battery-powered device, which heats water instantly. Its main benefits are:

  • Instant heating of water;
  • Automatic change of the power;
  • Saves a lot of space;
  • Self-modulating technology;
  • Digital screen;
  • Temperature knob.

The main con is low water flow, which reaches only ‎3.5 GPM.

Rheem RTGH-95XLN

Our list of the top rated tankless gas hot water heaters cannot do without this excellent unit. Its benefits are outstanding. They are as follows:

  • Suitable for warm and rainy climates;
  • A high flow rate of 9.5 GPM;
  • A high-efficiency rating of 94%;
  • No need for ventilation;
  • Suitable for average-size and large homes.

The main cons are its price, which is $1,260, and a low-temperature rise.

Rinnai RL94eN

This unit can be controlled with your voice or a smartphone. It helps to save bills for energy. Its major advantages are:

  • Usable via a smartphone or your voice;
  • A high flow rate of 9.5 GPM;
  • Instant heating;
  • Recirculation of water with a special pump;
  • Supports 5 appliances simultaneously;
  • Has pressure relief and isolation valves;
  • A diminutive size;

It has only one uncommon drawback, which was spotted by many consumers. They claim that its warranty is uncomprehensive, and so some issues may occur. You need to carefully study the warranty. It can be installed only outdoors and so it may be inconvenient for some people.

Takagi T-KJr2 IN-NG

This Japanese unit is likewise worth your attention. It suits small households and its cost is quite cheap. Its main benefits are:

  • A quite cheap price ($5390);
  • Easy to maintain.

The disadvantages are as follows:

  • A low flow rate of 6.6 GPM;
  • Suits hot climates only;
  • Is mid-efficient.

Stiebel Eltron Tempra Plus 24

You can also opt for this electric unit. Its major dividends are:

  • High efficiency;
  • The flow rate is 4 GPM;
  • Digital controls;
  • Smooth and interesting design;
  • Saves a lot of space.

It has two main drawbacks. It fits only small homes, and it’s too pricey for an electric unit.

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