Top 5 Rinnai Tankless Water Heaters 2021 Reviews

A tankless water heating system operates using electric or gas power. It heats water only when it is needed. These are compact units and they supply an endless supply of hot, clean water to multiple outlets simultaneously without making any temperature fluctuations. The can produce more hot water by using less energy. Tankless water heaters have been used for many decades, but their popularity increases only for the past few decades.

A tankless water heater can reduce your water heating bill considerably, which is one of the major benefits of this equipment. It can also provide you an endless supply of hot water. These water heaters are available in various different varieties from small electric models to larger gas powered appliances. Here are the most popular and best seller models. You can pick one from this list if you want to get the most from your investment.

Top Best Sellers in Rinnai Tankless Water Heaters

Table of Contents

5. Rinnai V65IP

Rinnai V65IP

Rinnai V65IP is a tankless propane water heater that contains no fabrics. This interior mount water heater can efficiently deliver up to 6.6GPM of hot water. Thus, it is perfect for a home with one to two and a half bathrooms. You can also install it very easily. This ultra-compact unit comes with all the benefits of Rinnai tankless water heating. Rinnai V65IP can provide you reliable, clean hot water at a consistent pre-set temperature. At the same time, you can also save lots of energy and your precious floor space in your home.


  • Easy-to-install
  • Ultra compact
  • Lightweight
  • Extremely reliable
  • Saves lots of energy
  • Delivers 6.6GPM hot water
  • Low NOx


  • Expensive

4. Rinnai V65EN

Rinnai V65EN

Rinnai V65EN is truly a durable and reliable tankless water heater. It delivers a maximum 6.6GPM of hot water. Therefore, this water heater is enough for homes with one or two bathrooms. It is powered by natural gas with maximum BTU’s 150,000. It comes with a locking option, which is helpful for keeping the temperature at a constant level. Rinnai V65EN is an outdoor installation unit and it is designed for residential use.

Other Topics:


  • Compact and lightweight
  • Powered by natural gas
  • Outdoor installation
  • Low NOx
  • Highly efficient


  • Exterior-mount water heater

3. Rinnai RUR98iN

Rinnai RUR98iN

Rinnai RUR98iN is an ultra Series condensing tankless water heater. It is constructed on the basis of an innovative technology, thus this water heater provides you an endless supply of hot water. It offers both PVC and concentric, so it can provide more venting options. The condensing technology of Rinnai features dual heat exchangers, which can provide you maximum efficiency. Rinnai RUR98iN has recirculation capability. A thermal bypass technology reduces the wait time for hot water considerably.


  • Offers endless supply of water
  • Space-saving design
  • Less wait time for hot water
  • Has recirculation capability
  • Powered by natural gas
  • Indoor application


  • Expensive

2. Rinnai V65EP

Rinnai V65EP

Rinnai V65EP is a basic on-demand tankless water heater for home users. You can adjust the incoming gas automatically to meet the water heating demands. It uses only smaller gas if the demand is less. A digital control enables you to select the desired temperature by turning on the heater. It has a temperature lock, which is helpful for preventing unauthorized changes in water temperature. So, you need not worry about your children use extremely hot water accidentally. You can detect hard water very easily, which is helpful for reducing calcification inside the machine. In such a way, you can reduce the chance of damage and prevent mineral corrosion.


  • Powered by natural gas
  • Environment-friendly
  • Comes with troubleshooting features
  • Innovative design
  • Efficient and reliable


  • Price is an intimidating factor

1. Rinnai RL94eN

Rinnai RL94eN

Rinnai RL94eN is a high-end, effective, and sleek tankless water heater that is available in attractive silver color. The simple exterior installation system and compact design are useful features. The capacity of this water heater is 9.4GPM. Thus, this is the best solution for larger families. Rinnai RL94eN is designed for providing non-fluctuating, uninterrupted hot water through around 5 plumbing outlets simultaneously. The Enhanced scale detection is helpful for reducing the possibility of long-term, serious damage to the unit. The Temperature lock function prevents unauthorized or accidental changes to water temperature.


  • Energy Star qualified
  • Offers maximum efficiency and comfort
  • Temperature lock function
  • Chrome finish
  • 9.4 GPM capacity
  • Helps to reduce energy cost
  • Exterior installation


  • Designed for larger families


Rinnai tankless water heaters are very popular because of their high efficiency, water flow, venting, and environment-friendly design. They are extremely reliable for providing endless hot water supply. The above-mentioned products are taken by evaluating hundreds of products carefully. These five are the top best Rinnai tankless water heaters on the market. A majority of problems arise because of improper installation. If you are planning on purchasing a tankless water heater, this Top 5 Rinnai Tankless Water Heaters 2018 Reviews will help you in a greater extend.

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