Best Rinnai Tankless Water Heaters 2022 Reviews

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 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.

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. Simultaneously, 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

4. Rinnai V65EN

Rinnai V65EN

Rinnai V65EN is truly a durable and reliable tankless water heater. It delivers a maximum of 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 a maximum BTU’s 150,000. It comes with a locking option, which helps keep the temperature at a constant level. Rinnai V65EN is an outdoor installation unit, and it is designed for residential use.

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

3. Rinnai RUR98iN

Rinnai RUR98iN

Rinnai RUR98iN is an ultra Series condensing tankless water heater. It is constructed based on innovative technology; thus, this water heater provides you an endless supply of hot water. It offers both PVC and concentric so that 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

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 helps prevent unauthorized changes in water temperature. So, you need not worry about your children use boiling water accidentally. You can detect hard water very easily, which helps reduce calcification inside the machine. In such away, 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

1. Rinnai RL94eN

Rinnai RL94eN

Rinnai RL94eN is a high-end, effective, and sleek tankless water heater 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. Enhanced scale detection helps reduce 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