Rinnai Tankless Water Heater Reviews (2019)

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Rinnai is a Japan-based company renowned in the manufacturing of quality tankless water heaters. Its products are known to meet the highest safety standards ranking it as a global leader in the production of tankless water heaters.

This Rinnai tankless water reviews will go through the top 10 models in the market based on customer feedback but firstly here are some major reasons why people are selecting Rinnai tankless water heaters,

Why People Are Selecting Rinnai For Tankless Water Heaters

  • Brand Reputation

Being a well established brand people have reassurance that they will get the customer support for the product they purchase.

  • Warranty

All Rinnai tankless water heaters have a respectable amount of warranty as backup if anything does go wrong.

  • Value for money

They are able to provide a high quality product at a competitive and reasonable price in the market.

  • Energy efficiency

Rinnai tankless water heaters use minimal energy while ensuring the highest output of hot water.

  • Digital display

Rinnai tankless water heaters have adopted digital display of its temperature readings, making it easy and convenient to track water temperatures.

Rinnai tankless water heaters reviews

Finding the best Rinnai tankless water heater can be a challenge especially if you don’t have an idea on how to go about it. However, you don’t have to worry about that.

We have you covered.

To help you, we take a look at our top models so that you can make an informed decision when selecting a Rinnai tankless water heater.

This involves a look into the technical aspect of each brand and its advantages and disadvantages.

What we assure you is that by the end of this Rinnai water heater review, you will be in an informed position to select the best Rinnai tankless water heater for your application and household if its of your interest.

Let’s start.

Here is a table comparison of the top ten Rinnai tankless water heater models available.

Comparison Table Of Top 10 Tankless Water Heaters Rinnai 

Name Rating Prices Fuel Type Application type Location
Rinnai RUC98iN 4.5 out of 5 stars (4.5 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Natural Gas Whole House Indoors
Rinnai RL75eN 3.9 out of 5 stars (3.9 / 5)

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CHECK PRICE ON AMAZON Natural Gas MultiPoint Outdoors only
Rinnai V65EN  4.3 out of 5 stars (4.3 / 5)

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CHECK PRICE ON AMAZON Natural Gas Single Point Outdoors
Rinnai V75IN  4.3 out of 5 stars (4.3 / 5)

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CHECK PRICE ON AMAZON Natural gas Whole house Indoors
Rinnai V65IN  4.7 out of 5 stars (4.7 / 5)

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CHECK PRICE ON AMAZON Natural Gas Single Point Indoors
Rinnai RL94eP  4.1 out of 5 stars (4.1 / 5)

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CHECK PRICE ON AMAZON Liquid Propane Whole House Outdoors
Rinnai RUR98iN  3.8 out of 5 stars (3.8 / 5)

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CHECK PRICE ON AMAZON Natural Gas Whole house Indoors
Rinnai RU80EN  5 out of 5 stars (5 / 5)

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CHECK PRICE ON AMAZON Natural Gas Whole house Outdoors
 

Rinnai V65IP

 4.2 out of 5 stars (4.2 / 5)

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CHECK PRICE ON AMAZON Propane Single Point Indoors
Rinnai V75IP  4.1 out of 5 stars (4.1 / 5)

Read Reviews

 

CHECK PRICE ON AMAZON Propane Multi Point Indoors

Rinnai Water Heater Reviews

1

Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater

  • Fuel Type: Natural Gas
  • Application Type: whole house
  • Location: Indoor
  • Btu: 199000
  • Gpm:9.8
  • Energy Efficiency:95%
  • Size: 10 x 18.5 x 26 inches
  • Weight: 82 pounds
  • Display: Digital
  • Warranty: 12 years

Rinnai RUC8iN has a temperature range of between 98 to 150 °F. This brand uses natural gas as its source of energy.

It consists of the following features:

Venting option. This brand consists of two ventilation options allowing you to install it indoors.  One of the venting options is a twin pipe while the other one is a concentric PVC.

You are therefore at liberty to select whichever option is best for you depending on your installation location.

Hot water. With this brand, you have an assurance of a constant flow rate of 9.8 gallons per minute. This is a high flow rate that allows for convenient of up to 5 points of uses.

Energy efficiency. The energy efficiency rate of this brand is 95% meaning that there will be little energy lost while using it. The other advantage is that it consumes between 15200 to 199000 BTU of power while utilising 2 watts while it starts and runs.

This lowers your electricity bills in the long run.

Commercially available. The brand can reach temperatures of as high as 185 °F while discharging 9.8 gallons of water per minutes. Therefore allowing it to be compatible with the requirements of a commercial tankless water heater.

Noise. You don’t have to worry about the noise that this brand produces during operation as it is too minimal to disrupt your services.

PROS:
  • Supports multiple usage points
  • The venting methods are optional
  • Allows for commercial and residential use
  • Constant provision for hot water

CONS:
  • It is somehow costly
  • You will have to hire an expert to install it for you since it is technical.

User Rating:

4.5 out of 5 stars (4.5 / 5)

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2. Rinnai RL75eN Tankless Water Heater

  • Fuel Type: Natural Gas
  • Application Type: Multipoint
  • Location: Outdoor
  • Btu:
  • Gpm:7.5
  • Energy Efficiency: 82%
  • Size: 14 x 10 x 23 inches
  • Weight: 43.6 pounds
  • Display: Digital
  • Warranty: 12 years

Rinnai RL75eN is characterized by low power usage with a maximum flow rate of 7.4 gallons of hot water per minute. It is energy efficient having an efficiency of 82%.

With such a flow rate, this model allows you the convenience of commercial viability since it has a temperature range of between 98 to 160 °F.

However, you may have to purchase several of these models for it to be commercially viable.

Using this brand, you will experience the following:

Remote control. The tankless water heater comes with a remote control that allows you to adjust the temperature of the water easily remotely.

Installation. This model offers an easy way of installation in your application. You have the option of using 0.5inches or 0.75-inch gas line for installation.

Wifi ability. Perhaps in a show of advancement in technology, this model allows you to control remotely using wifi. The linking is quite simple since the model is wifi enabled.

Constant water supply. A flow rate of 7.6 gallons of hot water per minute allows you to enjoy continuous water supply even. This is possible also if you are having two points of usage.

Freeze protection system. The technological advancement of this system allows it to sense the surrounding environment. The model smartly detects this and develops ways of protecting itself if the temperature of the surrounding environment is lower.

PROS:
  • Supports multiple points of usage
  • It has a freeze protection system
  • A constant supply of hot water
  • Easy to install

CONS:
  • It has a high operation noise

User Rating:

3.9 out of 5 stars (3.9 / 5)

3

Rinnai V65EN 6.6 GPM Outdoor Low NOx Tankless Natural Gas Water Heater

  • Fuel Type: Natural Gas
  • Application Type: single point
  • Location: Outdoor
  • Btu: 150, 000
  • Gpm: 6.6
  • Energy Efficiency: 82%
  • Size: 13.8 x 6.8 x 20.9 inches
  • Weight: 47.4 pounds
  • Display: Digital
  • Warranty: 10 years
PROS:
  • v

CONS:
  • v

User Rating: 

4.2 out of 5 stars (4.2 / 5)

4

Rinnai V75IN 7.5 GPM Indoor Low NOx Tankless Natural Gas Water Heater

  • Fuel Type: Natural Gas
  • Application Type: whole house
  • Location: Indoor
  • Btu: 180, 000
  • Gpm: 7.5
  • Energy Efficiency: 82%
  • Size: 14 x 9 x 23 inches
  • Weight: 49.6 pounds
  • Display: Digital
  • Warranty: 12 years

This model has a temperature lock mechanism which prevents the temperature from changing accidentally.  It comes with an energy efficiency capacity of 82%.

PROS:
  • The high-water flow rates
  • Easy installation in manufactured homes
  • A perfect choice if the size of your home is small or medium.

CONS:
  • Not efficient for use in commercial properties

User Rating: 

4.3 out of 5 stars (4.3 / 5)

5

Rinnai V65IN 6.6 GPM Indoor Low NOx Tankless Natural Gas Water Heater

  • Fuel Type: Natural Gas
  • Application Type: single point use
  • Location: Indoors
  • Btu: 150,000
  • Gpm: 6.6
  • Energy Efficiency: 82%
  • Size: 9 x 8.8 x 23.6 inches
  • Weight: 49.6 pounds
  • Display: Digital
  • Warranty: 10 years

Rinnai V65IN 6.6 GPM has a maximum BTU of 150,0000 while its energy efficiency is 82%. This implies that there is less energy lost to the environment.

The location for installing this brand is indoors. Therefore, you need to buy venting kits while purchasing this model.

While using this model, expect the following

Low NOx design. Its low NOX design enables it to produce less greenhouse gas thereby meeting global emission standards. When selecting the venting kit, it is best if you choose an aluminium venting pipe consisting of an outer PVC.

Easy installation. This brand is easy to install that you don’t need an expert. You can easily do it by yourself by following the instruction on the guide.

The fact that the heating element has a 10-year warranty is sufficient to guarantee you of the durability of the brand.

Weight. If you compare to the other models, this brand is quite light and compact. This gives you the freedom to install it anywhere that is convenient for you.

On top of that, it allows for multiple points of usage. With this brand, you can have up to 2 points of usage at the same time.

PROS:
  • Silent working environment
  • Easy to install
  • Lightweight and compact
  • Allows for indoor installation

CONS:
  • It has a low energy rating
  • The requirements of a special venting may be expensive

User Rating: 

4.7 out of 5 stars (4.7 / 5)

6

Rinnai RL94eP Outdoor Propane Tankless Water Heater

  • Fuel Type: Propane
  • Application Type: whole house
  • Location: Outdoor
  • Btu: 199,000
  • Gpm: 9.4
  • Energy Efficiency: 83%
  • Size: 14 x 10 x 23 inches
  • Weight: 44.3 pounds
  • Display: Digital
  • Warranty: 12 years

This unit runs on propane gas that you install indoors for it to function correctly. As such, you need to utilize venting kits.

Temperature. This model has a high-temperature range of between 98 to 185 °F. This implies that it can be used both for commercial and residential purposes.

However, if you are to use it commercially, you need to purchase a commercial remote.

Multipoint use. The flow rate of this model is 9 gallons per minute which allows you to use it in multiple applications. The other advantage that makes it ideal for various usages is its efficiency in both heating and the flow of the water.

On average, it takes a minute for the flow of hot water to reach its usage point.

Digital control. The control of this model is quite easy due to its digital control monitor. It also ensures your safety when it comes to heat.

Quality standard. This brand meets the highest quality standards both of safety and electrical usage. With its simple design of isolated valves, and pressure relief valve, you don’t have to worry about its standards.

PROS:
  • Cost efficient
  • Flexible for both residential and commercial use.
  • Avails hot water only when you need it.
  • Easy to operate.
  • Has a high flow rate.

CONS:
  • Complex installation procedure
  • Waiting for a long time for the flow of hot water

User Rating: 

4.1 out of 5 stars (4.1 / 5)

7

Rinnai RUR98iN Ultra Series Condensing Indoor Natural Gas Tankless Water Heater

  • Fuel Type: Natural Gas
  • Application Type: whole house
  • Location: Indoors
  • Btu:
  • Gpm:9.8
  • Energy Efficiency: 96%
  • Size: 12.5 x 10 x 26 inches
  • Weight: 81.6 pounds
  • Display: Digital
  • Warranty: 12 years

Like other brands of Rinnai, this one does not disappoint in terms of the technology it has. To begin with, it has an in-built temperature lock unit that regulates the accidental change of temperature.

It also has a scale detection system that reduces the possibility of long-term damages to the heater. This ensures maximum efficiency.

You don’t have to worry about the energy efficiency of this heater since it can reach as high as 96% while offering a maximum flow rate of 9.8GPM.

PROS:
  • With a flow rate of 9.8GPM, you will always have hot water for your use.
  • Easy to install by simply following the manual guidelines
  • Less gas consumption while ensuring maximum output

CONS:
  • It is relatively expensive when you compare to other brands.
  • It needs regular maintenance which can be costly.

User Rating: 

3.8 out of 5 stars (3.8 / 5)

8

Rinnai RU80EN 8.0 GPM Outdoor Ultra-NOx Condensing Tankless Natural Gas Water Heater

  • Fuel Type: Natural Gas
  • Application Type:
  • Location: Outdoor
  • Btu: 157, 000
  • Gpm:8
  • Energy Efficiency: 97%
  • Size: 18.5 x 10.7 x 26.4 inches
  • Weight: 70.5 pounds
  • Display: Digital
  • Warranty: 12 years

This unit is available in four models which gives you the liberty of choice for either your large or mid-sized house. A high flow rate of 8GPM ensures you never lack your hot water when you need it.

Like all Rinnai models, this one does not disappoint when it comes to great features. They include a temperature lock function, a scale detection unit and an ultra-NOx design which ensures maximum its maximum efficiency.

PROS:
  • Highly efficient when it comes to the flow of hot water as well as energy saving.
  • The availability of propane or gas model makes this model a preferred option.

CONS:
  • Regular maintenance which may be expensive.

User Rating: 

5 out of 5 stars (5 / 5)

9

Rinnai V65IP 6.6 GPM Indoor Low NOx Tankless Propane Water Heater

  • Fuel Type: propane
  • Application Type:
  • Location: Indoors whole house
  • Btu: 150, 000
  • Gpm:6.6
  • Energy Efficiency: 82%
  • Size: 13.9 x 8.8 x 23.6 inches
  • Weight: 49.6
  • Display: Digital
  • Warranty: 12 years

This propane tankless water heater has an array of features. Among the cool features that come with this brand include a temperature lock system which prevents unauthorized changes to the temperature of your water.

Also, with its energy efficiency of 82%, you have an assurance of minimal energy loss which in turn reduces your propane energy bills. A scale detection unit ensures the reduction of severe damages to the heater.

PROS:
  • Offers a quiet operating environment.
  • No need for extra ventilation since you have a variety of ventilation options.

CONS:
  • You have to buy an isolation valve separately which increases the cost of this model

User Rating: 

4.2 out of 5 stars (4.2 / 5)

10

Rinnai V75IP 7.5 GPM Indoor Low NOx Tankless Propane Water Heater

  • Fuel Type: Propane
  • Application Type: Multipoint use
  • Location: Indoors
  • Btu: 180, 000
  • Gpm: 7.5
  • Energy Efficiency: 82%
  • Size: 14 x 9 x 23 inches
  • Weight: 49.6 pounds
  • Display: Digital
  • Warranty: 12 years

This is a powerful tankless heater that is capable of having a maximum flow rate of 7.5GPM while utilizing 180, 000BTU. Such a flow rate is convenient with a small to medium house capable of supporting at most two bathtubs at the same time.

It features a low NOx design which reduces the amount of emissions to the environment while still offering the efficiency you deserve.

PROS:
  • It is a powerful machine that is capable of serving you efficiently
  • Can handle at most two bathtubs at a go without compromising on the temperature
  • Easy installation procedure

CONS:
  • Produces noise while operating which can be irritating

User Rating: 

4.1 out of 5 stars (4.1 / 5)

Conclusion

In summary, a Rinnai tankless water heaters has several advantages over other brands. However understanding the requirements of your application is key in selecting the most suitable tankless water heater for your household.

Also, you need to pay attention to the type of tankless water heater that you want. There are different types of tankless water heaters which vary depending on the source of heat.

The secret to getting a reliable tankless water heater is purchasing it from a reputable manufacturer. That is a manufacturer who will offer quality and reliable tankless water heater.

This Rinnai tankless water heater reviews the top models based on user rating. You can count on the selection above when choosing a Rinnai water heater for your household!