Rinnai Tankless Water Heater Reviews

Rinnai is a Japanese brand of producing high quality tankless water heaters, with the belief of using heater to bring convenience and satisfaction to human life, Rinnai tankless water heaters quickly occupies world market and becomes one of the leading brand in the whole world.

About Rinnai

Founded in 1920, Rinnai first produced and sold pressurized oil cooking stove, and then in 1930s, it expanded its market into gas appliance including cooking stoves, ranges and space heaters etc. Until 1964, it finally had the first efficient water heaters.

The headquarter of Rinnai is in Japan, as the hot demand of water heaters especially in North America, Rinnai’s North America operations quickly expanded and successfully started state-of-the-art distributions, research and training facility in Georgia and soon added training facilities in California. Till now, more than 30 millions Rinnai tankless water heaters are installed around the world.

Quality and safety are the major concern for Rinnai, it employs 600 research and development engineers to ensure each of the produced tankless water heaters are in excellent working performance. And Rinnai America becomes the few providers who has its own state-of-the-art Canadian Standard Association(CSA) Certificated Testing Laboratory. All the products passed the strict standard of American National Standard Institution.

Rinnai Tankless Water Heaters Reviews

Rinnai tankless hot water heaters are one of the popular products among whole tankless water heater market in 2019. Many excellent hot water heaters are always on the top selling list such as Rinnai RUC98iN tankless water heaters, here we would like to offer you detailed the most recommended Rinnai tankless hot water reviews:

1. Rinnai RUC98iN Ultra Series Tankless Water Heater

The temperature range of it is 98 degree F to 140 degree F, adopt natural gas as its main power source.

review of rinnai tankless water heater
rinnai water heater reviews

 

 

Features:

  • 2 venting options

As this is natural gas tankless hot water heater and installed mainly for indoor, there must be venting kits installed along. It offers two venting options for you, one is concentric PVC while the other is twin pipe. You can choose whichever is convenient for you to install easily.

  • Constantly hot water

The flow rate of the unit reaches up to 9.8 gallons per minute, which is a high flow range. It meets the demand of 3 bathrooms in the south areas and 2 bathrooms in the north areas. According to customers’ feedback, there is hardly fluctuation in using process.

  • Energy efficient

The efficient rating reaches 0.95, it means that seldom gas is wasted in using process, thus is a highly energy efficient tankless water heater. The power requirements range from 15200 to 199000 BTU. And it needs only 2 watt to keep the unit up and running, saving much money on your bills.

  • Commercial use available

The highest temperature rate can be up to 185 degrees F, with its 9.8 gallons per minute water flow, it certainly meets the demand of commercial use easily. But to realize the function, one needs to get extra commercial remote.

  • Quiet working condition

The working noise is extremely small that you can hardly hear it in showering or doing laundry. It takes about 20 seconds for water to heat up, which enables to save more water bills each month. Once water is heated up, you will have unlimited hot water to use.

Pros:

  1. Optional venting methods
  2. Energy efficient and money saver
  3. Flawlessly hot water provided
  4. Residential and commercial use
  5. 5 year warranty for the part
  6. Supports multiple faucets and shower simultaneously

Cons:

  1. You may need to get professional to help installation for it is quite hard.
  2. A bit expensive


2. Rinnai RL94eP Propane Tankless Water Heater

This unit is a propane tankless water heater, it needs to be installed indoor and venting kits are required.

rinnai electric tankless water heater
rinnai propane tankless water heater

 

 

Features:

  • High temperature

The temperature range of the unit is between 98 to 185 degrees F, the same as above RUC98iN series, it can also be used for commercial and residential easily. But you also need to get a commercial remote if used commercially.

  • Multiple bathroom support

This unit goes with 9 gallons of water per minute, it is able to support house for both big and small. It is also high energy efficient not only for its high efficient rating, but also for it technology to heat up water only when you use it. So it can save large amount of money in utilize using. But one thing needs reminding is the common complaint of its long waiting time for hot water. It takes about 1 minute for hot water to flow to destined spots.

  • Digital control

The control panel is set on the heater, it is super easy to use and the error code readout will help you to use it safely and quickly. You can easily turn the temperature that you want.

  • High quality standard

Most people praise the construction and inclusion of isolated valves, the pressure relief valve in the kit is also designed clear and simple to operate. But you still need to get a professional to help installing for you, which is costly but is more safe and convenience.

Pros:

  1. High flow rate
  2. Money saver
  3. Easy operated control panel
  4. Turns on only when you need hot water
  5. Suitable for both large and small house
  6. Commercial & residential use

Cons:

  1. Difficult for installation
  2. Long waiting time for hot water


3. Rinnai V65IN 6.6 GPM Indoor Tankless Natural Gas Water Heater

The maximum BTU is 150000 and maximum energy rating is 0.82, it is installed indoor so you need to get venting kits installed along.

rinnai tankless water heater reviews propane
rinnai propane tankless water heater reviews

 

 

Feature:

  • Low NOx design

This unit is designed as low NOx type, reducing less emissions of greenhouse gas. And it meets California and Texas NOx Emissions Standards. One important tip is that it requires special venting, requiring aluminum interior vent pipe with PVC outer pipe.

  • Quiet working condition

Same as other types of Rinnai tankless water heaters, this also works quietly and smoothly. It takes about 40 seconds for hot water flow, quite fast hot water flow and saves much water bills each month.

  • Easy installation

It is easy to install by oneself and takes about 6 hours if you have basic knowledge on plumbing. You can also find professional but it costs high. There are 10 years warranty for heating exchanger.

  • Light and compact

The unit is quite light and compact compared with other types of Rinnai tankless hot water heaters. And there is one button set for turning on and off for vacation and for the situation that you keep it unused for long period of time. It is able to handle 2 showers the same time.

Pros:

  1. Quiet working condition
  2. Low Nox design
  3. Easy installation
  4. Indoor installation
  5. Compact and light weight
  6. Travel use available

Cons:

  1. The energy rating is quite low
  2. It requires special venting


4. Rinnai RL75iN Natural Gas Tankless Water Heater

The energy consumption is 10300 to 180000 BTU and temperature of residential is between 98 degrees F and 140 degrees F.

rinnai natural gas tankless water heater
rinnai tankless gas water heater

 

 

Features:

  • Commercial & residential use available

The maximum water flow is 9.4 gallons per minute, and residential temperature is among 98 degree F and 140 degree F, while the commercial temperature runs up to 160 degree F, but the commercial controller need to purchase separately.

  • Endless hot water

It is able to provide endless hot water for you, supporting two rooms simultaneously. But the thermal efficiency is far too low, only 82%, which means much energy is wasted. But this still saves more fuel compared with tank water heaters. It turns on only when you intend to use hot water.

  • Outdoor air for combustion

Inside the machine is equipped with a combustion fan, so it uses outdoor air for combustion, which is very safe. Electronic solenoid valve is set for controlling water and gas flow. But the venting installation is quite difficult.

  • Easy control PC board

It comes standard with MC-91-1 US Digital Controller with error code indicator, and you can see temperature showing on the control panel, it is also easy to adjust the temperature.

Pros:

  1. Reasonable price
  2. Quiet working condition
  3. Easy digital control
  4. High tech combustion design
  5. No fabrics
  6. Commercial use available with commercial remote

Cons:

  1. It fluctuates a bit.
  2. The venting kits can be hard to install


5. Rinnai V65EP 6.6 GPM Outdoor Tankless Propane Water Heater

This machine is propane tankless water heater and is installed outdoor, so no venting kits are required in installation.

rinnai natural gas tankless water heater reviews
rinnai gas tankless water heater reviews

 

 

Features:

  • Natural gas and propane available both

Though it is a tankless propane tankless water, it is still able to use natural gas as main power. The energy factor of it is 0.82, which is quite low. The maximum BTU is 150000. The best feature is that it is 1/2 gas line compatible.

  • Low NOx design

This unit complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission level, thus less greenhouse gas is let out.

  • Temperature lock& remote control

You may encounter the situation on unintentionally touch the water temperature. In order to avoid this, a temperature lock is installed for preventing unauthorized changes. Another worth mention on the unit is remote control performance, it allows you to control temperature of water any room you are in.

  • Safe installation

It is certified for installation in manufactured or mobile homes. You can also install it by yourself easily. Besides, there are enhanced scale detection inside the machine, in order to lessen possibility of serious and long-term damage to the unit.

  • Multiple spots hot water supply

It supports two bathrooms use simultaneously and there are endless water hot once you turn the tap on. But it may need another few seconds for water to heat up again if you turn the tap off. No fluctuation occurs when you use hot water for two or three places at the same time.

  • Low working noise

The working noise of the unit is too low that you can hardly hear. It takes about 15 seconds for water to warm up, so less water is wasted in the process.

Pros:

  1. No fabric
  2. Enhanced scale detection
  3. Smart temperature lock
  4. Low NOx design
  5. Small shape
  6. Fast heating time

Cons:

Water gets cold again once you turn the water off


6. Rinnai RL94iP Propane Tankless Water Heater

This is a propane tankless water heater, flow rate is quite high, enable to meet the demand of multiple room use. The flow rate is 9.4 gallons per minute.

rinnai tankless water heater ruc98i review
rinnai tankless hot water heater reviews

 

 

Features:

  • Endless hot water

This tankless water heater is able to meet the demand of 2 bathrooms and 3 faucets use the same time. Once turning on, flawlessly hot water will be offered and you can enjoy a most satisfying shower. But there are still cold water sandwich. It takes about 40 seconds to warm the cold water up.

  • Direct power vent

This unit adopts direct power vent, and closed system of it prevents cold air in after it turns off. There is a coaxial pipe, so no using air gets inside to burn and it keeps exhaust gas cool.

  • Energy efficient

This unit is powered by propane gas, saves much money compared with electric type. And many said there is a slightly drop on their bills. It is designed as modulated burning type, less fuel is used in the process.

Pros:

  1. No smell from direct vent
  2. Powerful for constantly hot water offer
  3. Less fuel consumption
  4. High efficient
  5. No standing heat loss
  6. Easy operated digital control

Cons:

  1. Cold water sandwich
  2. Need maintenance yearly


7. Rinnai RL75eN Natural Gas Tankless Water Heater

This unit is a low power tankless water heaters, the maximum flow rate up to 7.4 gallons per minute only. And the thermal efficiency is only 0.82.

rinnai tankless water heater price
buy rinnai tankless water heater

 

 

Features:

  • Remote control

There is a control unit along with tankless water heater if you buy it, and you can just hook it up if you adjust the temperature far away. It can also be used for commercial, the temperature range of commercial use is among 98 degrees F to 160 degrees F, but the commercial controller must be purchased separately. As the flow rate is quite low, so you may need to get several units together commercially.

  • Easy to install

It is said that 1/2 inch gas line can be directly used for installation, but still many customers claim that 3/4 inch gas line are still be used. The digital controller is equipped with error code indicator, so as to prevent units from long-term unknown broken.

  • Wi-Fi capable

This unit can be controlled by Wi-Fi system, anywhere you link the Wi-Fi, you can control the temperature easily.

  • Endless hot water supply

Flow rate of the unit is 7.4 gallons per minute, able to support two bathrooms and two sinks simultaneously. The temperature of water stays the same and constant even when using hot water for two different places. But it takes a little longer for hot water to flow out of pipe.

  • Freeze protection system

The unit is equipped with freeze protection system, once outside temperature gets too low, the unit sense the temperature smartly and automatically takes measures to protect itself.

Pros:

  1. No fabrics
  2. Supports two bathroom easily
  3. Commercial use available
  4. Endless hot water
  5. Easy installation with help of handy man
  6. Freeze protection system

Cons:

  1. The water does not get that hot on temperature point
  2. Working noise can be heard


Rinnai Electric Tankless Water Heater

As most of the tankless water heaters brands, Rinnai is also a brand experts on natural gas and propane tankless water heaters only. Therefore, we do not recommend much Rinnai electric tankless water heaters for you. If you intend to know more about electric tankless water heaters, we have made electric tankless water heaters reviews for you. Or you may get to the other electric tankless water heaters brands such as EcoSmart and Stiebel.

Rinnai Propane Tankless Water Heaters Reviews

Propane tankless water heater is mainly powered by propane, it is able to save much money on electric and water bills for you. Besides, it heats up water quickly. Here we made Rinnai propane tankless water heaters reviews for you:

1. Rinnai RL94eP Propane Tankless Water Heater

This unit is powered by propane, it is installed indoor, so venting kits are required. Maximum water temperature can be up to 185 degrees F, thus it is able to be used commercially. 9 gallons per minute water flow enables you to enjoy satisfying hot water.

rinnai natural gas tankless water heater
rinnai tankless gas water heater

2. Rinnai V65EP 6.6 GPM Outdoor Tankless Propane Water Heater

This propane tankless water has low flow rate, reaching up to 6.6 gallons per minute only. It should be installed outdoor, so no venting kits need to be installed. The compact and small shape makes it simple to install and carry.

rinnai natural gas tankless water heater reviews
rinnai gas tankless water heater reviews

3. Rinnai RL94iP Propane Tankless Water Heater

Flow rate of this unit is 9 gallons per minutes, able to meet the demand of large family use. Digital control set is super easy to operate. It is able to provide constant hot water for two bathrooms and three sinks simultaneously. The maximum temperature of it reaches up to 140 degrees F.

rinnai tankless water heater ruc98i review
rinnai tankless hot water heater reviews


Rinnai Tankless Gas Water Heaters Reviews

Rinnai tankless gas water heater is the top selling series products in the market, most of them are designed easy to operate and are quite efficient. We made a classifications on different kinds of best Rinnai tankless gas water heater reviews for you as follow:

Large flow rate tankless gas water heaters:

1. Rinnai RUC98iN Ultra Series Tankless Water Heater

review of rinnai tankless water heater
rinnai water heater reviews

2. Rinnai RL75iN Natural Gas Tankless Water Heater

rinnai natural gas tankless water heater
rinnai tankless gas water heater

Best Commercial Rinnai Gas Tankless Water Heaters:

1. Rinnai RUC98iN Ultra Series Tankless Water Heater

review of rinnai tankless water heater
rinnai water heater reviews

2. Rinnai RL75iN Natural Gas Tankless Water Heater

rinnai electric tankless water heater
rinnai propane tankless water heater


Rinnai Tankless Water Heater Cost

The price of Rinnai tankless water heaters are various according to the types and specifications. For large flow tankless water heater, price of which are relatively high. Therefore, if you are short of budget, you may get another brands or the low flow rate tankless water heaters.

Apart from the tankless water heaters price, there are also installation costs you need to consider before buying. Many of Rinnai water heaters need to be installed by professionals, therefore, you may need to take large sum of money on it.

But the quality and using performance surely worth the high price, and ten years warranty for heat exchangers enables to give you the most satisfying purchasing experience.

If you have interest in buying Rinnai tankless water heaters, please feel free to check price on Amazon, and there will be large rebate at most times, able to save more money for you.

Is Rinnai The Best Tankless Water Heater

Many people are wondering what is the best tankless water heater, and is Rinnai the best one among so many brands? Well, as is known to us all, there are many famous and leading brands on the tankless water heater markets, and we cannot say which exactly is the best. Because each of the brand has their own features and their special technologies, some of which fits large family, some of which saves more energy.

Therefore, in order to get a suitable tankless water heater, you should make clear of the difference between them and see which function suits your home most. Of course the budget is the key factor before buying. If you still have trouble in choosing suitable tankless water heaters, please feel free to check them on Amazon or directly contact us for more.

is rinnai the best tankless water heater
rinnai tankless water heater reviews

Rinnai Tankless Water Heater Venting

Unlike other tankless water heaters brands, some of the Rinnai tankless water heaters are special and different. You need to place it near an outside wall. As most of which are non-condensing types, it requires the aluminum interior vent pipe with PVC outer pipe.

Rinnai claims that most of the tankless water heaters can be installed by 1/2 inch pipe, but customers complain that 3/4 inch pipe is still needed. Therefore, you should ask in detail before buying and make sure it fits your home well.

Last Words On Rinnai Tankless Water Heaters…

Rinnai tankless water heaters price is a large deal to most people, so before buying, you should make clear of the performance and flow rate, making sure the product you choose fits you well.

Here we specially picked out top 3 best Rinnai tankless water heaters for you to choose:

Top 3 Recommended Tankless Water Heater Best Type
Rinnai RUC98iN Tankless Water Heater Best selling type
Rinnai V65IN 6.6 GPM Tankless Natural Gas Water Heater Lightest and the most compact type
Rinnai RL75iN Natural Gas Tankless Water Heater Best one for commercial use

If you have any other problems or want to know more details, you can contact us for more, or just check them on Amazon directly.