10 Best Rinnai Tankless Water Heater Reviews in 2022

What’s better than having a never-ending stream of warm water, especially in winter? If you’re hunting for a tankless unit, which better company is there than Rinnai?

Rinnai is a Japanese organization and a prominent manufacturer of water heating systems. Its motto is to bring comfort and satisfaction to its consumers.

Therefore, they produce compact, high-efficiency, and high-performance devices for residential and commercial settings.

Many of their machines are energy-star qualified and equipped with cutting-edge technology, such as they are WIFI enabled and can be controlled with voice.

With longer warranties and completely replaceable components, Rinnai is famous for its robustness and permanence.

In this guide, we will share detailed Rinnai tankless water heater reviews to assist you in finding the right product according to your specific needs and preferences.

When you are thinking about replacing your existing appliance with a new one, choosing the right unit for your residence can be challenging.

Especially because there are countless products available and numerous factors that you will need to consider.

You can take guidance from this article to find out the best Rinnai gas tankless water heater presently available in the market.

10 Best Rinnai Tankless Water Heater Reviews

1. Rinnai RUR98iN Natural Gas Tankless Water Heater – Best Overall

Rinnai RUR98iN is enormously popular among users for its high-end performance and innovative features. It boasts 9.8 GPM to provide you with warm water all across your residence.

As it’s a condensing device, it’s highly energy efficient and exhibits 96% energy efficiency rating.

The installation process of this model takes a little longer than a non-condensing one, and you can procure to pick between twin pipe and concentric venting kit.

We like it because of its user-friendly design that is not only space-saving but offers you information about the entire machine’s performance by just watching at the LED display.

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2. Rinnai RL75eN Natural Gas Tankless Hot Water Heater – Great Value

This model is another masterpiece from Rinnai that is specifically designed for medium and large houses. It is an energy star-rated product and can control its flow to a great degree.

As an indoor device, it utilizes a concentric venting system. One of the pipes brings in the fresh air, and the other pipe serves as an exhaust, eliminating combustion products vertically with roof permeation or horizontally through a wall.

If you have lower water requirements, it can generate 0.4 GPM. However, if you have higher hot water needs, it can offer you 7.5 GPM.

Furthermore, it is armed with several safety components, including boiling protection, RPM check, and frost protection.   

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3. Rinnai RLX94iN Natural Gas Tankless Hot Water Heater

The next model on our “Rinnai gas tankless hot water heater reviews” is Rinnai RLX94iN. It is a top-rated water heater that exhibits a 9.4 GPM flow rate which is the highest currently available in the market.

It can support numerous fixtures that can be linked and attached to the machine. On the other hand, the company has integrated Circ-logic technology that helps conserve water.

It circulates the warm water to keep it warm for a prolonged duration. Hence, it aids in conserving both water and power with the help of this method.

If we talk about its construction, it weighs only 50 LBS, so it is extremely lightweight. The installation process of this unit takes only 5 minutes.

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4. Rinnai RUC98iN Indoor Natural Gas Tankless Water Heater

This dependable Rinnai tankless water heater reviews has a maximum BTU of 199,000 and the highest thermal rating of 92%. It is designed with low NOx technology, so it is an optimal option for lowering carbon dioxide emissions.

It is noiseless and swift in operation and does not take a long time to deliver warm water. Besides, you acquire two venting options, including twin pipe and concentric PVC.

Speaking of its design, it is made with sturdy materials, so you can rest assured that it will last longer.

Plus, its compact design does not consume a lot of storage space, making it a superb choice for indoor deployment.

Best of all, it comes with a 12-years heat exchanger, 5-years parts, and a 1-year labor warranty.

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5. Rinnai V75iN Natural Gas Tankless Hot Water Heater

The Rinnai electric tankless water heater reviews are exclusively manufactured for small and medium-sized residences with limited space.

It vaunts a compact design and weighs only 14 X 9 X 27 inches. Its cool white design will increase the beauty of your house. If we discuss its performance, it will certainly deliver a powerful performance.

With a flow rate of 7.5 gallons per minute and an output rating of 180,000 BTUs, it’s a powerful heater in a smaller package.

The energy factor of Rinnai V75iN is 0.82, and the temperature range is 98 to 140 degrees Fahrenheit, which means you can select your desired temperature.

We have included it in our guide because it demands minimal maintenance. Plus, its deployment procedure is quite easy.

It utilizes concentric direct venting, allowing it to be effortlessly mounted even in closed locations.

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6. Rinnai V65iP Propane Tankless Hot Water Heater

Rinnai V65iP is the best Rinnai tankless water heater that comes with a whole compact body to help you save space on your property.

Since it’s lightweight and offers a mounting option, it requires minimal time to deploy. Furthermore, this product is made with high-grade materials that signify the unit’s long life.

We appreciate that it has a WIFI connectivity option available that enables you to easily link it to your smartphone.

Talking about its flow rate, this incredible model boasts a 6.5 GPM, so you are sure to acquire never-ending hot water for your daily needs. It takes only a few minutes to give you warm water.

The cherry on the top is that it has a 10-years warranty for heat exchanger, a 60-months warranty for parts, and a 1-year warranty for labor.

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7. Rinnai RL94iP Propane Gas Tankless Hot Water Heater

The next model on our list is Rinnai RL94iP, which has a nice built and weighs only 44.3 pounds. It is made with lightweight materials, so you can comfortably install or carry it with you to your desired destination.

Since this great quality heater is powered by propane gas, it is obvious that you must deploy it outdoors. Plus, you will have to properly maintain the pipes because they might get frozen in winter.

However, propane gas also means that the heat exchanger will operate swifter, and thus, you will get warm water faster.

Coming to its capacity, it features a maximum capacity of 9.4 gallons per minute, which is pretty high in this price tag.

Best of all, it has built-in PVC pipes, so the heat will stay longer, helping you in both water and energy saving.

Apart from this, the manufacturer has installed contemporary technology and advanced features. Besides, you can connect it with the internet to control it remotely.

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8. Rinnai RUS75eN Tankless Hot Water Heater

It is a natural gas water heating system, but it is also offered in propane. It is specifically produced for outdoor installation, so it requires proper maintenance.

The water flow rate of this superior quality unit is 7.5 GPM, so medium and large-sized households can buy it without overthinking.

It’s made with durable elements, so it will definitely last much longer. Also, it has a compact design and is super easy to install. However, you cannot install it yourself, so you will need to hire professional services.

Moreover, it offers various venting options, including PVC and CPVC, utilizing the ubbink concentric to a twin-pipe adapter, permitting hassle-free deployment.

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9. Rinnai RU160iP Propane Gas Condensing Tankless Hot Water Heater

Rinnai gas tankless water heater reviews are a part of the Sensei SE+ Series. It’s supremely efficient and has an energy factor of 0.95. Also, it’s qualified by energy star.

This product is explicitly crafted for home and commercial usage. Besides, it comes in two options: natural gas and propane, so you can pick any fuel type that is easily available in your area.

On the other hand, it is furnished with a fiber mesh premix burner, which uniformly allocates the flame to deliver maximum performance.

It boasts an output rating of 160,000 BTUs that provides you with a flow rate ranging between 0.26 and 9.0 GPM. The lowest flow rate offered by this affordable machine is ideal for people who have low hot water demands.

It can effortlessly supply water for 2 to 5 faucets simultaneously. Additionally, it has an MC-91-US controller and a default temperature setting of 98 to 120 degrees Fahrenheit.

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10. Rinnai RL75iN Natural Gas Tankless Hot Water Heater

Rinnai RL75iN is also one of the most reliable, high-performance, and tremendously energy-efficient tankless units by Rinnai. It has the highest uniform energy factor rating of 0.92.

One of our friends has installed it at their house, and it’s simply exceptional. It’s created based on low NOx technology, reducing the discharges of carbon dioxide.

This revolutionary system works quietly and takes only a few minutes to give you hot water. With this Rinnai tankless heater, you get two venting options, including twin pipe and concentric PVC.

If we converse about its design, it is assembled with high-quality materials and lasts longer. The nice thing is that it’s compact, so you can easily install it on the wall yourself.

Lastly, you can enjoy 1-year labor, 5-years parts, and a 12-years heat exchanger warranty with the Rinnai tankless water heater reviews.

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Key Features Of The Best Rinnai Tankless Water Heater

Rinnai manufactures some of the top-notch devices globally; here are a few key characteristics that make them a reliable name in the market.

Energy Efficiency

The most important parameter you should consider while buying a unit is energy efficiency. Rinnai’s appliances are extremely energy efficient.

Their SE and HE series help you save a considerable amount in power costs. Efficiency is evaluated by uniform energy factor, which is a measurement utilized to assist users in comparing one heater to another.

Rinnai propane tankless water heater reviews feature a UEF rating between 0.81 and 0.97.

Internet Connectivity

You can link the Rinnai heaters with the internet to control them remotely. All you need to do is download the application and add a Control-R module to regulate your unit remotely, check its performance, and fix problems.

Many individuals love that they can send the data directly to a Rinnai expert. Before he even comes to your house, he’ll know the issue and what components to bring. Many Rinnai machines have WIFI connectivity.

Circ-Logic Technology

You can take advantage of this feature to set patterns that match your warm water use.

The recirculation system makes hot water available on-demand, and during the hours when you don’t need the water, the system is inactive, saving your money.

Not all Rinnai’s heaters have circ-logic technology, but SE, SE+, and HE+ series are armed with it.

Warranty

Rinnai offers the most remarkable warranties in the market. All of their products have 5-years parts, a 1-year labor, and a 12-years heat exchanger warranty. However, you will have to register your unit within the first month of purchase.

Although professional installation is not needed, the manufacturer highly recommends deployment by an expert and licensed plumber. In case of incorrect deployment, the warranty will be negated.