Top 10 Best Rinnai Tankless Water Heater – Great Reviews 2024
There is absolute sanity in feeling tired after a long day at work. On your way home, all you can think of is having a warm refreshing bath to rid you of your exhaustion. As far as hot showers are concerned, I am a major addict. The wave of relaxation that rests on my body once I have a hot shower is something worth looking forward to every day. This is why you need to invest in the best Rinnai tankless water heater so that you can enjoy using hot water at home.
In this case, we are focusing on tankless hot water heaters. This remarkable invention has been on the market for many years and I love how people are receptive to their service as like Cute Water Heater. This indicates how hard it is to back down from a sweet deal such as this one. Rinnai tankless water heaters work well and they also come at reasonable prices.
Below is information on Rinnai tankless water heater reviews offering long-term, quality service. If you are interested in making a high-value investment in hot water heaters, Rinnai tankless water heaters would be a rewarding pick. You will no longer have to worry about maintenance costs on fuel and recurrent water leaks and blocks during winter. This is not only your partner for life but also a dependable one. Let's find out more!.
10 Best Rinnai Tankless Water Heater - Comparison
Picture | Product Name | Weight | Dimension | Latest Price |
|---|---|---|---|---|
 | 62 pounds | 18.5 x 11.4 x 31.3 inches | ||
 | 45.4 pounds | 14 x 9.3 x 26.9 inches | ||
 | 82 pounds | 10 x 18.5 x 26 inches | ||
 | 47.4 pounds | 9.6 x 14 x 24.3 inches | ||
 | 44.3 pounds | 9.6 x 14 x 24.3 inches | ||
 | 70.5 pounds | 18.5 x 10.7 x 26.4 inches | ||
 | 61.7 pounds | 10 x 18.5 x 26 inches | ||
 | 50 pounds | 14 x 9.3 x 23 inches | ||
 | 84 pounds | 22.1 x 14.8 x 33.9 inches | ||
 | 57.3 pounds | 10 x 14.5 x 26 inches |
Top 10 Best Rinnai Tankless Water Heater - Reviews
Rinnai provides you with great water heaters that meet your needs. Whether you need cheap gas water heaters or the best tankless gas water heater, they have got you covered. We will cover top 10 recommended Rinnai water heaters that you can consider buying.
1. Rinnai RU130iN Sensei Super High Efficiency Tankless Water Heater
Description
The Rinnai Sensei SE+ tankless water heater is a brisk compact model that is installed for indoor purposes. This best tankless water heater saves on space of up to 16 inches as compared to a traditional storage tank. It is compatible with using both natural gas and propane. The energy-efficient unit ensures that neither water nor gas goes to waste. This is made possible with the Circ-Logic technology that services your requests faster according to your scheduled patterns.
Performance
The performance is optimal at a flow rate of 7 GPM which connects your utility appliances, kitchen faucets, and showerheads. It is advised to have a temperature setting of 120oF which works well with all faucets. It's even more convenient for you to work or study at home since the noise emission is minimal. As far as I am concerned, quiet settings are most suitable for activities that call for tight bubble concentration.
Smooth Installation
If you are planning to install by yourself, you should seek broad knowledge on the installation details. The instructions on the manual may only give specifications on the temperature, gas flow pressure, flow rate, and all that. However, the only time you can apply the control settings is only after a successful installation. Information may vary but in case of confusion, you can get a professional plumber to do the work for you.
Key Features
Pros
Cons
Recommended for : The Rinnai RU Series tankless water heater has earned and sustained the title of the best tankless gas water heater without fail. The Circ-Logic technology is an effective strategy that works on increasing the water flow rate plus reducing water storage. You will only have to wait for about 10 seconds until your faucets have running water. The only thing that may pose a challenge is whereby your connection lacks a return line which causes a delay in hot water flow.
2. Rinnai V65iP High Efficiency Tankless Hot Water Heater,
Description
The Rinnai V series is an impressive performance unit with Wi-Fi technology capability. This all works in your favor as long as you schedule flushing perhaps twice or once a year; you are sure to have a reminder. You will also receive alerts for any issues affecting your water heater. I love the size, it’s easy for you to find a fitting spot for installing it.
Performance
With a flow rate of 6.5 GPM, you will not have a hard time while using hot water for showers, laundry or a dishwasher. The minimum flow can vary according to the temperature setting and the inlet water temperatures. This feature applies to all tankless water heaters. You can also use a mobile app to timely get the flow of hot water in your fixtures.
Smooth Installation
For most folks that have done installation and set up without calling for a professional, they have had to go through trial and error. It is always a new adventure when DIY projects are involved. I assume that most of you have tried one of the latter projects for either home improvement or personal gains. The first time always seems clueless however advanced steps make you sharper. If you have done something before, it's obvious that the next time you do it, it will take you less time. Some may suggest that this is task that anyone can take on but it is all not true.
Key Features
Pros
Cons
Recommended for : In this golden age of technological advancements, it's quite evident to see the effort several brands are putting in to go with the trend. Rinnai models have not been left behind, with a Control-R 2.0 mobile app features. You can now synchronize the performance of the tankless water heater together with your phone. You can set schedules and timers that match your habits and the water heater can go on vacation mode when not in use.
3. Rinnai RUC98iN Ultra Series Indoor Natural Gas Heater,
Description
The energy-saving unit uses Cir-Logic technology for greater efficiency through the recirculation patterns. Additionally, this helps in water conservation. You will have an engaging experience with the Wi-Fi connection capability which allows you to keep a close eye on the unit. The unit is ideal for all home settings for utility, kitchen, and bathroom applications.
Performance
The flow rate is sustainable for up to 6 hot water fixtures. It offers a continuous hot water supply on demand at constant water temperature. It performs at low noise production that keeps your mind settled on important matters. You do not want to hear a noisy machine across the hallway from your study room or bedroom or even kitchen.
Smooth Installation
I would like to highlight the fact that you need to neutralize the condensate which may be corrosive to plumbing. I recommend the Axiom NC-1W for the task. This is not mentioned in the manual but applies to anyone using this tankless water heater. You may find that in two weeks, you may have collected 4 gallons of condensation. This is a lot, therefore, the need to use a neutralizer. It is only applicable to those with Rinnai models that condensate since some do not.
Key Features
Pros
Cons
Recommended for : The number one factor that has made an outstanding difference between tankless models and traditional tank storage is energy conservation. Considering that natural gas is a cheaper energy source than electricity and also it will take long until the gas storage is depleted. Believe me, you will not remember the last time you had a gas refill for the water heater. I do not see a better way to start going green in all your household appliances.
4. Rinnai V Series HE Tankless Hot Water Heater: Outdoor
Description
The Rinnai Company has a wide array of tankless water heaters and I would say the Rinnai V Series is the best cheap gas water heater. Since it is for outdoor installation, the size has to be fitting to make it easy to handle and carry around. If your energy costs were scaling up the curve, this time round energy-efficient methods are working towards reducing operation costs.
Performance
The Circ-Logic technology is winsome in the conservation of water and also maintaining constant water temperature within all flow rates. You can effortlessly realize when your tankless water heater is slowing down in operation with Wi-Fi technology. If you want to track your habits to match them with hot water flow, all you need is a mobile app.
Smooth Installation
A common error that seems to be prevalent in most self-installation is inadequate gas pressure. This mostly occurs when installing units that are serving as replacements. You will check the gas pressure specifications in the manual and make adjustments that match the smooth run. Sometimes it may take your phone calls to the gas supply company or even getting another gas regulator. Good thing that if you get stuck, you can easily rely on a professional plumber or customer support service.
Key Features
Pros
Cons
Recommended for : If you do not hold anything against external weather conditions, I do not see why you should not consider for outdoor installation. In my opinion, this is easier to install than an indoor heater since you neither require vents nor containments. Nevertheless, do not ignore the fact that you need to insulate your pipes; you can use Inset for that. Although the costs may be stiff, you will enjoy the liberty of limitless hot water flow throughout your home.
5. Rinnai RL94EP Tankless Water Heater, Large, RL94eP
Description
The RL series is compactly made to be compatible with indoor installation by saving on space occupation. It also conserves energy and water supply making sure of zero wastage. When compared to traditional models, the tankless water heater saves over 40% of energy. This is a sustainable the best 40-gallon gas water heater built to last long at a brisk performance.
Performance
The circ-logic technology causes the tankless water heater to operate at quick water supply and also save on water consumption. With a fairly high flow rate of 9.4 GPM, you will have limitless hot water supply through all your faucets. You can run utility operations and have a shower at the same time without compromising on flow rate and water temperature.
Smooth Installation
Rinnai Company has clearly stated in their warranty that they will not cover any damages after installation is done by a non-licensed plumber. I would not agree with that since a DIY enthusiast will take this project as an opportunity to write new stories. Experiencing failure is inevitable in this situation; however, do it with the restrictions in mind. Get ready to take frequent trips to and from the hardware store to purchase the proper connection valves and other equipment.
Key Features
Pros
Cons
Recommended for : I believe that it is not an easy job having to work with a water heater that does not have an LED display especially in dark areas such as the garage. However, this one specification that works to your advantage. You will not need a pilot light for the garage or the outdoor wall position where you have installed your tankless water heater. Additionally, if you have a major love for camping, there is no best portable water heater.
6. Rinnai RU80EN 8.0 GPM Outdoor Ultra-NOx Heater
Description
This is a tenacious, aligning structure model that is made for outdoor installation. It's compatible with both natural and propane gas. It functions using condensing technology to promote the unit's efficiency plus significant savings on energy. Has thermal efficiency of up to 97 percent which protects the heater from overheating.
Performance
It performs at a flow rate of 8 GPM perfect for a quick supply of hot water demand. Has Ultra-NOx emission that is perfect for any home environment and also meets emission standards for Texas and California. It works well on full line of digital controllers that automatically adjust control settings such as temperature.
Smooth Installation
A building inspector and the gas company normally inspect after you install a tankless water heater. Therefore whenever the installation is done, ensure that they inspect the unit before you begin using it. If you are willing to spend the extra cash for installation over having to do it yourself, hire a licensed plumber. I believe that the quality of the installation directly influences the performance of the water heater. I guess that's why people have different experiences and opinions after using it.
Key Features
Pros
Cons
Recommended for : The most surprising detail of owning a Rinnai tankless water heater is how a small unit gets to work like a beast. It's rather common to have electric water heater or tank storage replacements with a tankless model. I do believe this is not at all questionable; having a water heater that offers endless hot water supply is an irresistible deal. The tankless water heater may have its downsides that would mostly focus on the initial cost of installation and purchase. Nonetheless, it's a remarkable trade-off for long, achieving years of service.
7. Rinnai RUC80iN Ultra Series Natural Gas Tankless
Description
The RUC80in model is a compact, energy-saving tankless water heater with a flow rate ideal for all home settings. It ensures plenty of hot water supply at all times, ensuring that all your requests are serviced within a short time. Regardless of the space, you have in your home, I am pretty sure that this tankless water heater will make a perfect fit.
Performance
The temperature of the water remains the same even with different water flow rates. This means that your clothes will not get creased in case the water temperature shoots up or a case where you might get burnt. It will forever have a superior performance that saves on the gas supply, therefore, cutting down on the operation costs.
Smooth Installation
Evidently, some homeowners have decided to take it upon themselves to perform the installation procedures themselves. However, not all of them succeed thus end up consulting a professional to do the job for them. The installation could be challenging for anyone who is starting therefore we advise that you seek a higher council for impeccable results.
Key Features
Pros
Cons
Recommended for : If you have received recurrent disappointments when using tank storage tanks or rather other tankless models, it's time for a home makeover. This tankless water heater will ensure that your warm or hot baths are long and soothing. I love hot water; the relaxation effect works like magic. When you use the tankless water heater, you will realize that their plenty of hot water supply.
8. Rinnai RL Series HE+ Tankless Hot Water Heater: Indoor
Description
The RUR series tankless water heater is engaging to the user with Wi-Fi connection capability. You can, therefore, create regular timers and schedules for showering or laundry, to suit your daily activities. In this way, you can accomplish tasks faster and also monitor the performance of the water heater. At least you will have a heads up before something goes wrong.
Performance
This is the best way to invest in a smart and reliable unit that can serve you for expectedly 20 years. The parts are also replaceable for proper maintenance. It offers endless hot water supply regardless of the fixtures connected. The flow rate and temperature of the water is simply adjusted in the settings for a consistent experience.
Smooth Installation
Most of the individuals who have tried self-installing a tankless water heater usually seek a helping hand from experienced persons. I would say this works for them since they need not spend more money on a licensed plumber. Those who work alone have a fairly rough time and make it through after a relentless effort and a learning experience. You should choose a situation that works for you.
Key Features
Pros
Cons
Recommended for : Conventional storage water tanks are known to last for about 10 years, no wonder it's rare to find alternatives for your home. Perhaps you may assume that water heating technology is at the same place you left it, well you bet it is not. A tankless water heater is one of the latest improvements that work effectively with high water flow rates and indoor water supply. You will discover the amazing benefits it comes with and fully embrace it.
9. Rinnai RUR Series Sensei SE+ Tankless Hot Water
Description
The RL series is compactly made to be compatible with indoor installation by saving on space occupation. It also conserves energy and water supply making sure of zero wastage. When compared to traditional models, the tankless water heater saves over 40% of energy. This is a sustainable unit built to last long at brisk performance
Performance
The performance is almost similar to that of the Sensei Series with a ThermoCirc360 technology. This feature allows hot water recirculation for faster flow rates to your fixtures. The hot water can now reach your hot water faucets faster than expected. The only difference is on the flow rate; RL series has 7.5 GPM which is lower than the Sensei.
Smooth Installation
Installing a Rinnai tankless water heater may not seem too hard when it comes to handling the unit. But I would not say the same for the complex technicalities involved in making connections. You might have the capability to purchase all the necessary equipment and securing a perfect position for the unit attachment. Nevertheless, that's the easy part, the valve attachments call for expert intervention.
Key Features
Pros
Cons
Recommended for : A good number of people have been receptive to the tankless water heaters and I am sure they love every inch of it. It may have taken you a long time or a short time to get to where you wanted in terms of home improvement tactics. A tankless water heater is an excellent component to add on to your home appliances being energy efficient and with diligent performance.
10. Rinnai RUCS Series SE Tankless Hot Water Heater:
Description
The unit is smaller than a microwave yet never runs out of hot water. It can easily fit into any home space since it does not take up much of it. From now on, the cost of your annual power consumption will go down the ladder; it's remarkable.
Performance
The thermocirc360 technology keeps hot water under recirculation to generate high pressure for optimum flow rates into your faucets. It's hard not to fall in love with the endless hot water supply especially in your bathroom. Prolonged hot baths equal extra relaxation. With Wifi connection, you can form adaptable patterns that suit your habits.
Smooth Installation
I know what a brave step it is to handle things alone, especially for DIY projects such as tankless installation. For the love of self-reliance, you may decide to make all the connections with a series of failures and learning experiences. But for those who know, this kind of thing is not what they roll with, professional plumbers will come to your rescue. In whatever space you are in, I bet the installation process will get you impressive results.
Key Features
Pros
Cons
Recommended for : I have been drawn to the growing support of the notion that Rinnai tankless water heaters are the emerging solution for hot water supply. The energy efficiency and upscale performance is at a whole new level. If you are looking for a model that not only works like a beast but also lasts a lifetime, I believe you are at the right place.
Watch the Installation of Rinnai Tankless Water Heater
Video-Transcript:
Credit for this video - Ray Ray Ray
How To Choose The Best Rinnai Tankless Water Heater
Whether you are buying the best 50-gallon electric water heater or the best 40-gallon gas water heater, you need to know several things. This is the same case when it comes to Rinnai water heaters. We have prepared a guide that will help you pick the right water heater. Yes,
Consider Size
Most Rinnai Tankless water heaters are made in different sizes. This might depend on the place to be placed. The most vital factor to consider before buying a Rinnai Tankless water heater is size. Probably, it is essential to measure the size of your roof or any other place you would situate the heater before you spend your coin on buying it.
Location of Installation
Buying the Rinnai Tankless water heater could be a stressor. This might be a result of insufficient place to locate it. Therefore, before you purchase this item, the location of installation becomes a significant factor you should consider.
Similarly, the modern and space design of this Rinnai Tankless water heater will offer you flexibility when it comes to set up on the room walls or even outside the room. In the future, this will ensure you highly enjoy the fun of warm water while taking a shower, among others.
Venting Options
The choice of appropriate Rinnai Tankless water heater, venting, becomes a significant factor you need to consider before spending your cash on it. Besides, most proper venting options will enable the Rinnai Tankless water heater to be placed at either horizontal or vertical installation style. This will offer optimum safety and performance.
Consider Gas Lines and Fuel Type
Rinnai Tankless water heater products are available from the dealer in different types. It is vital to choose the best models, either gas or liquid propane fuel types. However, this type of Rinnai will increase its efficiency in functioning. Moreover, the proper choice of Rinnai also ensures less carbon emissions. This makes it friendlier in the human environment.
Price
Price becomes the primary factor to consider when purchasing any product. Note that, Rinnai Tankless water heater is available in the market in different amounts. Therefore, you may choose a cheap Rinnai Tankless water heater to avoid future budget.
It not wrong, as long as it performs adequately for its functions. This would have saved you from spending much money.
Proper Installation
The person to install it is a factor to consider, and probably it should be a stressor. According to the Rinnai dealers recommendations, this Tankless water heater installation must be only performed by a licensed contractor.
Similarly, this person must undergo thorough training to handle the gas, plumbing, electricals as well as venting aspects. This will eventually ensure you enjoy the operational services offered by this Rinnai Tankless water heater.
Warranty
Most Rinnai Tankless water heater is made to last for a period of three to 12 years. Moreover, producer companies may decide to offer them with extended warranty Period while others offer a shorter period warranty. Therefore, probably go for the one with an extended warranty since they tend to be more durable than the ones with shorter warranty terms.
How to Maintain a Tankless Water Heater
The tankless water heater is prompt of accumulating minerals and debris inside the heating chamber. These might result in altering its performance. Therefore, here are some of the guide to lead you on how to maintain your Tankless water heater for it to last longer;
To ensure your Tankless water heater is well maintained, always remember to turn off the power source for the Tankless. This can be done by shutting the circuit and main gas.
Always close or turn off the water valves, which is attached to the Tankless water heater. This will prevent cold water, which opts to flow into the water heater, which may in lead to damaging it.
The purge port valve caps should be gently removed from the purge valves, which is located on each of the cold and hot water valves. This is performed to relieve the pressure that has built inside the valves to prevent excess hot water from getting a contract with the skin.
Yes,
Use undiluted white vinegar to clean the Tankless water heater. This can be done at any time you clean the heater. This is essential in that undiluted vinegar is environmentally friendly, which cannot hinder a person’s 'health.
By taking 45 minutes, upon the installation, kindly perform the flushing and draining to release all the unwanted chemicals, which may bring damage to the heater.
Always refer to the manufacturer's manual guide when using this Tankless water heater. This is quite important in that, it will provide you with exact instructions on how to safety re-start and operate your water heater. Moreover, this manual guide will enable you to fix the heater even in the absence of a professional installer.
Frequently Asked Questions
Q: Does Rinnai Company manufacture electric water heaters?
A: No they do not. The first reason why they do not manufacture them is creating an electric model that sustains a basic household needs for hot water calls for prohibitive power requirements.
For instance, a 3GPM electric unit needs an amperage and voltage of 150amp and 250V respectively. The power used is extreme. The last reason is that the operation cost of electric units is more costly than gas models.
Q: How long is a Rinnai tankless water heater expected to last?
A: The life expectancy of a Rinnai tankless water heater is about 20 years. The heat exchanger has a warranty of 12 years built to last long.
This is quite impressive for a water heater; it lasts almost double the time tank models last. The reason why they last long is because they are energy and water efficient and at least with the proper maintenance, it should last that long.
Q: What are the cons of using a tankless water heater?
A: Investing in a tankless water heater is the best decision you could ever choose. They are majorly powered by natural gas which makes it energy efficient.
Owing to that, you will have the benefit of having an endless supply of hot water. Their compact design makes them occupy less space and you can include a drain pan to prevent leakages.
When using the tankless model, you will be at a lower risk of dealing with water leakages or limited water flow. The major disadvantage is the cost of installing and purchasing which is higher than conventional tank models.
Q: Is it necessary to flush a Rinnai tankless water heater?
A: Yes, it is. It is recommended for you to flush your tankless water heater annually. If you do not flush your unit, mineral deposits are likely to build up causing clogs.
This will slow down the performance of your unit and reduce its lifespan. You will begin experiencing system defects on the water flow rate and temperature. I am pretty sure that flushing out the dirt is a better and more economical than replacing parts once every year.
Q: Can you run out of hot water with a tankless water heater?
A: Running out of hot water is nowhere in the picture when it comes to tankless models. This is because hot water runs through the faucets when only in need.
Therefore, the rest of the time it is not in use, your water and gas is turned off. Perhaps, you have an undersized tankless water heater and that's why it has insufficient water flow. Otherwise, you cannot run out of hot water.
Final Thoughts
If you need a new water heater or an immediate replacement for your old one, a fortiori a tankless gas water heater has to be top of the list.
I believe that you have acquired notable insight into the best tankless water heater. At the very least, this will aid in your selection regarding hot water heaters.
One is usually in a better position of making the right choices when backed up by a relatable source of information. Perhaps you do not have an urgent call for water heaters at the moment, however cold weather seasons will not spare your delay. It's particularly advisable if you prepare beforehand for fewer inconveniences.
Before you know it, you will grow into the routine of having hot showers and using hot water for dishes and laundry. I am saying that from a point of experience when it comes to hot water I can barely run out of ways to use it at home.
This is all possible with having a Rinnai tankless water heater installed. You could never go wrong with embracing eco-friendly technology plus a revitalized performance capability assured to offer remarkable service.Thanks.
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