Best Rinnai Tankless Water Heater Reviews
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10 Best Rinnai Tankless Water Heater Reviews

rinnai tankless water heater reviews

Who likes to wait for long hours while taking a shower in hot water? I bet that you don’t! If it’s the winters, the water present in the tank is already chilly. Thus, it may take up a lot of time to bring out the warm water from it. Choosing a proper Rinnai tankless water heater may always solve your problems with ease and without any difficulties at all.

Most of the top-notch products from the manufacturer come with impressive technology that can easily reduce the time. However, if you are searching for a new Rinnai Hot water heater, it may get difficult to choose one.

Especially because there are so many products available and so many parameters that you will have to consider! You can have a look at this guide on Rinnai Tankless Water Heater Reviews to find out the best one available in the market today. 

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1. Rinnai RUC98iN (Best For Home Use)

This amazing water heater is great for your indoor requirements. Specifically, the natural gas fuel included emits the least amount of NOx which is always helpful for a friendly environment. Apart from this, the product has only 0.96 energy factors making it much more efficient.

2. Rinnai V65EN (Best For High Flow Rate)

The Rinnai V65EN includes a decent flow rate of 6.5 GPM which is great for any tankless water heater. This also means that the Rinnai V65EN takes the least amount of time to heat the water. Since it is continuous, you can get endless hot water for your home.

3. Rinnai V65IP (Best Budget Pick)

The Rinnai V65IP includes some decent features like high efficiency and a decent flow rate. It is an ideal product to have if you are considering the low budget. Moreover, the wireless controller option is a great added benefit to the product.

4. Rinnai RL75IN (Best For Big Family)

If you have a big family in your home, you need a product with a higher flow rate. The Rinnai RL75IN comes with 7.5 GPM which can serve any family with decent water. It has Circ-Logic technology that helps in water recirculation and thus is more efficient to work with.

5. Rinnai RLX94IN Luxury (Best For Commercial Use)

The Rinnai RLX94IN Luxury comes with natural gas fuel and some decent features which make the product a decent purchase. It also has a high flow rate of 9.4 GPM which allows the user to get the best-in-class experience. 

6. Rinnai RL75EN (Best For Personal Use)

The Rinnai RL75EN comes with some amazing features like low gas pollution and high energy efficiency. It also has a decent flow rate which allows you to use the product personally. Apart from this, the product features Cric-Logic Technology to conserve water by recirculation.

7. Rinnai RL94IP (Best For Small Family)

It is a great product when you have a limited number of faucets running in your home. The Rinnai RL94IP provides a decent flow rate of 9.4 GPM which is great for any small family and fast use. You can always get endless hot water from it.

10 Best Rinnai Tankless Water Heater Reviews

1. Rinnai RUC98iN Tankless Water Heater – Best For Home Use

BTU Consumption:

When it comes to choosing a tankless water heater for your home, you’ll try to choose a product that consumes low energy. The Rinnai RUC98iN is one such product that consumes low energy and is also efficient for the work. The product consumes a maximum of 199000 BUT unites which makes it appear to be quite decent when it comes to picking the best option. 

Highly Efficient:

Coming to the efficiency of the product, the Rinnai RUC98iN seems to be a great option. It includes 0.96 Energy factors which are very high in terms of efficiency. Apart from this, the uniform energy is around 0.92 which is also quite decent for the long run. So if you are running the product for long hours and choosing multiple faucets with it, you can always have a great time.

Decent Warranty:

The Rinnai RUC98iN includes durable material for the construction. This involves high-end specifications which makes the product ready for the long hours. Moreover, it also includes a long warranty of 12 years on the heating element. Apart from this, the users can also get a 5-year warranty on various components provided. To add to this, a 1-year warranty on the labor makes it a great choice.

PVC Venting:

The Rinnai RUC98iN involves natural gas as the primary fuel type involved in the product. This allows the heater to emit less harmful gasses while working. But what we like about the product is the proper ventilation system. Since it works with concentric and PVC venting option, the gas consumption is also low. It also keeps the product safe because of this technology.

Compact Design:

The body of the product is designed in a space-saving formation. It seems to be quite compact than most of the tankless water heaters that are already available in the market today. Because of this, the weight of the product is slightly less and it requires less installation time.

Pros

Includes maximum BTU of 199000
It has a high energy factor of 0.96
Includes PVC venting

Cons

The price is a bit high.

Final Verdict

The Rinnai RUC98iN is one of the top-notch models available from the manufacturer. It has some great features and a high GPM that allows you to use multiple faucets. So if you are looking for a product that will suit your home requirements, this is the one to go for.

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions

2. Rinnai V65eN HE High-Efficiency Tankless Hot Water Heater

Rate of Flow:

The Rinnai V65eN HE includes a decent flow rate of 6.5 GPM. We found this water flow rate to be very handy when it comes to using a single room. However, the flow rate may be dependent upon the temperature of the groundwater available. But when it comes to regular use, the flow rate always tends to be decent for your regular use. It serves well for a family of 3-4 people.

Low Emissions to Consider:

The product comes with endless water technology that is run by natural gas. We found that this gas executes low NOx emission which also helps to keep the environment cleaner. However, keeping a proper ventilation system will be helpful for your usage. Because of natural gas usage, the energy efficiency for the product is relatively higher and it works perfectly in all climatic conditions. 

High Stainless Steel:

Coming to the construction of the product, the Rinnai V65eN HE has robust interiors. Most of the components inside are made up of stainless steel. This makes the long life of the product to be much higher than expected. If you have hard water in your locality, a low amount of maintenance and flushing is always required.

Circ360 Technology:

The Rinnai V65eN HE features the iconic Circ 360 technology. This technology is specifically involved to reduce the water wastage and also to efficiently heat the water fast. As the hot water circulates through the pipe for fast heating, you can always get on-demand hot water without any issues at all.

Decent Warranty:

The water heater comes with a decent warranty period for different components and the product. It includes a 12-year warranty for the heating element which we feel is huge. Apart from this, the product also includes a 5-year warranty on the interior components and a 1-year warranty for the labor. The service is quite decent and you will always want to relish it.

Pros

Endless Hot Water
Hot Water On-Demand
Save Valuable Space
Circ-Logic Capable
Optional Control-R Wi-Fi Module

Cons

Not great for hard water

Final Verdict

If you are staying with a family of 3-4 people all around and looking for a preferable heater, this is the product for you. The Rinnai V65eN HE includes a decent flow rate and with endless hot water. So you can always get an on-demand supply of hot water for your family.

Rinnai V65EN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Outdoor Installation
  • Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
  • Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 6.5 GPM for a powerful, constant stream that serves up to 5 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

3. Rinnai V65IP Tankless Water Heater Review – Best Budget Pick

Attractive Design:

The Rinnai V65IP involves a complete compact body that is designed to save space. Since it is completely light in weight and comes with a mounting option, the product requires less time to install. Moreover, the materials inside are made up of high-grade elements that denote a long life of the product. 

WiFi Control Module:

We liked the concept of the smart Control-R option available with the product. It has a WiFi connectivity option available which allows you to easily connect to the mobile devices. You can use the Rinnai app to control your Rinnai V65IP from anywhere and even change the settings. It is a very handy feature if you are returning home and you want to take a shower immediately.

Decent Flow Rate:

Coming to the flow rate, the Rinnai V65IP features a 6.5 GPM constantly. But because of the high efficiency, it gives endless hot water for your needs. It just takes up around 1-2 minutes to start giving you hot water. But what we like the most about the product is the PVC pipe hosing present with the product. It allows the heater to conserve the water and keep it hot for long.

Propane Gas Fuel:

The product comes with propane gas. The energy consumption of the propane gas is a bit higher than that of natural gas but it works effectively. Moreover, the product has corrosion-free elements along with the PVC pipes installed for hot water flow. This allows the heater to heat up faster and be more efficient with the work.

High Warranty Options:

The Rinnai V65IP comes with a 10-year warranty for the heating elements present within the tank. Apart from this, it also includes a1-year warranty on the labor and 60 months warranty on the various components present. This makes the product to be durable for long.

Pros

Endless Hot Water
Control-R 2.0 mobile app
High warranty included

Cons

Consumes more energy

Final Verdict

The Rinnai V65IP includes propane gas as a mode of fuel that gives the best response. However, considering the budget, it can be a great buy with the number of features the product involves. You can also get WiFi connectivity available with the heater for advanced results.

Rinnai V65iP Tankless Hot Water Heater, 6.5 GPM, Propane, Indoor Installation
  • Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
  • Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 6.5 GPM for a powerful, constant stream that serves up to 5 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

4. Rinnai RL75IN Tankless Hot Water Heater – Best For Big Family

Control Module Option:

The Rinnai RL75IN includes a smart connectivity option that allows any user to get control over the heater. It has the Control-R WiFi module which allows you to easily get connected and joined with the product through your mobile devices. It helps you a lot when you are not at home and still wants to operate the heater.

Circ-Logic Technology:

The product features Circ-Logic Technology. This is a specific technology created by the Rinnai manufacturer which helps you to get the best results when it comes to set regulation patterns. This helps you to conserve the water and allow the heater to flow the water only when you need it. Thus, it also saves up a lot of energy.

Rate of Flow:

We found that the product includes a GPM rate of 7.5 which is great for any decent family. So even if you have several faucets already connected to your home, it will not be a big problem for you to use this product. The most interesting part of the product is the presence of the PVC pipes for the available water flow. It keeps the water warm and also efficient for your use.

Great Warranty Needs:

The Rinnai RL75IN also includes a high warranty for your needs. The long warranty determines that you will always get good support from the manufacturer. It has a 10-year warranty for the heating element which is indeed a great option. Apart from this, you can get a 5-year warranty and a 1-year warranty on the various components and labor respectively.

Durable Construction:

The most attractive thing that we found about the product is the durable construction it has both for the exterior and the interior. It sports a decent interior with stainless steel components that can reduce the amount of limestone formation within the product. This also allows for increasing the long life of the product in no time.

Pros

Up to 7.5 GPM hot water flow
Circ-Logic technology
Save Valuable Space

Cons

Indoor Installation Only

Final Verdict

When you are looking for a product for a big family, you may have to have a fast flow rate with a bigger capacity. The Rinnai RL75IN is one such product that can easily suit your needs. The product features a high capacity of 7.5 GPM which is great for a big family.

Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iN model
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

5. Rinnai RLX94IN Luxury Tankless Water Heater Review – Best For Commercial Use

Higher GPM Rate:

The Rinnai RLX94IN Luxury is one such product that you will want to have in your home always and at any cost. The product features a 9.4 GPM flow rate which is by far the highest available. Because of this flow rate, it involves a fast heating option that can get you better results. Also, it can support multiple faucets that are connected and joined with the heater.

Advanced Platform Technology:

Apart from this, the product has Circ-logic technology which is very helpful for conserving water. This technology is represented by circulating the hot water to keep it warm for long. Thus, it helps to conserve both water and energy with the help of this process. So whenever you need the hot water, you can get the supply on-demand.

Easy to Install:

Coming to the construction of the product, the Rinnai RLX94IN Luxury weighs only 50 pounds which is quite light. Apart from this, you can also get a wall mounting option available with the product. This will allow you to easily install the water heater in just a few minutes. It took us roughly 5 minutes to set up the product and start using it again.

Decent Internal Components:

The interior components are made up of stainless steel. So it provides long life and stability to the product. However, the presence of PVC pipe housing from the heater makes sure that there is no limestone formation. But to keep it working well, you may have to maintain the product once in a month by flushing it.

UEF Ratings:

What we liked the most about the product is energy efficiency. The uniform energy factors are around 0.82 which makes it highly efficient to convert hot water using low electricity. Thus, it consumes low BTU units to perform heavy-duty even during the winters. However, the setup may take some time.

Pros

Up to 9.4 GPM hot water flow rate
High Residential Factory Warranty
Space-saving design

Cons

Requires more maintenance

Final Verdict

If you are using the product for a commercial purpose, the Rinnai RLX94IN Luxury can be a great choice. It also comes with a long warranty period for most of the interior components to assure you a better working period.

Rinnai RLX94iN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation, SCAQMD Approved
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
  • Optimal Water Pressure: High-performance 9.8 GPM hot water flow rate for a powerful, constant stream
  • Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, parts, and labor respectively

6. Rinnai RL75EN Electric and Gas Tankless Water Heater

Hybrid Working Technology:

The Rinnai RL75EN is another impressive product from the manufacturer that comes with hybrid working technology. The product can work with both gas and electricity which cuts down the maintenance cost. Because of this, it is great for any outdoor installation. However, you may have to maintain the proper maintenance of the pipes.

Rate of Flow:

Coming to the flow of the product, it features a decent flowing rate of 7.5 GPM which is decent for any small family of 1-2 people. But the most impressive part of this is the Circ-Logic technology that the product uses. This technology helps to conserve water from the Rinnai RL75EN while you are using the product for long hours. It uses a recirculation method that becomes very handy.

Great Factor Rating:

The product comes with a decent energy factor rating which is roughly around 0.82. When you use it for long hours, the heater becomes much more efficient to work with. So you may never have to worry about the manufacturing components as they can conserve both electricity and water while working perfectly with the product.

Control-R WiFi Module:

We found that the Rinnai RL75EN includes a built-in WiFi modem which gives you the best results to work with. The product has a Control-R WiFi module which lets your mobile device gets connected and joined with the heater through the Rinnai application. So now you can easily change the settings and control the heater as per your requirements. 

Great Performance:

Coming to the capacity of the product, the Rinnai RL75EN seems to be a durable choice for most of the people. The maximum temperature can be more than 150 degrees Fahrenheit. There is a smart controller that allows you to change every setting according to the climate. We found it to be very reliable even if you want to connect the heater with 5 different faucets available in your home.

Pros

Involves space-saving design
Includes water conservation technology
It is WiFi capable
Great for outdoor installation

Cons

Not fast with the GPM
Requires maintenance

Final Verdict

If you are looking for personal use, the Rinnai RL75EN can be a top choice for you. It has all the best features that you will look for in a professional model and seek for the best options. You can also get a longer warranty period with the Rinnai RL75EN.

Rinnai RL75eN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Outdoor Installation
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160eN model
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM (5 fixtures at once)
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

7. Rinnai RL94IP Tankless Hot Water Heater – Best For Small Family

Lightweight body:

When it is about the Rinnai RL94IP, the first thing that comes to our mind is the decent body and the lightweight materials that are being used to manufacture the product. It weighs only 44.3 pounds which makes it easy to travel with the product or even to install it. Moreover, the presence of the wall mounting option also makes it easier to install it near to the windows.

Propane Gas:

Since the Rinnai RL94IP is fuelled with the help of Propane gas, it becomes far more evident that you must install the product outside. But this will require proper maintenance for the pipes as they might get frozen in the chilly nights. But involving the Propane gas also means that the heating element will work faster. Hence you can get feaster production of hot water.

Decent capacity:

Coming to the capacity of the product, the Rinnai RL94IP has a maximum capacity of 9.4 GPM which is quite big in this price range. We also found that the product has PVC pipes installed which makes the heat stay for much longer and thus helping in both energy and water conservation. Moreover, it allows for a fast flow rate of hot water to the faucet.

High-Grade Elements:

The product comes with durable and high-grade elements inside the heater. Most of the elements are made up of stainless steel which provides high durability. This also reduces the chances of debris formation or limestone formation inside the pipes. You can also get a 10-year warranty for the heating element. It is followed by a 5-year warranty on the interior components.

Advanced Technology:

The Rinnai RL94IP has much-advanced technology and some of the most upgraded features. The Circ-Logic technology allows the heater to circulate the hot water through the pipe. This allows the heater to conserve water by heating them at the same time. Moreover, the presence of WiFi connectivity makes it far easier for any person to control the product.

Pros

Endless Hot Water
Save Valuable Space
High-grade elements
Durable interior body
Long warranty terms

Cons

May require proper maintenance

Final Verdict

The Rinnai RL94IP is a great choice if you are looking for a heater for a small family. It is almost 40% energy efficient considering the other models available. However, considering the price range, it is a great choice if you have 5-6 faucets connected and joined with the heater.

Rinnai RL94iP Tankless Hot Water Heater, 9.8 GPM, Propane, Indoor Installation
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE180iP model
  • Never Run Out of Hot Water with this Compact Propane Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

8. Rinnai RU199iN Tankless Water Heater

High Flow Rate:

One of the most impressive features of the Rinnai RU199iN is the high flow rate that it offers. This product can have a maximum flow of 11 GPM which is nearly the highest in the category. However, it depends on the groundwater force. Such a high rate of flow will allow you to easily configure your home with multiple faucets. Moreover, you can allow the heater to run with two showers at the same time.

Heating Units:

The Rinnai RU199iN comes with a simple mechanism that includes a fast heating option. To be fair, it has a minimum consumption of 15000 BTU units while the maximum units consumed are nearly around 199000 BTU units.

Because of the high consumption of BTU units, the Rinnai RU199iN is designed to perform with continuous support. This will mean that you can get endless hot water for your home. You can always get a continuous flow of water.

Circ-Logic Technology:

To heat up faster, Rinnai has introduced an advanced heating mechanism that will allow you to get the fastest heating options. It allows you to set a recirculation pattern. As a result, you can expect it to coincide with the typical habits.

Circ-Logic Technology is built on the advanced platform of the manufacturer which resembles water recirculation. As a result, there is not much water loss and it becomes effective to use this product.

Saves Space:

The overall design of the Rinnai RU199iN is introduced to save space. Since it contains a 40-gallon tank, anyone would consider it to be large. However, it is much more compact and space-efficient in the design.

The product is reliable to use and has a proper result. The overall dimensions of this product are highly compact and it will allow you to get a maximum length of 31 inches. The total weight is around 64 pounds which makes it easier to install the product.

Pros

Energy efficient
Reliable in nature
Good interiors

Cons

Takes some time

Final Verdict

If you want a decent heater that features high-quality interiors, this product will amaze you. The Rinnai RU199iN comes with affordable savings and may reduce the levels of CO2 emissions from the heater. This will help you to keep the product safe to use for both indoor and outdoor requirements on the go. Here are some more reviews for Outdoor Tankless Water Heaters.

Sale
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
  • Endless Hot Water: Our tankless hot water heaters offer unlimited whole-home hot water flow and come equipped with Circ-Logic for pairing with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Energy and Space Efficient: The tankless design of this small hot water heater saves on space and conserves energy as it heats only when necessary
  • Optimal Water Pressure: With a hot water flow rate of up to 11 GPM, this tankless water heater provides a powerful, constant stream that can accommodate up to 7 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively; Wifi monitoring available with Controlr module (not included)

9. Rinnai RU199iN Tankless Water Heater

Easy Control Features:

The Rinnai V65EP comes with multiple control options that allow you to get easy control over the temperature and the schedules. Rinnai has introduced the Control-R application that you can always use to provide an accurate response to the settings adjustments.

Coming to the controls, you can alter the temperature, adjust the schedules and even set timers when you log-in to the module and operate it. This will help you to get faster results.

Great Warranty:

Not many products can feature such an impressive warranty like the Rinnai V65EP. This heater comes with a 10 Year warranty on the heat exchanger. It is one of the highest in the heater segment. Moreover, you can get 12 months warranty on the services and 5 years of warranty on the parts.

When you choose any product, having a high warranty period just like the Rinnai V65EP will guarantee you proper services. Infact, you can even get the spare parts easily available in the market today.

Decent Flow Rate:

Since the Rinnai V65EP is compact, you can expect it to deliver a decent rate of flow of water. However, this product is well-equipped to deliver you around 6.5 Gallons per minute of hot water. It is sufficient for a family of 2-3 people.

The rate of flow depends on the groundwater temperature in your locality. If the temperature is low, the flow rate will go down a bit. However, it will not hamper the product much.

High Efficiency:

The Rinnai V65EP comes with Propane fuel to ignite the heater and use it for multiple reasons. Because of this, the efficiency rating for the product is much higher and it is also environmentally friendly to use.

One of the major reasons why I liked the Rinnai V65EP is because of energy efficiency and fast heating performance. This product comes with a minimum BTU consumption of 10300. However, the highest consumption is around 150000 BTU.

Pros

Comes with high efficiency
Space-saving design
Easy to install

Cons

Not the fastest flow rate

Final Verdict

If you are looking for a device that suits a family of 2-3 people, the Rinnai V65EP is a great product to choose. It comes from a brand that you can rely on for and you can get benefits from the manufacturer. The Rinnai V65EP can be a great choice if you are looking for outdoor installation. However, if you do an indoor installation, venting the product is a must.

Rinnai V65EP Tankless Hot Water Heater, 6.5 GPM, Propane, Outdoor Installation
  • Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
  • Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 6.5 GPM for a powerful, constant stream that serves up to 5 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively

10. Rinnai RL94IN Natural Gas Heater

Endless Hot Water:

The Rinnai RL94IN comes with a simple and fast heating technology that allows a continuous flow of hot water. Unlike other heaters, this product delivers you a continuous flow of hot water.

So you won’t have to wait for the long hours to get the best out from the heater. It won’t delay a single second and will give proper flow. The rate of flow of this heater is around 9.4 gallons per minute which is quite decent.

ThermaCirc360 technology:

One of the most advanced platforms of heating in the Rinnai segment is ThermaCirc360 technology. The makers have introduced this advanced technology to improve the health of the product.

This mechanism allows the hot water to recirculate through the pipe and offer you fast heating. It also prevents sufficient water loss to help you get rid of the problems. Overall, this is a great platform to be upon.

Compact Design:

Since it is completely tankless in structure, the Rinnai RL94IN is built to save space. The overall structure and the design of the product is much compact so that you can place it in any corner of your home. Compared to a tank-based heater, it can usually save more than 16 square feet of space on the go.

Coming to the installation, the Rinnai RL94IN weighs nearly 44 pounds and it becomes much easier to lift the product. You can rely on the wall mounting brackets if you want to mount the heater.

High Efficiency:

The Rinnai RL94IN runs on the uniform Natural gas ignition which is much more efficient than any electric-based heater. Compared to the other products, the Rinnai RL94IN performs well at lower temperatures while consuming 10300 Units. However, the maximum consumption of this product is around 199000 BTU units.

Pros

Circ-Logic technology
Good for Indoor Installation
Decent Recirculation Patterns

Cons

No WiFi Module Present

Final Verdict

The Rinnai RL94IP is a great choice if you are looking for a heater for a small family. It is almost 40% energy efficient considering the other models available. However, considering the price range, it is a great choice if you have 5-6 faucets connected and joined with the heater.

Rinnai RL94IN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Indoor Installation
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE180iN model
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Rinnai Water Heater Types

When it comes to choosing the ideal Rinnai Tankless Water heater, there are three different types from which you can choose one. These three mainly include the Electric, the gas-based models and the hybrid models. To know more, you can easily read below:

1. Gas Tankless Water Heater

The gas-based models are mainly powered by gas fuel to heat the water and this is the reason why they are named to be so. In the case of the Gas Tankless Water Heater, the user may have to refill the gas to keep the heater working once it finishes. Most of the models that use gas are used by either natural gas or propane gas.

But at the same time, the UEF energy rating is quite efficient. It ticks around 0.83 to 0.93 depending on the size of the model. Because of the gas burner, the sizes of the Gas Tankless Water Heaters are much bigger than any other model. The energy consumption is also low because there is no electricity used. 

2. Electric Tankless Water Heater

The next set of water heaters is the Electric Tankless Water Heater. They are the modern type of tankless water heater units. It is a bit modern form of conventional heaters where you can find the best technology involved. Unlike the regular water heaters, the mechanism of the Electric Tankless Water Heater is a bit different.

Here, the heater does not heat the water present inside the tank but it heats the flow of water. The water is heated according to a rate of 2 gallons to 5 gallons in a minute. This also depends on the size and the capacity of the heater that you are using. The space occupancy for an Electric Tankless Water Heater is much lesser than the gas ones.

3. Hybrid Tankless Water Heater

When it comes to Hybrid Tankless Water Heater, it is a mixture of the traditional water tank along with the electronic components for heating. The mechanism also involves a heat pump which allows the heater to heat the water from the heater tank and directly to the demand faucet. Coming to the price, the cost of the Hybrid Water Heater is much higher than most of the other forms.

However, when it comes to the cost, the Hybrid Tankless Water Heater is a bit costlier than the regular tankless models. The Hybrid Tankless Water Heater from Rinnai comes with a low UEF rating and around 0.97. Thus, they are more energy-efficient and also helpful to use.

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions

Features of Rinnai Tankless Water Heaters

When it comes to choosing the ideal Rinnai Tankless Water Heaters for your needs, you must pick a product that has proper features. Specifically, most of the products have some common features. We have discussed some of them below.

1. Rate of Flow

The flow rate is one of the most important features to consider when it comes to measuring hot water. It is practically measured in the GPM which is sent through the pipes. Since there are no tanks or reservoirs present with the Rinnai Tankless Water Heaters, the heating is done through the flow pipe. This rate of flow determines how much-heated water you will get in one minute.

So, the higher the flow rate that you have with your heater, the higher the quantity of hot water is what you can get. Generally, most of the regular tank heaters come with a flow rate of 4 GPM to 8 GPM. But when it comes to the Rinnai Tankless Water Heaters, the flow rate is roughly around 6.5 GPM to 9.8 GPM depending on the available models.

2. Power Source

The next most important feature is the power source of the. The different models from the manufacturer will mean that they will have different power inputs. So coming to the power source, the Rinnai Tankless Water Heaters can be classified into three different parts including electric gas, natural gas as well as the solar-powered option.

The electric heaters naturally consume more electricity than that of any gas-based models. In fact, it is just about the double BTU units consumed than any gas-powered model. But if you consider energy efficiency, the solar-powered models are the best. They consume the least energy ad is highly efficient to work with.

3. Heating Element

The heater with maximum output consumes a higher amount of electricity as well as efficiency. At the same time, it also heats the water present inside the coolest. Most of the Rinnai Tankless Water Heaters come with convertible heating options. This allows the user to change the heating output according to the climatic conditions.

Naturally, the output is set at 120 degrees Fahrenheit which is good to use at any decent temperature. But when it comes to changing the BTU unit, the manufacturer gives a big option. The Rinnai Tankless Water Heaters offer high BTU ratings from 150000 to 199000 for most of the products. The output is raised at a highest of 140 degrees Fahrenheit.

4. Energy Efficient

It is always important to have energy-efficient products. So you can always trust the brand for low power consumption and more utilization of the products. When it comes to the Rinnai Tankless Water Heaters, there can be two major divisions according to the types of models available. They are the high-efficiency models and the super high-efficiency models.

The heaters are generally energy start rated which gives the best output in terms of consumption and efficiency. Most of the models have decent energy star ratings which prove to consume not more than the 4000 BTU per gallon of water. The UEF range lies within 0.81 to 0.97.

5. Place of Usage

Now the installation is where you may have to figure out the place of use when you need it for the indoor or the outdoor requirements. It is a big mistake that most people make which may affect the maintenance of the product. Some people may install the outdoor models inside the bathroom and the indoor models outside which makes it a bit difficult for you to maintain the product.

If you are choosing a gas-based model for your indoor requirements, make sure that you have CO2 and NOx ventilation. This will make the product great to use. You may have to monitor the outdoor unit to prevent freezing in the cold weather. 

6. Installation Costs

Installation is another feature that you may have to keep in mind when it comes to installing the Rinnai Tankless Water Heaters. Usually, most of the products come with pre-assembled parts which make it easi2er for anyone to install it.

However, when it comes to installing the product, you may have to make sure that there are two pipes including the cold water inlet and the hot water outlet already placed in the bathroom.

After this, the only thing left is to mount the heater in its position. So, the current price range for installing the Rinnai Tankless Water Heater is around $ 100. If you need extra piping, you may have to pay around $10 for every foot. 

7. Maintenance Cost

If you want to keep your tankless water heater active and working for many years, you may have to start maintenance of the product. Any gas-based unit will almost cost you around $200 per year which includes the gas refilling. Here, the maintenance cost for the electric-based heaters is just lower because there is nothing much to refill.

The price difference of Natural Gas heater and Propane gas heater is another ideal thing for you to consider. The average yearly cost for the Propane gas models is just around $350 per year! Propane gas units may also consume a higher amount of BTU as compared with the natural gas units available.

8. Safety Features

When you choose a new Rinnai Tankless Water Heater, safety shall always be a priority concern for you to consider. The safety also includes both odor and ventilation. Most of the gas-based models do emit a low amount of CO2 and NOx gasses present. So you may have to properly ventilate the top of the gas and make sure it is safe.

The next important thing is the gas leak. Make sure that all the pipes are connected well so that there is no gas leak. Another feature is the shut down option along with water leaks, pipe overflows as well as other safety measurements. All the Rinnai Tankless Water Heaters abide by the national and federal guidelines which make the product to be precise and helpful.

9. Warranty

While you are about to choose any product, having a proper warranty ensures that you can always get proper spare parts available in the market. The manufacturer also ensures that you can get proper repairs for your product when you are facing any problems within a stipulated time. Having a higher warranty means that you can always get a reliable brand and service.

The Rinnai Tankless Water Heaters come with a minimum of 5 years of warranty which may extend till 12 years depending on the models available. If you buy the Rinnai heats from an approved vendor, you can always get a genuine warranty card from the manufacturer which will help you to get the warranty services.

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions

Unique Features of the Rinnai Tankless Water Heaters

When you buy the best Rinnai Tankless Water Heaters, you can always have a few advantages over most of the other models available in the market. There are some features that you can specifically receive your heater which helps you to always operate the heater better. You can check the list below to know more about the features present below:

1. Cric Logic

The Cric Logic is a redefined program launched by the manufacturer which helps you a lot to use the products. It is a return line installed within the heater. This helps to pump out the water back through the heater. So it reduces the time for heating the water that is going to flow down. The Cric-Logic is a great initiative for your use.

2. ThermaCric360

The ThermaCric360 or thermal bypass technology is another great option for you to choose from. This is a unique system that can easily bypass the valve in terms of the hot water. This will allow the hot water to appear faster through the faucet and in no time at all. This feature is present on the super-efficient systems which allow the heater to recirculation of the colt water line. 

3. Wireless Module

Rinnai has introduced a new technology for the modern era. It is available in most of the heater models that have been launched on or after 2006. The wireless module is a smart home technology that allows you to easily connect with your mobile devices from your home. So, once you connect with the devices, you can easily control the heater from anywhere.

4. Motion Sensor

Now the option of having a Motion Sensor is unique from all the options available. You can use an external accessory to configure with the Motion Sensor and easily get connected with your needs. You can easily install the wireless push button within the heater to get the best results. Try to opt for a faucet as well as sink line to get connected and joined with the water flow.

5. Temperature lock

The Temperature lock function is another exciting feature that you can opt for when it comes to choosing a proper Rinnai model. When you activate the Temperature lock option, you can easily set the water heat settings on a particular temperature. This helps the user from any type of accidental overriding. It also acts like a child lock button to prevent any unwanted change in the settings.

6. Dual Heat Exchangers

The Rinnai has some exchanger designs which help to supply hot water within minutes. Since the products feature a stainless steel anode and cathode rods, they ensure fast heating options. The job role of the dual heat exchangers in the Rinnai Tankless Water Heaters means that the heating rate is faster. This also allows the heater to conserve energy while heating the water faster.

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions

Rinnai Water Heater Installation

When it comes to the Rinnai Water Heater installation, certain things need to be done. So if you are not a professional in this, you must get it done by one. This is because there are certain precautions that you may have to take measure.

However, if this is the first water heater that you are getting done for your home, you can consult a plumber. You may have to make a cold water inlet pipe and hot water outlet pipe connected to the faucet done before the installation. This is because the heater only works based on the inlet and outlet pipes.

However, if you want to get all the things done by yourself, the 1-year labor warranty will be void. In such a case, you may face a lot of problems if you have manufacturing defects. So always try to get it done with the help of a professional from the manufacturer.

Maintenance

The maintenance procedure for any Rinnai Water Heater is easy and this is the reason why most people do by themselves. However, before you start to maintain the product, you can check with the vendor if the maintenance is a part of the sale contract.

However, if it is not, you can perform some easy steps to keep the water heater working perfectly. The first thing to do is to check for the in-line filter. Make sure that it is completely clean and there is no debris being formed with the filter.

Now you need to flush off the system to prevent any type of limescale formation. This keeps the Rinnai Water Heater completely clean and ready for use.

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions

Frequently Asked Questions [FAQs]

Q1. Is there any Pilot Light presence?

A1. Well almost everyone will like to have a pilot light indication on their heater. But it is not the same for Rinnai. There is no pilot light present on the tankless water heaters. In fact, they can be operated with electronic ignition.

Q2. What is the cost of Rinnai Tankless Water Heater Installation?

A2. The installation cost of the Rinnai Tankless Water Heater is slightly on the higher side. It also depends on the amount of pipe used for the installation. Roughly, you can expect around $1500 to $2000 installed for the whole house installation.

Q3. What is the Temperature for Rinnai Tankless Water Heater?

A3. The ideal temperature is basically set for a 120 degrees Fahrenheit. You can always opt for a decent temperature according to the climatic conditions. If you are taking a shower on the chilly nights, you can opt for a higher temperature as well.

Q4. Can you adjust the temperature in a Rinnai Tankless Water Heater?

A4. You can always adjust the temperature in the Rinnai Tankless Water Heater. There are two basic procedures for doing so. The first one is to adjust the thermostat knob present around the heater. The next way is to use the Control-R WiFi module with the help of the Rinnai application. You can easily adjust it through the settings.

Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
  • INDOOR installation only. Fuel Type: NATURAL GAS.
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
  • Ultra low NOx emissions

Conclusion

Choosing the Rinnai Water Heater for your home or regular use is never a tough task when it comes to buying one. But with so many products always available in the market today, you may need some time to sort out the best ones. We have prepared the list of the Top 7 Rinnai Tankless Water Heater Reviews available in the market today.

You can also have a look at the detailed reviews for each of the products which will help you out to find the best product. For more information, you can visit the official website of Rinnai and find out the details of the product that you are looking for.

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