Best Tankless Water Heater Consumer Ratings & Reports 2023


Are you worried about managing a water heater for your small laundry?

Or is it the hot water capacity that makes you indecisive?

A tankless water heater is not only going to fit in your small space but also offers an uninterrupted hot water flow.

This makes it the most useful and beneficial for small house owners as well.


Tankless Water Heater Consumer Ratings & Reports

Join me to know about the seven best tankless water heaters for your home. Check the top rated tankless water heaters in detail.

1. Takagi T-H3-DV-N Indoor Tankless Water Heater

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Takagi Indoor Tankless Water Heater is an ideal buy for all your residential and commercial needs.

It exhibits a sleek and stylish design that tempts the buyer at first glance. The ease of installation that this product offers is commendable in all terms. It is powered by natural gas and promises ultra-low NOx emissions.

Buyers are also attracted to this product for its ability to conserve energy. Besides that, It is matchless when it comes to its safety and durability.

It comes with a commercial-grade copper alloy heat changer and features overheat, surge and freeze protections. The troubleshooting diagnostic codes are further there for your comfort and convenience.

Another noteworthy quality of this water heater is the absence of a pilot light. This, in turn, keeps you miles away from the worry of leaving it on all the time.

Are you still reluctant? Simply consider its feature of on-demand usage, you will give it a buy instantly.

Note: It is sufficient to supply hot water to 4 bathrooms in warmer climates and 3 bathrooms on colder days.

What We Like!
  • On-demand usage
  • Safety ensured
  • Durable
  • Low NOx emissions
  • Powered by natural gas
  • Pilot light is absent
Things to Consider!
  • Features a noisy operation

2. Camplux Electric Tankless Water Heater

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The pain of running out of hot water is excruciating for sure. The only escape to it is Camplux TE11 Tankless Water Heater.

This smart device ensures your comfort and convenience in all possible ways. It comes with a smart remote controller and features a touch-controlled digital display.

The sleek and stylish design of this appliance is its distinctive feature. It is thoughtfully designed to supply hot water instantly and consistently without occupying too much space.

You can even install it under your sink to get water ranging from a temperature of 86 to 125 °F. It is equally ideal for your kitchen, office, school, and hospital needs.

It exhibits an easy installation. Connect it to a 60A connection using 2 poles circuit breaker, and you are good to go. It’s multi-angled mounting further facilitates the entire process.

Unlike other Tankless Water heaters, it supplies lead-free water. The leakage and overheat protection further gives it its durability.

It is crafted out of stainless steel material and consumes only 11KW of energy.

Altogether, it is a must-buy for those who want to enjoy the perks of having an endless and instant supply of hot water.

Buy it now and relieve yourself from the fear of using cold water on chilly winter days.

What We Like!
  • NFS approved and ETL certified
  • Digital Display and touch control
  • Temperature range of 86 to 125 °F
  • Instant and endless supply
  • Remote controller provided
  • Multi-angled mounting
Things to Consider!
  • Operates on 240V only

3. Rheem Performance Natural Gas   Indoor Tankless Water Heater

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An indoor instant water heater is a quintessential for almost all households. If you are also looking for such a product, the Rheem Platinum 9.5GPM water heater is undoubtedly the best.

It works well with your existing 2 to 3 inches PVC pipes and is relatively easy to install.

The presence of electric controls ensure safety and intensify the user control offered by this splendid product. These controls also prevent the water from reaching unbearably high temperatures and add to the overall user experience.

It is comparatively small in size, which means that it never occupies too much space.

It also satisfies your safety requirements by limiting the production of fumes and propane emissions.

Precisely, this water heater is a blessing for all small and large households. Invest in it and have access to hot water all the time.

Note: Direct PVC venting is necessary to install this appliance.

What We Like!
  • It is Small in size
  • On-demand water supply
  • Electric controls
  • Compatible with the existing PVC pipes of 2 to 3 inches
  • Conserves energy
  • Limits fumes and propane emissions
Things to Consider!
  • Venting is sometimes a tedious task

4. Rinnai RL Series HE+ Tankless Hot Water Heater

Are you a workaholic who loves handling several household tasks at a time? Is there anything that limits your productivity? Wait! What? Did you say ‘limited hot water supply’? Let us help you say bye to this hindrance. Rinnai RL Series tankless water heaters are specially designed to fulfill all your hot water needs at once.

These smart water heaters are powered by gas and are known for their exceptional abilities to save energy, water, and space. The Wi-Fi connectivity further tempts the buyers and gives them greater control over this useful appliance.

So, are you still wasting water while waiting for hot water to reach the tap? Get your hands on these superb water heaters right now. These can easily be installed at any unconventional spots at your place. These are only as small as an ordinary suitcase and can incredibly cut CO2 emissions.

If that isn’t enough, most of these are equipped with another interesting feature of voice control. So, whether you want to turn it on or customize its temperature, speak it up, it will handle the rest on its own.

What We Like!
  • Easy installs at unconventional spots
  • WiFi connectivity is provided
  • Warms 7.5-gallons in a minute
  • May operate at 120 volts only
Things to Consider!
  • Not recommended for people looking for electrical water heaters

5. EcoSmart ECO 27 Electric Tankless Water Heater

Are you tired of facing the hassle of running out of hot water every then and now? Do you want to escape from this annoying issue forever? If yes, then EcoSmart ECO 27 electric tankless water heater is all that you need.

Basically, it possesses a digital temperature control system that complements its self-modulating technology. It means that this unit can automatically assess how much energy is needed to warm a particular amount of water. This feature multiplies its usability and gives it a competitive edge in the market.

It also makes this unit able to save almost 50% of your water heating cost and lets you have on-demand access to hot water all the time.

People also prefer this appliance for its tremendously compact wall-mounted design. It renders it to take much less space as compared to conventional water heaters.

To your surprise, this water heating unit can easily last a lifetime and that too, without weighing too heavy on your pocket.

Have you already made up your mind to invest in this ideal water heating unit? Please have a look at its features, too; you will certainly be proud of your decision.

What We Like!
  • Heats up to 3 gallons of water at 45 °F
  • Takes much less space and weighs 11lbs only
  • Energy Efficient
  • Ideal for households with a high demand for hot water
Things to Consider!
  • The installation cost is slightly high

6. EcoSmart ECO 11 Electric Tankless Water Heater

Who does not need a water heating system at home? Who does not want to have an unlimited supply of hot water all the time? But is it even possible? Yes, it is! This ECO 11 Electric Tankless Water Heater is exclusively designed to aid this purpose.

It can easily heat 2-gallons of water per minute, even at a water temperature of 67 °F. Besides that, its self-modulating technology gives it an unbelievable energy efficiency of 99.8%. The digital temperature control system’s presence further allows you to set your temperature preference from 67 °F to 105 °F.

The compact size and wall-mounted design further make this unit unparalleled in all terms. It is relatively light in weight and requires 13kW at 220 volts to work at its best.

All in all, this water heating unit is one of the most economical and durable products that you may need to invest in. Let us take you through its numerous advantages once again. It will make it easier for you to grab this product without any confusion or hesitation.

What We Like!
  • Endless hot water supply
  • Heats 2-gallons of water per minute at 67 °F
  • An energy-efficient water heating unit
  • Weighs 6.5lbs only
Things to Consider!
  • Installation requires a minimum of 125 amp electrical panel

7. Rinnai V94iN High-Efficiency Tankless Hot Water

Living in an icy part of the world itself is a great challenge. The cruelty of the weather gets even worse when you have a limited supply of hot water. If you are experiencing any such difficulty, you must invest in Rinnai V94iN Tankless Water Heater immediately.

This product not only values your hard-earned money but also promises to supply an endless amount of hot water when needed. It is powered by natural gas, but it consumes 40% less energy than conventional gas water heaters.

Facts unveil that this water heating unit can warm 5.2-gallons of water per minute. Also, you may remotely control it by using its mobile application.

It is an ideal buy for small to medium-sized families as the unit can supply hot water to 6 fixtures at a time.

So, what are you waiting for? Invest in this one in a billion kind of a product and bring ease and comfort to your life.

Are you still thinking? Well, let us help you get rid of all the ifs, whys, and buts that are currently disturbing you.

Have a look at its features and decide right away.

What We Like!
  • Easy to install
  • Offers Wi-Fi connectivity
  • Allows remote access
  • The water flow of 5.2GPM
  • Highly efficient and well known for its durability
Things to Consider!
  • It is suitable for small to medium-sized households only

8. Stiebel Eltron Tankless Water Heater

Are you feeling annoyed today? Do you have lots and lots of work to do at home? Is it too cold to bear today? Do you have enough warm water to get done with dishes, laundry, mopping, and bathing? If these questions disturb you daily, then you really need to get your hands on Stiebel Eltron Tankless water heater.

This electrically powered on-demand water heater silently operates to provide you with an endless hot water supply. It requires a minimum of 0.77 GPM of water flow to activate. This multiplies to a water flow of 7.5 GPM at or above 72 °F.

It consumes a minimum of 300 Amperes only. It is basically designed to use 15-20% less energy in comparison to conventional water heating systems. Also, it is about the size of a briefcase and needs no venting to get installed.

The output water temperature ranges from 84 °F to 140 °F. This is made possible by the solid copper chambers that instantly warms the water and lets you stay free from the worry of running out of it.

Invest in this heating system and enjoy some quality time with your family when it is unbearably cold outside.

What We Like!
  • Electrically operated
  • Saves time, space, and energy
  • Noise-free operation
  • Endless on-demand hot water supply
Things to Consider!
  • Operates on 240 volts

9. Rinnai V Series HE Tankless Hot Water Heater

Outdoor water heating systems are still in vogue and are preferred by individuals who prefer efficiency and comfort. Rinnai V Series HE Tankless hot water heater is counted among the most trusted options in the market.

It supplies hot water to five fixtures at a time and that too without making you wait for hours. It operates over a wide range of groundwater temperatures but works the best at 77 °F. The maximum output water flow of this unit is 5.7 GPM. It is quite sufficient to cater to the hot water needs of your entire home.

Besides that, the thoughtful design and hassle-free operation further combine comfort with its efficiency. WiFi connectivity and remote access are the other two notable features that no one wants to miss out on. So, go, grab you to make your life easier and better.

What We Like!
  • Operates at 120 volts
  • Offers remote access and Wi-Fi connectivity
  • Supports Digital temperature display
  • Warms water instantly
Things to Consider!
  • Operates outdoor by using propane gas only

10. Rinnai RUC98iN Ultra Series Tankless Water Heater

Are you in search of a heating system that saves space and time? Do you prefer a gas-operated unit that conserves energy? Well, Rinnai RUC98iN is here to put an end to your search.

It offers an incredible flow rate of 9.8GPM and that too by providing 95% thermal efficiency. It operates over a wide range of temperatures and is ideal for both; residential and commercial use.

All you have to do is install this unit indoors, and it will never let you run out of hot water. It is also environmentally friendly as it has ultra-low NOx emissions.

Another significant point here is that this unit can be installed with either concentric or PVC venting.

All in all, this is a great choice for those who want to bid farewell to ‘no hot-water days.’

Still confused? No worries, go through the numerous features of this product once again. You will be convinced to make it a part of your living.

What We Like!
  • Operates on natural and propane gas
  • Ultra-low NOx emissions
  • Ideal for indoor usage
  • Suitable for residential and commercial use
Things to Consider!
  • The commercial controller needs to be purchased separately

Buying Guide |Tankless Water Heater

How to choose the best Tankless Water heater?

A Tankless water heater is now blindly counted as a necessity of life. It becomes essential when you are a resident of a country with unbearably cold weather. However, given its cost, one must carefully pick and choose the product to invest in. Several factors must be taken into consideration. Let’s have a look at them.

Type of Usage

Be mindful of the type of usage that you are buying this tankless water heater for. There are separate features and prerequisites for residential and commercial usage. Do not forget to pay special attention to it.

Power Supply

Currently, our markets are stuffed up with a huge variety of tankless water heaters. However, each one of them operates either on natural gas, propane, or electricity. The good idea is to make this selection based on your personal preferences. Electrical ones are somehow more popular than others, but the efficiency and functionality are independent of the type of energy needed.

Power Requirements

Variety is a blessing, but it turns out to be a disguise sometimes. Each of the numerous models and brands has distinct voltage and current requirements. Therefore, one must choose the unit that conforms to the voltage and current availability in the area where it will be installed. Otherwise, you will face a hard time using it, and it will also kill the purpose of its creation.

Prerequisites of Installation

Vent-free installation is an ideal choice for those who wish to have a hassle-free installation. On the other hand, with certain models and brands, it is impossible to avoid venting. Therefore, this is somehow based on your preference, choice, and affordability. A good idea is to ask for a particular unit’s installation requirements before making up your mind on giving it a buy. Another factor here is to consider if the unit is suitable for indoor or outdoor use. There again, your preference interferes with letting you select the best possible option.

Temperature Range

This selection has a lot to do with the temperature of the area of your residence. People living in icy regions of the world must choose a water heating unit that can work under extreme temperatures. Otherwise, there is no advantage to making this lifetime investment.

Water Flow Requirements

The output water flow of a water heating unit, in turn, determines its suitability to the size of your household. Not all water heaters are designed for all types of residential and commercial purposes. Also, minimum and maximum output water flow capacities must be considered at the specified compatible temperature range. This will let you invest in a worthy product.

Number of Franchises

This factor is directly linked to the output water flow of the unit. In other words, a unit with a low output water flow rate at a low temperature will supply hot water to a lesser number of franchises at a time and vice-versa. So, the good idea is to think about it while spending your hard-earned money on any available products.

A sensible consideration of all these factors can immensely help you in making a wise choice. It will also help you have a better assessment of your distinct needs and preferences.

Final Verdict

This article shows a carefully chosen list of products that rightly conform to an individual’s standard needs and requirements. These are highly able to stand the test of time and are highly trusted in their performance and efficiency.
Choose either of these Tankless Water heating units, and they will prove to be the best tankless water heaters you have ever seen. Believe it or try it yourself, you will be convinced to give them a thumbs up.


FAQ’s about Tankless Water Heaters

What is the best tankless water heater in 2023?

Here is a list according to our analysis;

  1. Rheem Performance Natural Gas Indoor Tankless Water Heater
  2. Rinnai RL Series HE+ Tankless Hot Water Heater
  3. EcoSmart ECO 27 Electric Tankless Water Heater
  4. EcoSmart ECO 11 Electric Tankless Water Heater
  5. Rinnai V94iN High-Efficiency Tankless Hot Water

Is a tankless water heater a lifetime investment?

Most of the options available in the market come with a lifetime warranty. However, mechanical and accidental damages and shortcomings are not covered in those warranties. That also depends on how carefully and sensibly you use a particular unit to satisfy your needs. Generally, all Tankless water heating units are durable enough to last a decade, at least.

Is this water heater ideal for supplying water to three fixtures simultaneously?

This depends on the minimum output water flow rate of your unit at its minimum temperature requirement. If you have carefully chosen a unit by sensibly considering your requirements, it will surely satisfy your needs.

Is it easy to install?

The definition of ease varies from one individual to another. Some find it easier to install these units indoors while others are in favor of outdoor installation. Similarly, some prefer venting, while others try to avoid it. Therefore, a good idea is to know the prerequisites of installing a particular unit before making it a part of your life.

Is this unit ideal for commercial use only?

Manufacturers clearly specify if the unit is designed for residential, commercial, or for both. Carefully read through the instructions provided or consult the seller or the salesman when buying. You may search online to find out if a particular brand model is suited to which type of usage.

Will it endlessly supply hot water?

All tankless water heaters are designed to ensure an endless hot water supply for as long as their minimum temperature, voltage, and current requirements are successfully met.

Will it store water for some time?

Tankless water heating units cater to the on-demand supply of hot water only.

How much energy will it consume?

This particular aspect varies from model to model and brand to brand. It also varies according to the type of power supply needed by the unit you plan to invest in. Be mindful of these aspects and opt for the best option.

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David Sullivan

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