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You are here: Home / Home & Garden / Toilets / 6 Best Tankless Toilets 2023 – (Top Rated Reviews & Buying Guide)
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6 Best Tankless Toilets 2023 – (Top Rated Reviews & Buying Guide)

By Paul Hickman | Last Updated September 22, 2022

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Contrary to popular belief, you don’t have to settle for a plain old toilet in your bathroom. Have you ever wanted to get something a bit more compact and modern looking? Picture walking into your bathroom at home and being greeted with a magnificent tankless toilet fixture that looks more like a work of art than a waste collector you have to clean all the time.

Sounds good, doesn’t it?

Tankless toilets are a great alternative to standard residential commodes. They offer a unique flair and all the bells and whistles you could ever want. Plus, the best tankless toilet comes with a ton of great benefits that could change the way you do your business. We’ll get into that a bit later.

If you’re interested in making the jump to the tankless side, check out our list of toilets below. We’ve chosen some of the best on the market. Below, you’ll also find an in-depth guide filled with useful information that you can use to make a purchase you’re comfortable with.

Comparing the Top 6 Best Tankless Toilets of 2023

Best Tankless ToiletsWeightWater ConsumptionMaterialShapeDimensionsPrice
Toto Neorest 700H120 lbs1 GPFCeramic w/ SanaGlossOval32.5 x 15.5 x 21.5″Check Price
TOTO Neorest 550H86 lbs1 GPFChinaElongated27.8 x 15.3 x 21.5″Check Price
KOHLER K-6299-053.5 lbs1.6 GPFCeramicElongated21 x 15.1 x 13.9″Check Price
Saniflo 02367 lbs1.6 GPFPorcelainElongated18.2 x 14.5 x 15.8″Check Price
TOTO Neorest 55023 lbs1 GPFCeramicElongated26.5 x 15.3 x 21.4″Check Price
Bio Bidet IB83540 lbs1.6 GPFVitreous China BidetsElongated27.7 x 15.8 x 21.1"Check Price

Best Tankless Toilets Reviews (Recommended Picks)

1. Toto Neorest 700H Dual Flush Tankless Toilet

SaleBestseller No. 1
Toto MS992CUMFG#01 Neorest Bathroom-Hardware, Cotton White
Toto MS992CUMFG#01 Neorest Bathroom-Hardware, Cotton White
  • Water consumption: 1.0 gallons_per_flush
Buy on Amazon

Toto is one of the leading brands in the toilet and washlet world. The Neorest was purpose-built to provide you with a luxurious bathroom experience every single day.

Technology:

When it’s closed, this toilet looks like a simple pod. However, there’s a lot of advanced technology hiding under the lid. The entire unit is powered by an intuitive remote control. There are also sensors to perform automatic functions, such as opening the lid and flushing.

Advanced comfort features like an integrated washlet, heated seat, sanitization system, and more give you something new to try every day.

Performance:

While it may not have a large water tank, that doesn’t mean that this tankless toilet is inefficient. The pressure-assisted flush does a good job of making any waste disappear. Plus, the toilet has a cyclone flush system, which is a nice touch to have. In total, the toilet only uses 1 gallon for a full flush and 0.8 gallons for a half one, covering all your water conservation bases.

Specs:

  • Floor-mount toilet
  • Built-in washlet
  • Automatic flushing system
  • Glazed finish
  • Electrolyzed water sanitization feature
  • Comes with user-friendly remote
  • Uses 1 gallon for a full flush
Pros
  • Powerful tornado flush
  • Heated seat
  • Deodorizer and air dryer
  • Multiple washlet cleaning modes
  • Sleek and futuristic design
Cons
  • Seat sensor tends to go off randomly sometimes
  • Higher price tag

Final Verdict:

The Neorest toilet is the cream of the crop when it comes to luxury tankless toilets. The feature-rich fixture has everything you could possibly need and more.

2. TOTO Neorest 550H with Ewater+ Disinfection System

No products found.

Also from Toto is the tankless toilet/bidet combo. It belongs to the same Neorest family as the previous toilet. However, this model is a bit simpler. If that’s not a deal-breaker for you, there are still plenty of great systems to take advantage of.

Technology:

On the technology front, this toilet is sporting an automatic flushing system and lid. Just walk up to the toilet and it will prepare itself for use. That includes applying a light mist to the bowl. It works with the SanaGloss treatment to prevent waste from sticking. There’s also a sanitization system, which uses electrolyzed water to get rid of bacteria.

Performance:

In terms of flushing, this toilet doesn’t disappoint. The cyclone flushing system covers the entire bowl for ultimate clean. Yet, it only uses a single gallon of water per flush.

Specs:

  • Floor-mount toilet
  • Built-in washlet
  • Automatic flush and seat
  • Premist and sanitization features
  • Comes with powerful remote
  • Uses 1 gallon for a full flush
Pros
  • Cyclone jet flush
  • Selectable wash patterns
  • SanaGloss glaze
  • Skirted design
  • Elongated bowl
Cons
  • Installation can be a bit complicated
  • Doesn’t have as many comfort features as the other Neorest model

Final Verdict:

While it might not be as high-tech as the previous model we recommended, it’s certainly still a cut above the rest. Thanks to its lower price tag, you can experience the very best that Toto has to offer without breaking the bank.

3. KOHLER K-6299-0 Veil Wall-Hung Elongated Toilet Bowl

Sale
KOHLER K-6299-0 Veil Wall-Hung Elongated Toilet Bowl, White
KOHLER K-6299-0 Veil Wall-Hung Elongated Toilet Bowl, White
  • One-piece wall-hung toilet
Buy on Amazon

Kohler is no stranger to innovative designs. The Veil toilet is a perfect example of why this brand has such a good reputation. It’s a wall-hung unit that offers a sleek look to any space.

Technology:

As a wall-mounted system, this toilet is very advanced. It requires a robust steel mounting frame and a low-profile wall plumbing system. These components are hidden discretely behind the wall once the installation process is finished. The only complaint we have is that all of those necessary extras must be purchased separately.

Performance:

The toilet does a decent job when it comes to flush power. Unlike other wall-mounted units, this fixture does not use a traditional pressure system. Instead, it uses gravity like a standard toilet. Even still, it’s pretty efficient and uses only 1.6 gallons of water.

Specs:

  • Wall-mount toilet
  • Elongated bowl
  • Flexible height placement
  • Only 21 inches long
  • Comes with powerful remote
Pros
  • Dual-flush system
  • Easy to clean
  • Uses 1.6 gallons for a full flush and 0.8 gallons for a half flush
  • Works with wall-mounted flushing actuator
Cons
  • Requires additional equipment
  • Low water line
  • Difficult installation

Final Verdict:

All in all, this is a unique tankless option. All of the magic is out of the way, allowing you to reclaim some space and add a sophisticated touch to your bathroom.

4. Saniflo 023 Sanicompact 48 One-piece Toilet with Macerator

SANIFLO Sanicompact - Dual-flush System - Residential
SANIFLO Sanicompact - Dual-flush System - Residential
  • BONUS HALF BATH: The Sanicompact is a self-contained dual-flush toilet system used to install a half bathroom up to 9 feet below the sewer line, or even up to 120 feet...
Buy on Amazon

The Saniflo Sanicompact toilet is designed for bathrooms that can’t rely on traditional plumbing. It’s often the go-to choice for homeowners looking to add a bathroom to a basement, workshop, or cabin where gravity can’t be used to deliver waste to the sewage line.

Technology:

The cool thing about this toilet is that is has a built-in maceration unit. When you flush, two things happen. Not only does water rush in, but the waste is pumped through the maceration unit and turned into sludge. Then, the waste is pumped out to your nearest septic tank or sewer.

Performance:

Thanks to that powerful maceration, you won’t have any problems with performance. The toilet grinds up waste quickly and efficiently, ensuring that you have a clog-free experience. Just take some extra precautions when toilet paper down.

Specs:

  • Macerating toilet
  • Low-profile and simple design
  • Built-in pump moves waste vertically
  • Single-flush system
  • Uses 1 gallon for each flush
Pros
  • Can be used in basements and remote bathrooms
  • Relatively easy to clean
  • Chrome actuator and seat hinges
Cons
  • Detailed installation process
  • Taller seat height

Final Verdict:

The Sanicompact is an impressive feat of toilet engineering. It’s unlike other tankless units on the market and serves a very specific purpose. Give it a shot if it matches your needs.

5. TOTO Neorest 550 Dual Flush One Piece Toilet

No products found.

Here’s another addition to the Toto lineup. Like many other Toto models, this unit has an integrated washlet for convenience. It even has a few cleaning patterns to customize the user experience.

Technology:

There are a few pieces of technology worth mentioning. The first is the remote, which can control everything from the colored nightlight to the flush. The second great tech feature is the washlet bidet system. It offers three cleaning modes and an adjustable temperature system.

Performance:

This Neorest toilet model does a decent job of flushing. It uses 1.6 gallons for a full flush. The flush is not as efficient as some other options. However, it still beats paying for a high water bill caused by a traditional toilet.

Specs:

  • Floor-mounted toilet
  • Elongated bowl
  • Dual-flush functionality
  • Built-in washlet
Pros
  • Uses 1.6 gallons for a full flush
  • Hands-free seat and flush
  • Easy to clean
  • Modern skirted design
  • Programmable light
Cons
  • Sensors can be a bit sensitive to light movements
  • May require a change in plumbing for installation

Final Verdict:

Don’t hesitate to check out everything this toilet has to offer. The simple features can be intimidating are a nice introduction to washlets and everything they can do for you.

6. Bio Bidet IB835 Fully Integrated Bidet Toilet System

Bio Bidet IB835 Fully Integrated Bidet Toilet System, White
Bio Bidet IB835 Fully Integrated Bidet Toilet System, White
  • All IN ONE DESIGN complete bidet seat and toilet in one package, Enjoy luxury like never before in a compact and refined design
Buy on Amazon

BioBidet is a newer player in the toilet game. However, that hasn’t stopped the company from creating some impressive fixtures. This tankless toilet is boasting a full bidet, automatic sensors, and plenty of flexibility with its operation.

Technology:

The bidet system is where this toilet shines. There is a front and rear washing wand, making it effective for everyone in the family. The cleaning experience can be fully customized to your needs. The robust temperature controls, multiple massage patterns, and position adjustments make it easy to get a good clean.

Performance:

The biggest complaint that this toilet has is its flushing performance. Generally, it does an alright job. It uses 1.6 gallons to get rid of waste. While that should be enough, sometimes it takes a couple of flushes to clean the bowl out.

Specs:

  • Floor-mounted toilet
  • Elongated bowl
  • Dual-flush functionality
  • Feature-rich bidet with front and rear wands
Pros
  • Automatic lid and flush
  • Massage and bubble cleaning modes
  • Deodorizer and dryer
  • Simple design for easy cleaning
  • Remote control is easy to use
  • Uses 1.6 gallons per flush
Cons
  • Weaker flush than alternatives
  • Complicated setup process

Final Verdict:

The BioBidet toilet is worth looking into. The versatile bidet system alone is well worth the investment.

A Comprehensive Buying Guide on Tankless Toilets

Tankless toilets are a rare sight in homes. Typically, they’re reserved for commercial buildings. We’ll get into why later on this guide.

While they might not be as widely used as traditional fixtures, that doesn’t mean that you can’t install them in your bathroom to create a modern oasis. The key is to understand how they work and what features you need.

What Are the Key Benefits of Investing in a Tankless Toilet?

best tankless toilets

Compact Size

One of these toilets is the best way to make extra room in a cramped bathroom. Unlike traditional fixtures, there’s no bulky tank to worry about. Larger water tanks can be upwards of 18 inches wide. Depending on the design of the commode, tanks can be around 10 inches thick.

Think about how your bathroom would be transformed without that wasted space against your wall. When you install a tankless toilet, all you have to worry about is the bowl.

Bowl lengths can vary quite a bit based on design. Typically, they are between 25 and 30 inches long. You can easily find a model on the lower end of the spectrum to save space. Alternatively, you can invest in an elongated bowl and only take up the space of a traditional round toilet. It’s a win-win either way!

Read more: What are the 6 best compact toilets for small bathrooms?

Water Conservation

tankless toilet working mechanism

 

Earlier, we mentioned that tankless toilets are the preferred choice for commercial buildings. Well, the reason for that is the way these commodes are connected. They utilize a direct connection to the water supply line to create the flush, hence the absence of a large storage tank.

Since there’s no water tank to fill, these toilets go above and beyond when it comes to water conservation. In fact, they offer much greater control over your water usage than even dual-flush commodes.

That’s because they use a metered amount of water. The flushometer, the primary diverter valve for tankless toilets, can do a lot more with less. The water usage is predetermined. With some toilets, you may even be able to adjust the amount of water used.

Whatever the case may be, you’d be hard-pressed to find a tankless unit that uses more than the federal standard of 1.6 gallons per flush. Most of the top-rated toilets on the market use even less.

Strong Flushing Power

Going along with the previous benefit, tankless toilets are known to produce significantly more powerful flushes than your average residential fixture. All while using about the same amount of water.

Let me explain…

Tankless toilets rely on pressure to create a flush. Water is delivered at about 20 PSI of pressure. That’s far more than the pressure created with a simple gravity-fed flush. It’s the pressure that’s creating a loud sound when you flush a public toilet.

Tankless toilets for the home operate the same way. The increased pressure benefits you in a couple of ways. First, the water physically blasts away waste and debris. It makes quick work of stubborn mess that sticks to the side of the bowl.

Secondly, the sheer volume and speed of the water can help to keep the fixture clog-free. Waste and water can get over the trap quickly. On top of all that, there’s no waiting time! Tankless toilets are ready for another flush in seconds.

Easy Maintenance

Generally speaking, tankless toilets are easier to maintain thanks to the way they are installed. The installation process is a bit more involved than standard commodes, which we’ll touch upon shortly.

Once you have everything connected, anchored down, and in place, there’s not a whole lot that you have to do, aside from your normal cleaning duties of course. With a traditional two-piece toilet, there are several parts that can give out. That’s not the case with a tankless option. These toilets are built to last.

Modern Aesthetics

best looking tankless toilets

When it comes to aesthetic appeal, nothing beats a tankless toilet in the bathroom. Everyone is used to seeing traditional toilets with cumbersome tanks that take up way too much room.

A tankless unit has a much smaller footprint and a simple stool-like design.

All of the major components are hidden behind a wall or underneath the floor. This creates a seamless and modern appearance.

Did we mention that you can also get a wall-hung tankless toilet?

That’s right, you can have a toilet that seemingly floats on the wall!

If that doesn’t impress guests and create a luxurious vibe for your washroom, nothing will.

Some of the Disadvantages

Like everything in life, tankless toilets aren’t perfect. They’re a great investment that can majorly improve your bathroom. But, these fixtures are not without their caveats. Here are the biggest disadvantages that you need to consider.

Can Be Difficult to Repair

While your shiny new tankless toilet may be easy to take care of, major repair jobs are another story. As we went over earlier, many of the components are hidden. Once you install the toilet, you won’t have access to the plumbing or flushing mechanism.

Also, these fixtures are far more complex than traditional units. If you don’t understand every aspect of your toilet, it’s best to leave the repair jobs to the professionals. Depending on how severe the damage is, repairs could involve removing wall coverings, which will cost you a pretty penny.

Higher Installation Costs

Installation can also be a big headache. These toilets have unique plumbing requirements. In fact, most homes aren’t equipped for them. So, you may be faced with some extensive renovations if you want to get one of these units installed.

Commercial buildings already have large pipes and ample water pressure for proper operation. The same can’t be said for homes. Most tankless toilets need 1-inch water supply lines instead of the standard half-inch in residential builds.

Plus, there’s the matter of getting enough pressure. More often than not, homeowners looking to upgrade to a tankless toilet need to install a water pump to ensure that the toilet has enough flushing power. Already, the price tag is adding up. That’s not even including the costs for installing hidden plumbing behind the wall, the cost of the toilet itself, access to electricity, and the higher fees for a professional who has experience working with these fixtures.

What Features to Keep in Mind Before Buying a Tankless Toilet?

top tankless toilet reviews

If you’ve gone over the pros and cons of a tankless toilet and still want to proceed with your investment, you have a lot of work ahead of you. Choosing the best tankless toilet for your home isn’t as easy as buying the first one you see. There are a few things to think about first.

Flushing System

Not all toilets get rid of waste the same way, so you have some decisions to make. Dual-flush units are the way of the future. We recommend going with dual-flush model because they use less water without sacrificing flushing power. These toilets feature two different flushing modes to help you control your consumption.

If water conservation isn’t a huge deal for you, single-flush toilets are available as well.

In addition to thinking about the way your new toilet is going to get rid of waste, consider how you initiate the flush. You can go the simple route and stick to traditional pressure levers. Or, you can go with an electronically-controlled model with fancy buttons or automatic sensors. Just keep in mind that electric flushing systems will need a constant supply of power. If you ever have a black-out, you will be out of luck!

Also read about: The 5 Best Dual Flush Toilets that Money can Buy

Floor vs. Wall Mount

good toilet with tankless featureWhen it comes to how your toilet will be mounted, there are advantages and disadvantages to both options. Wall-mounted toilets are quite popular in Europe and Asia. But, they haven’t caught as much on in the United States yet. One of the biggest reasons why is likely worries about stability. If the toilet will be used by a heavier person, you may want to go with a floor model for peace of mind.

With that said, modern wall-mounted toilets are built to support most people. It’s not uncommon to find weight limits of around 500 pounds. Some higher-quality models can even support up to 1,000 pounds.

Both floor and wall-hung tankless toilets save tons of space. However, wall-hung fixtures take things a step further. Thanks to a durable anchoring system, no part of the toilet touches the floor. This frees up a lot of room and gives you easy cleaning access underneath.

Advanced Features

Want to create the most luxurious bathroom around? You have the opportunity to do so with a tankless toilet. Since many of these fixtures require electricity for the flushing mechanism, manufacturers are able to implement advanced features that push comfort and convenience to the limit.

Some examples include heated seats, deodorizer fans, lights, and even speakers. Even if you don’t have an electric toilet, simple features like a soft-close seat can do wonders to improve the user experience.

Does It Come with a Washlet?

bidet toilet with washletBuilt-in washlet functionality is just another way to add a touch of luxury to your water closet. Washlets are, essentially, bidets. However, the bidet features are all integrated into the toilet. So, there’s no need to install a separate fixture or get up from the seat whenever you want to use it.

Remember, many tankless toilets are already directly connected to electricity and a high-powered water supply line. Introducing a washlet system into the mix is relatively easy, but it can make a huge difference in how you use your investment.

Depending on the particular toilet you get, you may find multiple cleaning wands, several cleaning modes, air dryers, and more.

Wrap Up

The best tankless toilet can create a drastic change for your bathroom. Not just in looks but also in comfort. Top-rated fixtures offer a bevy of high-quality features that you never knew you needed. Whether you choose a simple wall-mounted unit or a sophisticated bidet toilet combo, the upgrade will be better than any traditional toilet on the market.

  • Author
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Paul Hickman
Paul Hickman
Paul is a compulsive tinkerer and inventor who loves writing about latest machines technology. He is especially inclined towards home improvement, exercise and outdoor equipment that every sports enthusiast and house dweller would love to get their hands on.
Paul Hickman
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