10 Best Tankless Toilet Reviews 2020

Tankless toilets are growing in popularity every day because the latest models offer more than just compactness. They are excellently designed, perform outstandingly well, and offer comfort just like standard toilets. In this best tankless toilet reviews article, I have listed the most selling tankless toilets.

Unlike standard toilets, tankless toilets don’t feature a tank; instead, they are connected directly to a water supply line that offers a measured high-pressure flow of water for every flush. Besides, most of the manufacturers are creating tankless toilets with technology that makes them easy and fun to use.Best Tankless Toilet Reviews

Most Popular best tankless toilet comparison chart

ImagesTankless ToiletsWater ConsumptionFlush TechnologyPrice Idea
(Editor's Choice)
Check Price
Toto MS992CUMFG#01 Neorest 700H Dual Flush Toilet, Cotton White
Read Review
1.0 GPF and 0.8 GPFDual FlushExpensive
Check PriceKOHLER K-5401-0 Veil Skirted 1 Piece Smart, Dual Flush Toilet in White
Read Review
1.28 GPF or 0.8 GPFDual FlushHigh
Check PriceSaniflo 023 Sanicompact Self-Contained Toilet, White
Read Review
1.6 GPFGravity FlushMedium
Check PriceTOTO MS982CUMG#01 Neorest 550H with Ewater+ Disinfection System, Cotton White
Read Review
1.0 and 0.8 GPFDual FlushExpensive
Check PriceWOODBRIDGE B0950S Compact One-Piece Dual Flush Toilet with Integrated Bidet, Bitdet
Read Review
1.28 GPFDual FlushMedium
Check PriceBio Bidet IB835 Fully Integrated Bidet Toilet System, White
Read Review
1.6 GPFAutomaticHigh
Check PriceTOTO MS920CEMFG#12 WASHLET G400 Bidet Seat with Integrated with CEFIONTECT, Sedona Beige
Read Review
1.28 or 0.9 GPFDual FlushHigh
Check PriceKOHLER K-6299-7 Veil Wall-Hung Elongated Toilet Bowl, Black Black
Read Review
Dual FlushLow
Check PriceDuravit 2225090092 Toilet Bowl Wall Mounted Starck 3
Read Review
Dual FlushLow
Check PriceToto CT418FGNo.01 Aquia Wall-Hung Dual-Flush Toilet, Cotton - CT418FG#01
Read Review
1.6-GPF and 0.9-GPFGravity Dual FlushLowest

Tankless Toilets Buyer’s Guide

Space – pick a toilet model that fits perfectly in your bathroom. Ensure that the toilet is compact and doesn’t take up much space, but at the same time, it should perform exceptionally well.

Water consumption – the water your toilet uses is a great deal as it can allow you to save water and reduce your water bill. Dual flush toilets are becoming popular and are the best when it comes to the toilet for saving water.

Flushing system – always choose a toilet with a powerful and silent flushing system. You don’t want to flush several times or make noise to draw attention.

Quality – a good toilet should not only be durably made but also it should perform at a high level. Vitreous china is the best material followed by ceramic.

Comfort – a comfortable toilet shouldn’t just have a comfortable elongated bowl but as well as the right height for people at home.

Top 10 best tankless toilet reviews 2020

In this Tankless toilet reviews and guide, we’ve selected some of the best tankless toilets on the market so that you don’t have to waste time and energy perusing through different brands and models.

Here are our best 10 tankless toilets:

Toto MS99CUMFG#01 Neorest 700H Dual Flush Toilet

Toto is a market leader when it comes to producing the best high-end and durable toilets. The Toto Neorest 700H is one of the most advanced toilets that you will come across. This is a tankless toilet with a very powerful and efficient flushing system in the double cyclone flushing system.

Read Full reviews of the Toto Neorest 700h dual flush toilet and washlet here

What’s more, the toilet is eco-friendly and ultra-high efficiency as it uses 1.0 gpf for a full flush and 0.8 gpf for a partial flush. The elongated bowl and comfort height gives the user comfort and the heated seat with settings allows the user to utilize the toilet even in the most unbearable conditions.

If comfort and luxury are what you want in your bathroom without being afraid to spend, then you will like the Toto Neorest 700H one-piece toilet.

Technical specifications of the Toto MS992CUMFG#01 Neorest 700H Toilet:
Features Toto MS992CUMFG#01 Neorest 700H
Water Consumption: 1.0 and 0.8GPF
Pieces: One-Piece Toilet
Material: Ceramic with SanaGloss
Color/Finish: Cotton White
Shape: Oval
Flush Type: Siphon Jet
Power Source: Corded-electric
Certification: Watersense
Handle/Lever Placement: Center
Warranty: 3-year limited (residential) and One-year limited (commercial)
Price: Check Today’s Price


  • Comfortable elongated bowl
  • Low water consumption
  • Sleek modern design
  • Double Cyclone flushing system
  • Hands-free automatic flush
  • Easy to use with convenient remote control


  • Very expensive

Kohler K-5401-0 Veil One-Piece Toilet

There is no doubt that Kohler Veil is one of the most impressive models that you will lay your hands on. It competes favorably with the Toto Neorest toilet series. The Kohler Veil intelligent toilet features nice curves that give it a modern and luxurious look. So, it easily blends and matches with most modern bathrooms.

Read full reviews of the Kohler k-5401-0 veil intelligent skirted toilet

With its high technology, you will have an easy time utilizing this toilet as almost everything is automatic. From the automatic open/close lid to the flushing mechanism and cleansing wand, this is a true example of future toilets.

The Kohler Veil toilet also features a dual flush mechanism that allows the user to save water as they can choose between 0.8 gpf or 1.28 gpf depending on the type of waste. Moreover, this toilet is very easy to clean as it has a skirted design.

Technical specifications of the Kohler K-5401-0 Veil One-Piece Toilet:
Features Kohler K-5401-0 Veil
Water Consumption: 1.28 or 0.8 GPF
Pieces: One-Piece Toilet
Color,Finish: White
Shape: Elongated
Material: China
Handle/Lever Placement: Wall
Rough-In: 12 inches
Certification: Watersense
Touchscreen LCD remote in English: Yes
Flush Type: Dual Flush Toilets
Warranty: One-year limited
Price: Check Today’s Price


  • Dual flush for water efficiency
  • Soft-close seat prevents slamming
  • Elegant and luxurious design
  • Heated toilet seat for comfort
  • Elongated bowl provides more sitting area


  • Tricky to install

Saniflo 023 Sanicompact Self-Contained tankless toilet reviews

The Saniflo 023 Sanicompact toilet is not only a great choice of a tankless toilet but it is also one of the best macerating toilets on the market. This toilet features an electronic timer mechanism that regulates water usage. Additionally, the macerating pump can flush waste and wastewater from the sink up to 9-feet above and 100-feet horizontally.

Read Full Reviews of the Saniflo 023 Sanicompact 48 one piece toilet here

What’s surprising is that the toilet uses less than 1.0 gpf but it is very efficient and effective. It also has a skirted design that is easy to clean and the elongated bowl offers more comfort to different users. This toilet can be used by tall people or even by those with disabilities as it is of a comfort height.

With its sleek and sturdy design, this compact toilet is great for installing in your garage, under the staircase, attic, basement, or even in a place without a defined sewer line.  However, installing is not as easy as it has to be connected to an electrical outlet.

Technical Specifications of the Saniflo 023 Sanicompact Self-Contained tankless toilet:
Features Saniflo 023
Pieces: One-Piece
Material: Porcelain Toilets
Water Consumption: 1.6 GPF
Certification: Not Applicable
Shape: Elongated
Flush Type: Gravity Flush Toilets
Warranty: 2-year warranty
Price: Check Today’s Price


  • Great for tight places
  • Comfortable elongated bowl design
  • Low water consumption
  • Durable construction
  • Ability to pump up to 9ft vertically and 100ft horizontally
  • Compact design


  • Needs a professional plumber to install

Toto MS982CUMG#01 Neorest 550H Toilet

The Toto Neorest 550H one-piece toilet is another high-quality toilet model from Toto. It features a tankless design and it is very compact to easily fit in tight bathrooms. Being a one-piece toilet, this toilet is easy to maintain and clean. The SanaGloss ceramic glaze also helps to keep the toilet cleaner for long as it prevents particles from adhering to the surface.

On top of that, the cyclone siphon jet flushing system works together with the elongated bowl design to provide a powerful flush that clears waste very effectively. Amazingly, the toilet only uses 0.8 gpf or 1.0 gpf depending on the waste being cleared. So, this is not only an eco-friendly toilet but it also helps you to reduce your water bill.

Additional features like the premist, eWater+, and heated seat make this toilet to be even more comfortable.

Technical Specifications of the Toto MS982CUMG#01 Neorest 550H Toilet:
Features Toto Neorest 550H
Pieces: One-piece Toilet
Water Consumption: 1.0 and 0.8 GPF
Certification: Watersense
Material: China
Shape: Elongated
Flush Type: Dual Flush
Warranty: 3-years limited
Price: Check Today’s Price


  • Ultra-high efficiency toilet
  • Comfortable elongated bowl
  • SanaGloss glaze keeps the toilet clean
  • Easy to use with the remote control
  • Powerful cyclone siphon jet flushing system
  • Easy to clean skirted design


  • It is very costly

WoodBridge B0950S Compact One-Piece Toilet

The WoodBridge brand has been on the rise and shows no sign of slowing down. This WoodBridge tankless toilet is one of the best in the industry and has some exceptional features. The toilet is integrated with a bidet seat for a luxurious experience. You can use the remote to access one of the luxurious features such as heated seats, automatic flush, water pressure, and much more.

Related: Check Low price Woodbridge Toilet Review here (Tank Include)

This one-piece toilet is also very hygienic as you don’t need tissue paper after visiting the toilet. Just use the posterior wash, pulsating wash or feminine wash to clean yourself. Furthermore, the toilet flushes automatically as you leave thus you don’t have to press a button. With the dual flush system, pick either partial flush or full flush to conserve water.

The deodorizer ensures that the toilet smells fresh after use and the skirted design is simple to clean. Due to its compact design, this is a wonderful toilet for small bathrooms. Read the technical specification of the WoodBridge B0950S tankless toilet reviews below.

Technical Specifications of the WoodBridge B0950S Compact Toilet:
Features WoodBridge B0950S
Pieces: One-piece Toilet
Water Consumption: 1.28 GPF
Certification: Watersense
Flush Type: Dual Flush Toilet
Warranty: 2-year limited manufacture warranty
Price: Check Today’s Price


  • Smart technology toilet
  • Dual flush mechanism
  • Automatic flush
  • Comfort height
  • Easy to clean
  • Deodorizer keeps the toilet smelling fresh


  • It is pricey

BioBidet IB835 Eco-Friendly tankless Toilets

The BioBidet is a unique and modern toilet that can be fitted in both small and large bathrooms. It has a state-of-the-art wireless remote control that is easy to navigate. You can use it to access the adjustable heated seat, pulsating, oscillating, and many other features. The toilet has a 2 in 1 nozzle system that makes cleaning yourself after using the toilet easy and hygienic.

Even though this toilet looks very luxurious, it is not difficult to install. It also comes with a slow closing seat that prevents slamming thus it doesn’t create attention. What I love most about this toilet is that it is environmentally friendly and the deodorizer keeps it smelling after every use. Also, cleaning won’t be a problem as it has no nooks and crannies that hide dirt and mold.

Technical Specifications of the BioBidet IB835 Eco-Friendly tankless Toilet:
Features BioBidet IB835 Eco-Friendly
Pieces: One-piece Toilet
Water Consumption: 1.6 GPF
Certification: Watersense
Material: Vitreous China Bidets
Shape: Elongated
Flow Rate: 0.7 liters_per_minute
Rough-In: 12 inches
Warranty: 3-years limited
Price: Check Today’s Price


  • User-friendly remote control
  • Easy to install
  • Auto flush
  • Modern low profile design
  • Heated seat and warm air dryer
  • Deodorizer keeps toilet smelling fresh
  • Easy to clean
  • 3-year limited warranty


  • Some users complain that water pressure is lacking

Toto MS920CEMFG#12 Washlet G400 Dual Flush best tankless toilet

Toto offers many high-quality tankless toilets and the Toto Washlet G400 is one of them. As you approach this toilet, the lid opens automatically and the premist sprays the Cefiontect glaze to avoid particles from sticking on the surface. The seat is also heated and as you leave the toilet, it flushes automatically. The air deodorizer takes center stage by unleashing its scent in the air to get rid of odors.

Read Full Reviews of the Toto G400 toilet here https://bestflushingtoilet.org/toto-toilets/g400-review/

Before you leave the toilet, you don’t need to use toilet paper as it has a cleaning wand that cleans and cleanses you under. With two user memory settings, you can save your preferences and just press a button for a hands-free operation from start to finish. The Dual lush system gives you the choice of either using a partial 0.9 gpf or 1.28 gpf.

This toilet is also comfortable and can be used by people of different ages and disabilities as it has an elongated bowl and comfort height.

Technical Specifications of the Toto G400 Toilet:
Features Toto G400 Toilet
Water Consumption: 1.28 GPF or 0.9 GPF
Pieces: One-Piece Toilet
Dual flush: Yes
Flushing System: 3D Tornado Flush
Remote control operation: Yes(Front and rear warm water washing + Temperature and adjustable pressure control)
Auto open/close lid: Yes
Air Deodorizer: Yes
Dryer function: Yes
User memory: Yes(2 User)
Material: Ceramic
Certification: ADA compliant, WaterSense certified, CAL Green compliant
Wand cleaning mode: Yes(self-cleaning)
Shape: Elongated
Seat sensor: Yes
Power Source: corded-electric
Warranty: Limited Lifetime
Price: Toto G400 ReviewCheck Today’s Price


  • Dual flush system
  • Sleek and elegant design
  • Cefiontect glaze makes cleaning to be simple
  • 3D tornado flushing system
  • ADA compliant
  • EPA WaterSense Certified
  • Universal height


  • Installation is quite complex
  • It needs regular cleaning as most users have complained that stains are left behind

Kohler K-6299-7 Veil Wall-Hung tankless Toilet

This Kohler Veil model is almost similar to the previous Kohler Veil toilet but they differ in the way that they are mounted and the later is slightly more sophisticated. This one is mounted on the wall while the previous model is mounted on the floor. The Kohler Veil Wall-hung toilet is compact and leaves space below the toilet for the storage of items. If you want a modern, luxury toilet, then buy this best tankless toilet!

Related: Feature Difference Between Kohler Veil and Toto Neorest

The toilet has the tank and carrier system completely hidden in the wall for a seamless appearance. Although accessing this section can be difficult if the toilet develops a problem. Apart from that, this is a compact tankless toilet that will save space in your bathroom and cleaning it won’t be an issue at all. Additionally, it is very comfortable and the dual flush system will help you conserve water.

Technical Specifications of the Kohler K-6299-7 Veil Wall-Hung tankless Toilet:
Features Kohler K-6299-7 Veil
Pieces: One-Piece Toilet
Flushing System: Dual Flush
Color,Finish: Black/Black
Material: China
Shape: Elongated
Price: Check Today’s Price


  • Compact and sleek design
  • Elongated bowl
  • Luxurious design
  • Dual flush system
  • Easy to clean


  • Difficult to install

Duravit 2225090092 Starck 3 Wall-Mount Toilet

Duravit is another underdog when it comes to the most popular toilets but it has some innovative and luxurious toilets on offer such as the Duravit Starck 3 wall-hung toilet. This toilet model is not only uniquely designed but it also performs exceptionally well. Its sleek design and white finish can easily blend with any bathroom type.

Read More About the Best Duravit Toilets here (Floor-Mounted)

Being a wall-mount design, you will have more space below the toilet that will also make cleaning the toilet to be a breeze. This eco-friendly toilet has a round bowl design which is ideal for small bathrooms where space is very important. However, the toilet needs a toilet tank and seat bought separately for full installation.

Technical Specifications of the Duravit 2225090092 Starck 3 Wall-Mount Toilet:
Features Duravit 2225090092
Pieces: One-Piece Toilet
Flushing System: Dual Flush
Color,Finish: White Alpin
Material: brass|metal|porcelain
Shape: Round
Special Feature: Eco FriendlyEco Friendly
Price: Check Today’s Price


  • Unique and sleek design
  • Round bowl takes up little space
  • Eco-friendly toilet
  • Excellent white finish complements most bathrooms
  • Easy to clean


  • Some users say that it doesn’t flush well

Toto CT418FGNo.01 Aquia Wall-Hung Toilet

Toto is one of the most reliable brands on the market. Over the years, they’ve maintained on providing high-quality, efficient, and comfortable toilets that meet the needs of people. The Toto Aquia wall-hung toilet is specifically made to fit in small bathrooms as it features a sleek and innovative design that won’t occupy a lot of space.

Related: Best Wall Hung Toilet Review [Top Wall Mounted Toilets List]

The Aquia wall-hung toilet also features an elongated bowl design and universal height to offer comfort to all kinds of users. The dual flushing system is very effective as it strongly pushes waste using either 1.6 gpf or 0.9 gpf. Like most Toto toilets, it has a SanaGloss glaze that prevents substances from sticking on the surface for a cleaner toilet.

Related: Top Rated 10 Best Toilet Seat Comparison Table

However, the toilet has some challenges such as the installation process is hectic and costly. Additionally, you will need to buy a soft close seat and in-wall tank separately. These are additional costs and some people may find them to be unfavorable.

Technical Specifications of the Duravit 2225090092 Starck 3 Wall-Mount Toilet:
Features Duravit 2225090092
Water Consumption: 1.6 and 0.9 GPF
Pieces: One-Piece Toilet
Flushing System: Gravity Dual Flush Toilet
Color,Finish: Cotton
Certification: Not Applicablet Applicable
Material: Vitreous China
Shape: Round
Special Feature: Eco FriendlyEco Friendly
Price: Check Today’s Price


  • Easy to clean
  • Durable construction for longevity
  • Outstanding performance
  • Universal height
  • Dual flush system
  • SanaGloss glaze keeps toilet cleaner for longer


  • Quite challenging to set up

Advantages of tankless toilets

  • They are easy to install
  • Stylish and elegant designs
  • Toilets connect directly to the water main pipe which reduces tank malfunctioning problems
  • Occupy very little space

Disadvantages of tankless toilets

  • In case of a water outage, there is no tank to back up for the extra flush
  • Models with advanced functions like a bidet seat are more expensive
  • In case of a power outage, technology-based features won’t function

The tankless toilets that we’ve listed are some of the best and should meet your needs. Just take a good look and identify one that has the features and functions that you require. They vary in price, design, and functionality, but they are all amazing in performance. After reading this article, hopefully, you’ve found the best tankless toilet that complements your bathroom design and perfectly fits in your modern bathroom.


Question: Which one is better – floor mount or wall-hung tankless toilet?
Answer: The type of tankless toilet that you install in your bathroom depends on two factors, which are weight and aesthetics. If you have a heavy person at home, then you’re better off with a floor mount tankless toilet. You can set up a wall-hung toilet if you want to have more space or want an elegant toilet in your bathroom.

Question: How does a tankless toilet function?
Answer: Tankless toilets utilize a regulated flushing mechanism that is directly linked to the main water pipe.

Question: Is it easy to install a tankless toilet?
Answer: Yes, it is. Most tankless toilets are just single pieces of items that need a standard connection to the main water pipe and another to a waste outlet. In some cases, some dispose of even the wastewater from the sink.

Still, have a question after reading this Best Tankless Toilet Reviews? Comment below.

Leave a Reply

Your email address will not be published. Required fields are marked *