The Best Dual Flush Toilets In 2021

If you are looking for ways to live a greener life, a dual toilet like our top-rated Toto Neorest can do wonders for your water bills and for the environment.

A dual toilet has two water flushing options, which allow you to dispense less water or more water depending on your needs.

With a partial flush, many of these toilets can help you save 30 to 68% water for flushing. Of course, in order to use less water for the flushing, the toilet needs to have a high-quality design, so that you don’t need to use the flush more than once after using the toilet.

We have carefully reviewed a number of dual flush toilets being offered on the market and have picked the absolute best ones for 2021.

You may want to pay special attention to the water these toilets use for the different flushing options – this is measured in gallons per flush (GPF) or liters per flush (LPF).

Dual Flush Toilet

Read on to find out more about the top 10 dual flush toilets for 2021, and pick the perfect one for your needs and for your budget.

Best overall

Saniflo 023 Sanicompact Self-Contained Toilet

The first recommended dual flush toilet for 2021 is this highly efficient self-contained toilet by Saniflo.

The toilet has a stylish design and can be connected to the sink to use the wastewater from after you have washed your face or hands. This means that you will be limiting the water waste to a minimum for your bathroom needs.

In fact, it will use only a gallon of the wastewater per flush.

It is a compact dual flush toilet which can be fitted even in the tightest spaces. Its size is only 18.25 x 14.5 x 15.57 inches.

Its flushing mechanism is built-in which is an additional space saver. It is timed electronically to run for 10 to 15 seconds and use only a gallon of water every time.

Even though it looks small, the toilet seat is normally sized, and the shape is elongated which provides added comfort to people of all ages and body types.

The compact toilet was designed to meet the needs of eco-oriented people, as well as for easy access for people with disabilities, and last but not least, to fit in tight spots where conventional toilets cannot be mounted.

You can easily install this toilet in an attic, in the basement, in the garage, or wherever you decide. The discharge elbow on the back of the unit can be rotated at 360 degrees, so it can fit into any type of piping and installation.

Thanks to the non-return valve in the elbow, you don’t need to worry about any backflow of the discharge back into the toilet.

It is vented and doesn’t require a connection to a vent stack.

Overall, this is a very clever small toilet which you can easily install wherever you want without worrying about your comfort or about doing major reconstructions to the room.

It will help you save water which will not only lower your bills but will also allow you to rest assured that you are doing the best you can for our environment.

The runner-up

Toto Neorest MS992CUMFG01 1.0 GPF and 0.8 GPF 700H Dual Flush Toilet, Cotton White

This elegant one-piece dual flush toilet has a comfortable elongated front bowl and a SoftClose seat for your comfort and for the comfort of the others at home.

Thanks to its Double Cyclone Flushing system which works with ultra-high efficiency of 1.0 GPF/3.8 LPF and 0.8 GPF/3.0 LPF, you can save over 65% of the water you normally use for flushing the toilet.

This premium quality dual flush toilet can a nifty remote control and a hands-free automatic flush for better hygiene and time-saving. It also allows you to adjust the programmable settings for your temperature, spraying, and heat seat temperatures so that they turn on automatically every time you use the toilet.

The auto flush can be set for 5, 10 or 15 seconds after the person moves away from the toilet seat, and also you can adjust the toilet lid to close after 25 or 90 seconds after you have used it.

It also has a high-profile tank and a skirted design which will look good in any bathroom.

Thanks to the heated seat which has adjustable temperature levels you will no longer loathe sitting on the toilet seat when it is cold in the bathroom.

The top-quality toilet also has an aerated water spray which has pulsating and oscillating functions for convenient and efficient washing up after you are done. Thanks to the Wonderwave Spray and then an air dryer which blows gentle warm air to refresh you every time you use the bathroom.

The ion barrier on the surface helps keep the surface germ-free and clean at all times. The eWater technology transforms tap water into a safe but powerful cleaning and sanitizing compound.

It also has a handy night light so you can use the bathroom without switching the light on at night.

The dimensions of this amazing dual flush toilet are 32.5 x 15.5 x 21.5 inches, and it is made of ceramic with SanaGloss in cotton white color. Thanks to the glaze which covers it, not a single speck of dirt will stick to the toilet bowl. The toilet has a 12-inch rough-in.

It is designed to meet Universal Design and ADA standards and needs and is suitable for people of all ages.

The deluxe dual flush toilet is sold with a 3-year warranty for residential use and a 1-year warranty for commercial users.

Overall, this is a top of the line toilet which will not only help you save water but will make you feel cleaner and happier than ever after each use.

It may be on the high-end price-wise, but for people who love comfort and cleanliness, it is definitely a worthwhile investment.

The Toto Neorest offers the perfect combination of comfort, ecology, and luxury in one.

Our budget-friendly option

TOTO CST743ER01 Eco Drake Round Bowl Toilet with Right Hand flush

If you love our second choice for 2021 but are not ready to spend so much money on a dual flush toilet, this inexpensive toilet by the same manufacturer could be the perfect option for you.

Yes, it doesn’t have all the bells and whistles of the Toto Neorest, but the Toto Eco Drake toilet uses 1.28 GPF/4.8LPF only thanks to the efficient E-Max flushing system.

It is a commercial grade toilet with a round toilet bowl and tank set. It has a traditional high-profile design and a right hand trip lever. The wide fast Flush is 3 inches wide for easy reach and comfort.

It comes without a seat, but you can easily upgrade it with a seat of your choices such as a SoftClose one or a Washlet for added comfort.

This tow piece toilet is made of high-quality ceramic with a cotton colored finish.

The size of the trap is 2.13 inches, the height of the toilet is 28.5 inches and the width side to side is 19.5 inches. The toilet is 26.375 inches deep from the front to the back.

It is sold at a very affordable price and has a 5-year warranty.

So, if you are looking for an affordable, eco-friendly and high-quality dual flush toilet, you should definitely take a closer look at the Toto Eco Drake.

Related: Recommended Composting Toilet Systems – (Reviews & Buying Guide )

The rest of the best

WOODBRIDGE T-0019, Dual Flush Elongated One Piece Toilet with Soft Closing Seat

This sleek dual flush toilet by Woodbridge has a modern design and is made to be cleaned quickly and easily. Plus, it will help you save water flush after flush.

Key features:

  • A one-piece toilet with a comfortable elongated bowl
  • Highly efficient and meets and exceeds the ANSI standards
  • A clean and sleek design which will fit well in any décor
  • Thanks to the skirted tramway, the toilet looks sleeker and is easier to clean and sanitize without any nooks and crannies which can hold in the dirt and germs
  • The flashing system is quiet and powerful, and at the same time saves water
  • The toilet uses 1.0 or 1.6 GPF, or an average of 1.28 GPF only
  • It has a comfortable soft closing seat
  • The height of the toilet is suitable for most adults
  • The hinges are made of stainless steel and are easy to clean and tighten when necessary
  • The toilet is sold with the soft-closing seat, the high-quality wax ring, the pre-installed water fitting, floor bolts, a wrench for tightening the bolts in tight spaces and a detailed installation manual
  • It is sold with a 5-year warranty on the porcelain surface and parts, a year for the flush mechanism and for the soft closing seat
  • Its size is 31 x 18 x 28 inches
  • The color is cotton white

TOTO CT418F 01 Aquia Wall-Hung Dual-Flush Toilet Bowl, Cotton White

If you prefer a more discreet wall hung dual flush toilet, you may want to opt for the elegant and efficient Toto Aquia Wall-Hung toilet.

Key features:

  • A wall hung design for a sophisticated and sleek look
  • It saves space and makes the bathroom look bigger
  • The height is adjustable in accordance with your preferences
  • Because it is wall mounted, there will be no grime and microorganisms underneath the toilet which are usually hard to reach with traditional toilets
  • An elongated design and an universal height for added comfort for the average adult
  • Features a dual max flushing system of 0.9 GPF and 1.6 GPF
  • Protected by a CeFiONtect glaze skirted design
  • CalGreen compliant which means the waste can be used on green products and fertilizers
  • The toilet can be paired with the in-wall tank systems by Toto or others
  • The size of the toilet is 21 x 14.2 x 15 inches
  • The toilet is sold separately from the water tank and the seat, so you can combine it with the seat and tank of your choice

INTELFLO 600Watt Compact One-piece Toilet, with AC110V 600 Watt Macerator Pump Built into the Base, Power Flush Toilet

If you want a smart dual flush toilet for your smart home, then you can’t go wrong with the Interflo one-piece compact toilet. It can be placed wherever you need it without any need for construction work.

Key features:

  • Premium quality build
  • A built-in silent and durable cast aluminum 600 Watt macerator pump in the base so you can place the toilet wherever you please, without any need of plumbing or construction work
  • The macerator grinds the waste and reduces the solid waste into liquid form, and pumps it away to the sewer with sufficient pressure
  • The pump has no-clog blades
  • It can pump up to 30 feet and horizontally up to 260 feet
  • The maximum flow is 140 liters per minute
  • The inlet is 22-38mm and the outlet is 22-38mm
  • Comes with a soft closing toilet seat which will close automatically once you are done
  • It is 25 x 22 x 17.8 inches in size and weighs 68.8 lbs.

20-inch Extra Tall Toilet. Bowl Taller than ADA or Comfort Height. Water-Saving Dual Flush. Slow-Close Seat. Upgraded Handle

If you have an elderly person at home or someone with limited mobility, this toilet with a high bowl will ensure that using the toilet is easier and safer for them.

Key features:

  • The bowl height is 20 inches, and 21 inches with the toilet seat on top
  • Adds to the safety in the bathroom and makes sitting down and standing up easier
  • Approved by the California Energy Commission and the Board of Registration of Plumbers
  • It can qualify as a medical expense for a tax deduction, as well as for a water saver rebate which many states offer
  • The dual flush valve is very water-saving and uses only 1.28 gallons per full flush and 0.9 gallons per light flush
  • The water surface to the top of the rim is 8 inches
  • Its dimensions are 27(L) x 36(H) x 14 ¾ (W) inches and can be mounted as a direct replacement for a toilet with a 12 inch rough-in
  • A slow-closing, lightweight plastic seat
  • Corrosion-resistant and durable valve and handle
  • This tall and efficient toilet is made of high-density clay transformed into porcelain and is white in color

TOTO MW6463056CEMFG 01 WASHLET+ Aquia IV One-Piece Elongated Dual Flush 1.28 and 0.8 GPF Toilet with S550e Electric Bid

The Toto WASHLET+ Aquia IV is an amazingly comfortable, clean and water-saving toilet which is absolutely worth every cent it costs.

Key features:

  • An elongated one-piece design for perfect comfort and a luxurious look
  • Includes a WASHLET+ – which combines a bidet seat and a toilet seat and conceals the power cord and water supply for an elegant and clean look, and makes the unit easier to keep clean and sanitary
  • Thanks to the innovative Dynamax Tornado Flush dual system, it is water-saving and uses only 1.28 GPF for a full flush and 0.8 GPF for a light flush – which is a reduction of 40% of water as compared to a traditional toilet
  • The flush is ultra-quiet
  • An Ewater+ feature which turns ordinary water into a cleaning compound for the bowl and the wand after every use without the use of harsh and harmful chemicals
  • The toilet will pre-mist the bowl prior to every use in order to prevent the sticking of solid waste on it
  • The seat can be heated in according with your preferences
  • The toilet also has a nifty night light so you don’t need to turn the lights on at night
  • The bidet offers front and rear washing, and you can adjust the washing pressure and temperature in accordance with your liking, by choosing among 5 temperature settings and pulsing or oscillating or another 3 spray settings
  • After the washing, the bidet will dry you with warm air
  • It has a 12 inch rough in which can be adapted to a 14 or 10 inch one with the suitable adjustment kits by Toto
  • The toilet has a universal height which is comfortable for the average adult
  • The lid opens and closes automatically
  • The toilet has a beautiful contemporary design which will look perfect in any bathroom
  • The size of the toilet is 28.25 x 15.19 x 28.12 inches
  • It has a remote control which you can use to preprogram your preferences for the timer, the temperature and washing settings

KOHLER K-3989-7 Wellworth Highline Two-Piece Dual-Flush Elongated Toilet

If you prefer a more colorful option for your dual flush toilet, we recommend you consider buying the Kohler K-3989-7 Wellworth dual flush toilet. It is not only friendly for the environment but is also beautiful and is available in different color options for every taste and design.

Key features:

  • Sold in black, white, almond and biscuit colors
  • A two-piece dual flush toilet
  • The elongated bowl of the toilet provides added room and comfort for the users
  • A chair-height seat which is comfortable for an average adult
  • A left-handed trip level
  • A water-saving choice of a 1.1 GPF or a 1.6 GPF
  • It can save more than 30% of water when used in the 1.1 gallons per flush mode
  • A 2 1/8 inch glazed inch trap way to keep the toilet clean and nice looking at all times
  • The toilet is 40 x 34.5 x 24 inches in size and made of premium quality china
  • With a 12 inch rough-in
  • Sold with a 1-year warranty

American Standard 2887.216.222 H2Option Siphonic Dual Flush Elongated Two-Piece Toilet

With this reasonably priced toilet by American Standard, you can choose how much water to use for every flush, and make sure that even in saving mode everything will be pristine clean after you are done. The dual flush option allows for water-saving at 1 gallon per light flush and a 1.6 gallon per flush for solid waste.

Key features:

  • Available in an elongated or round versions
  • You can choose between white and linen colors for the toilet
  • WaterSense certified for high water-saving efficiency
  • A dual flushing option for 1 GPF or 1.6 GPF
  • Allows for quiet and yet efficient flushing thanks to the pressurized rim of the H2Option toilet
  • The PowerWash rim will also help clean the bowl and rim every time you use it
  • A chrome-plated top mounted dual flush button
  • A 12-inch rough-in
  • A 9 x 8-inch water surface area
  • A fully glazed trap way
  • An EverClean surface on the toilet protects it from fungus, mold, algae, and mildew
  • The size of the toilet is 29 ¾ x 15 x 29 ½ inches
  • It is sold with two bolt caps but you will have to choose and purchase a toilet seat separately

See also: Recommended Tall Toilets for Elderly People

Final words

Thank you for reading, and remember that with a toilet like any of these, you can help your family budget and help Mother Nature as well. In the times when we are all looking toward leading more eco-friendly and sustainable lifestyles, a dual flush toilet is a perfect way to make a big step in this direction.

Hopefully, you have found the toilet for your needs and for your planned budget, and pretty soon you will enjoy the water-saving features of each one of them, as well as the comfort and the amazing features which many of these toilets have.

Good luck with your purchase and enjoy your new water-saving and money-saving throne!


Last update on 2021-07-26 at 23:03 / Affiliate links / Images from Amazon Product Advertising API

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