5 Best Dual Flush Toilets Reviews 2021 – See Our #1 Pick

Dual Flush Toilets

Today many homeowners are opting for dual flush toilets instead of the standard toilets. If you are planning to upgrade or replace your old toilet, dual flush toilets are the best.

One of the greatest benefits of using these toilets is that they will greatly reduce your water costs because they do not consume a lot of water.

They have 2 buttons, a smaller one for flushing liquids and the bigger one for flushing solid wastes. Most people love them because they are not only easy to maintain but also cut water usage from 6 and 3 liters.

Our aim is to help you in determining the best products on the market that will give you value for your money. As a result, we have compiled a list of the best dual flush toilets available today. Check them below.

Top-Rated Dual Flush Toilets Comparison

Editors Choice Editors Choice #1. Toto MS970CEMFG G500 Check Today’s Price
  • Height: 16″ from Floor
  • Material: Vitreous China
  • Shape: Elongated
  • Water Consumption: 0.9/1.28 GPF
Runner-Up Runner-Up #2. TOTO CST416M#01 Aquia II Check Today’s Price
  • Height: 16-5/8″
  • Material: Vitreous China
  • Shape: Elongated
  • Water Consumption: 0.9/1.6 GPF
Value for Money Value for Money #3. American Standard H2Option Check Today’s Price
  • Height: 15”″
  • Material: Vitreous China
  • Shape: Elongated
  • Water Consumption: 1.0/1.6 GPF
Modern Design Modern Design #4. White and Green Porcelain Check Today’s Price
  • Height: 16-3/4″
  • Material: Vitreous China
  • Shape: Elongated
  • Water Consumption: 0.8/1.6 GPF
Budget Pick Budget Pick #5. KOHLER K-3987-0 Wellworth Check Today’s Price
  • Height: 15-1/2″
  • Material: China
  • Shape: Round
  • Water Consumption: 1.1/1.6 GPF

5 Best Dual Flush Toilets – Reviews 2021

1. Toto Dual Flush Toilet MS970CEMFG G500– For Elites

This one comes first as the best dual flush toilet you will ever find due to its inconceivable features. This model is ADA compliant and at the seat, it is 16 1/8 which is comfort height. It is comfortable for kids as well. After using the toilet you can just stand and walk away without looking back, hence called Self Cleaning Toilet.

This one is the only dual flush toilet that will give you a rich man’s bathroom feel.

First, it comes from a reputable brand which gives you an assurance that it will give you the best performance. The other thing is that it has a compact design which makes it suitable even for small bathrooms.

It comes with a remote control that allows you to access its features such as the auto open and close lid which is a rare feature you can’t find in any other toilet.

Again, it Flushes the toilet waste automatically just by pressing a button on the remote control. It comes with rear and front auto warm water washing which needs an electrical connection. You can adjust the water pressure with the remote. It provides you a heated seat with temperature control in the winter season.

It comes with a Sanagloss glaze which is very effective in ensuring that the toilet is sparkling clean. This feature also keeps away bacteria and germs from the toilet.

It is comfortable for shorter individuals around 5’7″ because the toilet bowl is higher than normal. A handyman will need around 5-6 hours to install this. Once it’s installed it’s the best one and works awesome.

This model is G500. There is another model in similar series which is G400. The difference between the G500 and G400 is that G400 sprays the bowl thus making it more slippery to clean the waste from its surface easily while G500 doesn’t have this function.

It will come in one box which includes the toilet bowl, the washlet seat, and remote.


  • Auto close/open lid
  • Remote Control
  • Automatic air deodorizer
  • Air Dryer
  • illuminated touchpad
  • Dual-Max flushing system


  • Expensive

2. TOTO Aquia II 2-Piece Toilet

Toto Aquia II is that it will maintain its sparkling white color, Very Modern looking even when used for a long time. Cleaning this toilet is also a breeze and you won’t require a lot of time to do so. It has a fantastic look that matches perfectly with your bathroom interior.

This Toto toilet doesn’t come with a seat and will be shipped in 2 separate boxes. It comes with a toilet bowl and tank. You will need to buy the toilet seat separately. Here is the TOTO SS204-01 Contemporary SoftClose Oval Toilet Seat which is compatible with this.

Its narrow profile makes a small bathroom looks bigger. It is a regular height toilet certified by WaterSense. It has two flush modes, a small button for liquid waste and a big button for solid waste.

If you are a taller person you need to sit an inch forward so that your back will not touch the tank.

The other exceptional thing is that it uses a dual max flushing system. This means that it is more effective as compared to other cheap models. Also, is very economical since it does not use a lot of water & so much less water that sits in the bowel.

For those who have limited space in their bathrooms, this dual flush toilet will be a great choice since it does not take a lot of space. You can even install it at the corner of your bathroom. 

Users from Amazon are using this toilet for more than 5 years and still maintaining its look.


  • Free from clogging
  • Sleek and modern design
  • Small size
  • Uses only 1.6 gallons per flush
  • Effective dual-max flush system


  • Poor flush valve

3. American Standard H2Option – Best Value for Money

For a long time, American Standard H2Option has been one of the most preferred dual flush toilets by many homeowners. It doesn’t perform better than Toto G500 but it is very reliable and affordable.

This toilet uses siphonic dual flush system which means flushed water enters bowls and clears the waste simultaneously out of the bowl. You can use Clorox Toilet wand to keep it clean for a long period of time.

The height of this American Standard toilet is 16.5 inches up to bowl from the floor, after adding the seat which is 1.5 inches, it’s height becomes 17 inches.

Make sure water pressure at home is high otherwise takes some time to fill the tank.

This American Standard H2Option toilet comes with a combination bowl and tank without any seat and the product is shipped in 2 boxes. You can also claim a 5-year warranty inside and out.

Its surface is antimicrobial which doesn’t stain the waste and odor causing bacteria. The surface stays clean even after years of use.

You won’t also experience clogging issues with this American Standard toilet. You can either choose the heavy or soft flush. Heavy flush 1.6 GPF is suitable for solids while the soft flush 1.0 GPF is the best for liquid wastes. Hence it cleans the waste in one flush.

No one loves noisy toilets and even being the dual flush toilet, it is very quiet.


  • Water sense certified
  • Awesome design
  • Not noisy
  • Uses 1.6 gallons of water
  • Very effective
  • Fast flushing
  • Allows soft and heavy flushing


  • It does not come with a seat

4. White and Green Porcelain

If you are searching for a stylish and functional dual flush toilet, this one will definitely be a great choice. It has a gold accented unique ornate design that stands out from the rest. It is a light green toilet.

Apart from the design, it also has a fantastic flushing system that doesn’t consume a lot of water. Again, it has a dual mechanism that uses a push-button and it is able to save up to 25,000 gallons of water per year.

In addition, it has two flush options, light option provide a flush of 0.8 GPF while the heavy flush provides 1.6 GPF. The other awesome thing is that the Renovator’s Supply bathroom fixture even exceeds the EPA water conservation standards. The unit also features a white porcelain finish which gives it an appealing look. It also has a Pantone color match, unlike others.

The brand’s proprietary gloss finish is resistant to stains and scratches. Finally, it comes with an elongated plastic seal which provides a safe and quiet nonslam mechanism.


  • Very beautiful appearance
  • Toilet seat is included
  • Fantastic flush system
  • Stain and scratch resistant
  • Smart flushing system
  • Surpasses the EPA standards
  • Saves up to 25,00 gallons of water annually


  • Poor customer service

5. KOHLER K-3987-0 Wellworth – Budget Choice

Kohler K-3987-0 is another unique dual flush toilet for those who are searching for a high-quality toilet. It comes with 1 Year Limited Warranty.

It has a height of 14 1/2 inches from floor to the seat, hence comfortable for short height people, not compatible with ADA height. The height from floor to tank top is 29 1/2 inches. It has a 12-inch rough-in. 

This dual flush toilet is also best for corner rooms and smaller bathrooms because it requires less space than an elongated toilet.

Kohler is one of the most trusted toilet brands when it comes to the production of outstanding home appliances. 

It has a round bowl that enables it to fit in all bathrooms even the small ones. It also allows both soft and heavy flush. The left hand nested lever provides a heavy flush of 1.6 and 1.1 gallons per flush for the light flush. This means that it is water efficient and will have no effect on your water bill.

The green handle is made of plastic for small flush while the other is for a heavy flush.

This toilet does not come with a seat. Also, it does not come with a wax ring, water supply line or floor bolts. You will need to purchase those 3 items separately.


  • Durable canister design
  • Clear Waste in One Flush
  • Easy to install
  • Universal read seal which lasts long
  • Round front bowl
  • Leak-free performance


  • Noisy flushing
  • Not the best for tall people

Factors to Consider When Buying a Dual Flush Toilet

If you are still not sure the best toilet you should buy, here are some important tips you should consider.

Toilet seat – You can either choose an elongated or round front bowl. The elongated toilet seat is more comfortable than the round toilet.

Bidets – The best dual flush toilet should be able to accommodate a bidet seat. The best thing about bidet toilets is that they are more hygienic than the standard toilets. Check our list of Top 7 Bidet Toilets.

Appearance – Ensure that the toilet you have chosen matches well with your bathroom décor. You should also consider the size of your bathroom to ensure that your pick will fit perfectly.

Installation – Look for a toilet that is easy to install. It should also come with clear instructions on how to install it. Check out the Toilet installation cost.

Price – When buying a dual-flush toilet, cheap ones are not the best. Most of the cheap toilets are not functional and may not last for a long time. Since buying a toilet is a long-term investment, you need to consider the best irrespective of price.

Water usage – The main purpose of buying a dual-flush toilet is to help you cut your water bills. The best option should have to use 0.8-1.28 gpf.

Final Verdict

Investing in the best dual flush toilet is one of the right investments you can ever make. Think about the amount of water your toilet consumes every year. The best thing is that all the above units will save your money in the long run. Irrespective of your budget, you will still find a toilet that matches your requirements from the above products.

All the products in this list have a high rating on various review sites. Apart from that, they come with wonderful features to enhance their functionality. When selecting the best, you just need to consider the price, features and customer reviews on Amazon. We have even included the product links of various products to make your work easier. Make a decision today to upgrade your restroom with any of them and you notice a very big difference.

Leave a Comment