Home » Bidet Toilet Seats » Toto C100 Review 2021 [Washlet Electronic Bidet Toilet Seat]

Toto C100 Review 2021 [Washlet Electronic Bidet Toilet Seat]

If you’re looking for a budget-friendly bidet toilet seat, then you can’t go wrong with the Toto C100 electronic bidet seat. This toilet seat may be cheap, but it doesn’t mean that it lacks in terms of features. The bidet seat comes with all the features that you can desire in a quality washlet. These include a heated seat, adjustable water pressure and temperature, soft-closing seat, self-cleaning nozzle, warm air dryer, air deodorizer, and a control panel for ease of use. Read this Toto C100 review to know more about this electronic bidet toilet seat.

Related: Toto C200 Review [C200 Washlet Electronic bidet toilet seat]

In this review, we’ve highlighted all the essential features that you need to know before thinking of buying the C100 electronic bidet seat. Furthermore, we’ve included the pros and cons to help you understand what to expect from the toilet seat.

Technical Specifications of Toto C100 washlet Electronic bidet toilet


Toto C100 bidet seat

Material: Plastic
Style: Modern
Size: Elongated
Color: White
Temperature Range: 95 – 104 °F
Coverage: 15 Amperage
Dual-action spray: Yes
Batteries: 2 AA batteries are required. (included)
Do-it-yourself installation: Yes
Warranty: One Year Limited
Deodorizer: Yes
Air dryer: Yes
Slow closing lid: Yes
Weight: 16 pounds
Dimensions: 23.5 x 20.5 x 9 inches
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The Toto C100 bidet toilet seat is built for elongated bowl toilets. Read this full review to find out more.

Toto C100 Review 2021

Sleek and elegant construction

The Toto washlet C100 bidet seat brings luxury and comfort to your bathroom. This smart toilet features a sleek and elegant design that will also complement any modern bathroom. It comes with two color options, which will easily match your bathroom décor.

When it comes to installation, simply follow the manufacturer’s instructions and install them easily and quickly. You don’t need a plumber to help you out.

Convenient control panel

It comes with a convenient control panel that is located on the right-hand side of the toilet. This allows the user to access different settings quickly and efficiently while seated. Get to choose different settings with a touch of a button such as water, power, seat, rear wash, energy saver, water pressure, front wash, and much more.

Related: Best Bio Bidet Review [Most Popular 7 Smart Bidet Toilet Seat]

Self-cleaning nozzle

The Toto C100 bidet seat offers the user three different cleansing functions. These include a front, soft rear, and rear. The front spray is for a feminine wash, while the soft rear uses mild water pressure to clean you. Last but not least, the rear wash cleanses with a full spray. All of these spray settings feature an oscillating function that provides massage.

Soft-closing seat

In our TOTO Washlet C100 Review, you might find that this is one of the most amazing features. One of the advantages that most bidet toilet seats have over ordinary toilets is the slow-closing seat that they come with. It is the same with the Toto C100. The slow-closing seat and cover ensure that the toilet closes slowly and soundly.
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Adjustable warm water and pressure settings

The C100 may be cheap, but it is worth every coin. During different times of the day or season, you can set different water temperatures and pressure settings. This electronic bidet seat gives you an option of five water pressure levels and varying temperatures to choose from. Pick a temperature that you feel comfortable with during different times of the day.


The Premist functions make this seat easy to clean as there is little to no scrubbing required. The moment you sit on the toilet, it will mist it and prevent solid waste from sticking to the bowl. As a result, you won’t be required to scrub the toilet hard during cleaning.

Heated seat

Another outstanding feature of this toilet is the heated seat. The seat remains warm all the time unless the energy saver or smart function is turned on after a long period of idling. However, during normal use, you will love that you can adjust the seat’s temperature to suit your needs.

Warm air dryer

To save the environment and maintain high hygiene levels, the Toto C100 bidet seat offers you a warm air dryer. The dryer dries you after being cleaned with a cleaning wand. So, no more wastage of toilet paper.

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Air deodorizer

It is not easy to find an air deodorizer in entry-level bidet toilets. But that’s the case with the Toto C100 bidet seat. This unit features a built-in bidet that absorbs odors in the air, leaving the toilet smelling fresh and pleasant. Thanks to the clean filter that is included.

Energy saver

A unique feature of the Toto C100 electronic bidet seat is the energy saver function. The energy saver mode turns on when the toilet seat stays idle for long, such as during bedtime and daytime hours when people are not at home.
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It is also a smart feature that detects when people are using the toilet and when they are not using it. The bidet seat takes about ten days to learn this habit and turn on the mode. When the toilet seat is on energy saver mode, you will notice a green LED light. Things like water and seat temperature will be turned down to save on electricity.

Two user memory settings

With two user settings, you won’t have trouble using the toilet as you can select a setting that you prefer.

Related: Bio Bidet BB2000 Review [Bliss Smart Toilet Seat]

1-year warranty

You can relax knowing that this bidet seat is covered just in case it comes with damage or any form of defect. The manufacturer offers a one-year warranty.


Toto C100 is a mid-ranged bidet toilet seat that costs around 350$-450$, which is typically cheaper than the Toto C200 model. So if you are a budget-shopper, then this affordable toilet seat would be an excellent option for you. You will get all the advanced core features in this budget range.

Summary: Why buy Toto C100 electronic bidet toilet?

  • Sleek and sturdy construction
  • A self-cleaning wand cleans your nether area instead of tissue paper
  • The toilet stays cleaner for longer with the Premist function
  • The soft-closing seat doesn’t slam
  • Easy to use with the convenient remote control panel
  • Elongated bidet seat design offers added comfort
  • A warm air dryer keeps you cleaner when compared to toilet paper
  • Simple to install as all the required hardware is included in the purchase
  • Toto washlet c100 energy saving toilet offers a One-year warranty
  • C100 comes with a Seat and Water temperature control mechanism that saves energy during the off period.

Cons of the Toto C100 bidet

  • It doesn’t come with a night light, and the Reservoir tank is quite large.
  • It lacks pulsating massage function.
  • The seat may not fit on all elongated bowl toilets

The Toto C100 electronic bidet seat is an affordable toilet with outstanding features. It is a perfect unit for an individual on a budget. Made by one of the best toilet brands on the market, the Toto C100 bidet seat boasts of a broader range of functions. These include a luxurious design—Control panel, air deodorizer, warm air dryer, heated seat, self-cleaning nozzle, and much. Apart from the usual bidet toilet seat features, the unit also comes with some special functions such as the Premist and smart technology functions.

With such fantastic features, the Toto C100 is one of the best budget-friendly Washlets on the market. Besides, the buyer gets a one-year warranty from the manufacturer. We hope after reading this Toto C100 review, you can now make a well-informed decision before acquiring this bidet seat.


Question: Can I install this Toto C100 bidet toilet seat on any elongated bowl toilet?
Answer: No, you can’t. This is because some toilet designs will not allow you to install this seat. Thus, it is crucial to make sure that your toilet has a minimum distance of 2-inches between the center of the installation holes and the tank’s front-most face. Besides, you should also make sure that the toilet bowl is of an elongated design as this particular unit comes with an elongated bidet seat. Toto offers another C100 round bowl design for people with round bowl toilets.

Question: Are the plumbing fixtures on this toilet seat metric or standard?
Answer: Many people think that installing this washlet is challenging, but it is not. This is because it comes with an adapter that connects directly to the toilet tank on the fill valve stem. Afterward, connect it to the fill valve; you have to reconnect your water supply hose. Many people are confused because they think the adapter should be connected directly to the wall’s water supply valve.

Always check the instructions clearly as they explain two different installation methods depending on the country you’re located in.

Still have questions after reading this Toto C100 review article? Comment below.

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