The Best Bidet Toilet Seats of 2026: TOTO WASHLET vs. Kohler, Bio Bidet and Brondell
By Claire Whitmore. Updated October 2026.
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Ask anyone who has spent a week in Tokyo what they miss most, and a surprising number will say the toilet. Japan made the heated, washing toilet seat ordinary decades ago. TOTO says it has sold more than 60 million WASHLETs worldwide since launching the line in 1980. In American homes it’s still treated as a novelty, which is a shame, because a bidet seat is one of the few bathroom upgrades that changes something you do several times a day, and you don’t need a remodel to get one.
The good ones bolt onto the toilet you already have. Most install in an afternoon. The hard part is choosing, because the spec sheets all start to look alike: warm water, heated seat, dryer, remote. Below I’ve sorted out what actually separates the best-known seats, starting with the one everyone compares against, the TOTO WASHLET.
Our picks at a glance
| Bidet seat | Standout features | Fits | Warranty (per brand) | Where to buy |
|---|---|---|---|---|
| TOTO WASHLET S7A | Auto open/close lid, PREMIST, EWATER+, instantaneous water heater | Elongated | See TOTO | Check current price |
| TOTO WASHLET S5 | PREMIST, EWATER+ wand cleaning, remote with four user presets | Elongated or round | One-year limited | Check current price |
| Kohler PureWash E930 | UV nozzle cleaning, bowl mist, app and voice control | Elongated | Three-year limited | Check current price |
| Bio Bidet Discovery DLS | Auto open/close, UV sterilization, low profile | Elongated | Five-year | Check current price |
| Brondell Swash 1400 | Dual stainless steel nozzles, endless warm water, two user presets | Elongated or round | Three-year tiered | Check current price |
| TUSHY Classic 3.0 | Non-electric attachment, no outlet needed | Most elongated and round toilets | See TUSHY | Check current price |
No exact prices here. Bidet seats are discounted often, and the same model can vary a lot between retailers. As a rough guide, the Kohler E930 and the TOTO seats list highest, the Brondell and Bio Bidet usually cost less, and the TUSHY costs a fraction of any electric seat.
How we chose
I didn’t install these seats for this guide, and I’m not going to pretend otherwise. This list comes from research: manufacturer spec sheets and installation guides, warranty terms published on each brand’s website, owner reviews and the fit requirements each brand lists. All specs were checked on the brands’ own pages in October 2026.
I looked hardest at four things, because they’re what owners talk about after the first month:
- How the water is heated. Seats with an instantaneous or on-demand heater don’t run cold partway through a wash. Some seats use a small tank instead.
- How the wand stays clean. Self-rinsing nozzles are standard now. Some seats go further with electrolyzed water or UV light.
- Warranty length. These are electronics living next to water. A longer warranty is worth something.
- Fit. A great seat that overhangs your bowl or hits your tank is a return, not an upgrade.
TOTO WASHLET S7A: the one to beat
TOTO invented the category in its modern form, and the S7A, launched in August 2023, is its current flagship among standalone bidet seats. The A stands for auto. A sensor opens the lid as you walk up and closes it after you leave, and you can set it to lift the seat too.
Beyond that, the feature list is the full TOTO package: continuous warm-water washing from an instantaneous heater, a heated seat, a warm-air dryer, a catalytic deodorizer in the bowl and a night light. Two TOTO features are the real reason people pay for the brand:
- PREMIST sprays a fine mist of water into the bowl before you use it, so waste is less likely to stick.
- EWATER+ mists the bowl and the wand with electrolyzed water after use. TOTO explains that it’s made from ordinary tap water and reverts to regular water over time, with no added chemicals.
The seat, wand and core unit use TOTO’s CLEAN RESIN material, and the seat is built in one piece with no crevice for grime to collect in. It’s elongated only, in Classic or Modern lid styles. The S7A can also pair with compatible TOTO toilets as a WASHLET+ set, which TOTO sells as a more integrated look. If you’re buying a new toilet anyway, that’s worth looking at.
TOTO WASHLET S5: TOTO’s signature features for less
The S5 is the mid-range TOTO most people should look at, and it replaces the discontinued C5 that used to fill this slot. You give up the automatic lid and some of the S7A’s design touches, but you keep the two features that matter most: PREMIST before each use and EWATER+ cleaning of the wand, which you can also trigger on demand from the remote.
It has a heated seat with temperature control, a warm-air dryer with three temperature settings, an automatic air deodorizer and a dual-action spray that can oscillate or pulse, with adjustable water temperature and volume. The wireless remote stores four users’ settings, and a seamless seat, CLEAN RESIN coating and a bowl night light round it out. It doesn’t have auto flush or EWATER+ for the bowl; those start at the S7.
The S5 comes in elongated (SW3446) and round (SW3445) versions, with a list price of about $832. It carries a one-year limited warranty, shorter than several rivals here, so factor that in.
Kohler PureWash E930: the smart-home pick
Kohler’s E930 is the most connected seat on this list. The handheld remote stores two user presets, and the KOHLER Konnect app lets you set preferences from your phone. Kohler says the app pairs with Amazon Alexa and Google Home for voice control.
The cleaning features compete directly with TOTO’s. The bowl is misted automatically before use, and a self-cleaning function uses UV light on the wand. You also get continuously heated water, front and rear washing with oscillating or pulsating spray, a heated seat with adjustable temperature, a warm-air dryer, a deodorizer, LED bowl lighting that works as a night light and a Quiet-Close lid and seat.
It’s elongated only. Kohler’s spec sheet points to a three-year limited warranty, which beats TOTO’s S5. If you already run a smart home, or several people with very different preferences share the bathroom, this is the one I’d look at first.
The Discovery DLS covers most of what you’d find on a flagship seat. There’s an automatic open and close lid and seat, unlimited warm water, a heated seat, a warm-air dryer, a stainless steel nozzle and UV sterilization of the nozzle after each use. Bio Bidet also offers a “dynamic stream” option that alternates warm and cool water, plus oscillation.
The big draw is the warranty. Bio Bidet lists a five-year warranty covering 100 percent of parts and service, the longest on this list. It’s also a low-profile design, so it looks less bulky on the toilet than some seats, and the wireless remote comes with a wall mount.
Practical details from Bio Bidet: the elongated seat measures about 15.9 by 20.8 inches, and the power cord is 4 feet long, so you’ll need a GFCI outlet within that reach.
Brondell Swash 1400: the value pick for families
Brondell’s Swash 1400 is the brand’s top seat, and it’s very complete. A ceramic-core heater warms water on demand, so the warm water doesn’t run out. You get dual stainless steel nozzles (separate front and rear), seven nozzle positions, adjustable spray width and pressure, a four-level warm-air dryer, a heated seat, an LED night light and a carbon block deodorizer that filters the air rather than perfuming it.
The remote saves settings for two users and docks magnetically. The seat has a quick-release button for cleaning underneath, and there’s an eco mode. It’s offered in elongated and round versions, which makes it one of the few higher-end seats here that fits a round bowl.
Two things to note. The warranty is a three-year tiered plan: 100 percent of parts and labor in year one, 75 percent in year two and 50 percent in year three. And Brondell says the distance from the center of your toilet’s bolt holes to the tank must be at least 1.5 inches, so measure before you buy.
TUSHY Classic 3.0: if you don’t have an outlet
This isn’t a bidet seat. It’s a slim attachment that sits under your existing toilet seat and runs on your toilet’s water pressure, with no outlet, batteries or cord. The water is cold, there’s no dryer and no heated seat. TUSHY says it fits most elongated and round toilets and installs in about 10 minutes, with adjustable pressure and spray angle and a self-cleaning, retractable nozzle.
I’m including it because plenty of bathrooms have no outlet near the toilet, and adding one is a job for an electrician. The TUSHY is a cheap way to find out whether you like washing before you commit to wiring and a premium seat.
Buying advice
Measure your toilet first
Measure from the center of the two seat bolt holes to the front edge of the bowl. Brondell’s guidance is typical: about 18 to 19.5 inches means elongated and about 16.5 to 17.75 inches means round. Also check the space between the bolts and the tank, since bidet seats have a control unit at the back. Skirted and one-piece toilets can be tricky, so check the manufacturer’s fit chart. TOTO publishes one for WASHLETs.
Plan for power
Every electric seat here needs a grounded outlet near the toilet. Bio Bidet specifically calls for a GFCI outlet, and Kohler warns against extension cords. If you don’t have an outlet within reach of the cord, budget for an electrician. It’s the most common surprise for first-time buyers.
On-demand heating is worth it
Seats that heat water as it flows, like the S7A, Brondell Swash 1400, Bio Bidet DLS and Kohler E930, keep the water warm for as long as you use it. Tank-style heaters can cool down during a long wash. If several people use the bathroom back to back, it makes a real difference.
Pick the cleaning system you’ll actually appreciate
Self-rinsing nozzles are standard. TOTO’s EWATER+ and the UV systems on Kohler and Bio Bidet go further, and bowl misting (TOTO’s PREMIST, Kohler’s pre-use mist) means less scrubbing. If you hate cleaning the bathroom, those features are where the money goes.
Finish the room
A bidet seat tends to start a chain reaction. Once the toilet is this comfortable, the rest of the bathroom starts to feel behind. Our guides to luxury shower heads, luxury bath towels and luxury bathrobes cover the next steps.
FAQ
Is a TOTO WASHLET worth the money?
If bowl and wand hygiene matter most to you, TOTO’s PREMIST and EWATER+ combination is the reason to buy it, and the brand has the longest track record in the category. If you want the longest warranty or app control, Bio Bidet and Kohler give you more on those fronts.
Can I install a bidet seat myself?
Usually, yes. Brondell and Bio Bidet both design for DIY installation, and the seats connect to your toilet’s existing water supply with a T-valve. The harder part is power. If there’s no outlet near the toilet, hire an electrician to add one.
Will a bidet seat fit my toilet?
Most fit standard two-piece toilets. Measure the bowl, confirm whether it’s round or elongated and check the manufacturer’s compatibility chart. Some designer and one-piece toilets aren’t compatible.
Do bidet seats use a lot of electricity?
They draw power for heating water, the seat and the dryer. Several models include an energy-saving setting. The Brondell Swash 1400, for example, has an optional eco mode.
Does a bidet replace toilet paper entirely?
A warm-air dryer can, and many owners use far less paper. Plenty of people still use a little for drying, especially on seats where the dryer is slow.
Product details were checked on manufacturer websites in October 2026. Features, prices and warranties change, so confirm the current details before you buy.
Featured photo: “smart bidet toilet in a tiled luxury contemporary bathroom” by PickComfort on Flickr, licensed CC BY 2.0.
