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Updated June 2026 · Researched, not sponsored

Japanese Toilets: What They Are — and How to Get One

A "Japanese toilet" is a high-tech toilet — known in Japan as a washlet — that cleans you with a warm-water spray instead of paper and adds a heated seat, a warm-air dryer, an automatic lid, and a self-cleaning nozzle. You don't have to fly to Tokyo to get one: in the US you can either buy a full integrated Japanese-style smart toilet, or get about 90% of the same experience for far less by adding a Japanese-brand bidet seat (a TOTO Washlet is the original) to the toilet you already own.

The reason these feel so different from a standard American toilet is that Japan treats the bathroom as a comfort space, and one company — TOTO — popularized the electronic washlet in 1980 to the point that heated, washing toilets are now standard in Japanese homes, offices, and train stations. The features that seem futuristic here are simply normal there.

This guide explains exactly what makes a toilet "Japanese," walks through the signature features, and shows the two practical ways to get one in the US — with our researched picks for each path.

See our top Japanese-style smart toilets

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What makes a toilet "Japanese"?

It's the electronics, not the porcelain. A Japanese toilet (washlet) adds a set of features around cleaning and comfort: a warm-water bidet wash with adjustable pressure and position, a heated seat, a warm-air dryer so you can skip paper, an automatic deodorizer, and — on higher models — an auto-opening lid, a night light, and automatic flushing. The premium units also self-clean: TOTO's EWATER+ mists the bowl and wand with electrolyzed water between uses. The common thread is that the toilet does the work that paper and scrubbing do on a standard toilet.

The washlet: where it comes from

"Washlet" is TOTO's brand name for its electronic bidet seat, launched in 1980, and it became so dominant that the word is now shorthand for the whole category in Japan. That heritage is why, when Americans picture a "Japanese toilet," they're usually picturing a TOTO — though Brondell, Bio Bidet, and others now make excellent washlet-style seats too. The key point for a US buyer: the technology that defines a Japanese toilet lives in the seat, which is exactly why you don't need to replace your whole toilet to get it.

Two ways to get one in the US

Path 1 — an integrated smart toilet: a one-piece unit with the washlet built in from the factory (TOTO Neorest, Kohler Veil, Woodbridge, and similar). Seamless look, every feature, $900–$8,000+, and usually a plumber to install because you're swapping the whole fixture. Path 2 — a washlet bidet seat: a Japanese-style electronic seat that replaces your existing seat and gives you warm-water wash, heated seat, dryer, and self-cleaning for $300–$1,400, installed yourself in about 30 minutes. For most people Path 2 delivers the Japanese-toilet experience at a fraction of the cost; Path 1 is for remodels, new builds, or buyers who want the seamless integrated look.

The signature features, explained

Warm-water wash: an adjustable nozzle sprays a warm stream; premium units use tankless (on-demand) heating so it never runs cold. Heated seat: adjustable, genuinely appreciated in winter. Warm-air dryer: dries you hands-free so you use little or no paper (it's slower than paper — plan on a minute or two). Self-cleaning: the nozzle rinses before and after each use; TOTO's PREMIST and EWATER+ also mist the bowl to reduce sticking. Auto lid + auto flush: the lid opens as you approach and flushes when you leave, on higher models. Remote with memory: stores each user's pressure, temperature, and position presets.

What Japanese toilets cost in the US

A washlet bidet seat runs $300–$700 for the mainstream models (TOTO Washlet C5/S5, Brondell, Bio Bidet) and up to about $1,400 for top-of-line seats with auto lids. A fully integrated Japanese-style smart toilet runs from roughly $900 for budget brands (Woodbridge, Horow) to $4,000–$8,000+ for a TOTO Neorest. Because the seat holds the technology, the cheapest honest way to "own a Japanese toilet" is a mid-range washlet seat on the toilet you already have.

Do they need electricity? And installation

Yes — the warm water, heated seat, and dryer all need power, so a Japanese toilet (whether an integrated unit or a washlet seat) requires a grounded, GFCI-protected outlet within about four feet of the toilet. Many newer US bathrooms have one; older ones often don't, so budget $150–$300 for an electrician if needed. A washlet seat otherwise installs in about 30 minutes on your existing water line with an included T-valve; an integrated unit is a full fixture swap most people leave to a plumber.

Two ways to get a Japanese toilet in the US

PathWhat you getCostInstall
Integrated Japanese-style smart toilet (e.g. TOTO Neorest)Everything built in — seamless one-piece unit, top-tier features$900–$8,000+Plumber; needs a nearby outlet
Japanese bidet seat / washlet (e.g. TOTO Washlet) on your toilet~90% of the experience — warm wash, heated seat, dryer, self-clean$300–$1,400DIY in ~30 min; needs a GFCI outlet

Tips & warnings

  • Want the Japanese-toilet experience for the least money? Put a TOTO Washlet (or comparable washlet seat) on your current toilet — it's the same core technology as a Neorest for a fraction of the price.
  • Check for a GFCI outlet near the toilet before buying anything — no nearby outlet is the most common surprise cost.
  • "Washlet," "smart toilet," and "bidet toilet" all overlap with "Japanese toilet" — they describe the same warm-water, heated-seat technology under different names.
  • For an integrated unit, confirm your rough-in (usually 12 inches from the wall to the drain bolts) before ordering.

Frequently asked questions

What is a Japanese toilet?

A Japanese toilet — called a washlet in Japan — is an electronic toilet that cleans you with a warm-water spray and adds a heated seat, a warm-air dryer, a deodorizer, and self-cleaning, plus (on higher models) an auto-opening lid and automatic flush. It replaces paper-based cleaning with water and is standard in Japanese homes.

What is a washlet?

"Washlet" is TOTO's brand name for its electronic bidet seat, introduced in 1980. It became so common in Japan that the word now stands in for the whole category. A washlet is the seat that holds the warm-water wash and heated-seat technology — which is why you can add one to a standard toilet without replacing the whole fixture.

How much does a Japanese toilet cost?

A washlet bidet seat (the affordable path) runs $300–$1,400. A fully integrated Japanese-style smart toilet runs from about $900 for budget brands to $4,000–$8,000+ for a TOTO Neorest. Most people get the full experience for $300–$700 with a mid-range washlet seat on their existing toilet.

Can you get a Japanese toilet in the US?

Yes. TOTO, Brondell, Bio Bidet, Kohler, Woodbridge and others sell both integrated Japanese-style smart toilets and washlet bidet seats in the US. The seat option is the easiest and cheapest way in — it installs on your existing toilet in about 30 minutes.

Do Japanese toilets need electricity?

Yes — the warm-water wash, heated seat, and dryer all require power, so you need a grounded GFCI outlet within about four feet of the toilet. Older bathrooms without one will need an electrician to add it (typically $150–$300). Non-electric bidet seats exist but give a cold-water wash only, without the heated features that define a Japanese toilet.

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