"Smart toilet" is a category fence with no formal definition. Marketers apply it to anything from a $200 toilet with a soft-close seat to a $7,000 fixture with Bluetooth speakers. Here's the feature stack you actually care about, ranked by how often US owners say it changed their daily life.
Smart toilet features that genuinely matter (in priority order)
- Heated seat — the most life-changing feature in a cold-climate bathroom. The reason people who try a smart toilet rarely go back. ~30W draw, thermostat-adjustable.
- Integrated bidet wash — see our dedicated bidet toilet facet. Cleaner, dryer, less paper. Requires water + electric in close proximity.
- Night light — soft blue LED ring that activates when ambient light drops. Genuinely useful for nighttime use; reduces wake-the-household bathroom-light moments.
- Auto open / close lid — motion sensor opens lid as you approach, closes after departure. Often paired with auto-flush. Convenience feature; some find the motor noise annoying.
- Foot-sensor flush — wave your foot under the front of the bowl to flush. Touchless; useful in shared bathrooms.
- Tankless / instant water heating — eliminates the tank reservoir, no waiting for the bidet to warm up. Found on TOTO Neorest and most Kohler smart toilets. Adds $500–$1,500 to the price tag.
- Self-cleaning bowl / nozzle — UV light, electrolyzed water mist (TOTO EWATER+), or pre-mist that wets the bowl before each use to reduce buildup. Real but not dramatic.
- Air dryer — replaces toilet paper after bidet wash. Slow (90+ seconds for full dry). Most owners report still using a few squares.
- App / Alexa / voice control — Kohler Numi has it; few owners use it after the novelty. Skip if it's the only differentiator.
- Bluetooth speakers, mood lighting — gimmicks. The Kohler Numi includes them; we don't recommend choosing a toilet over them.
The five smart toilets worth considering in 2026
- TOTO Neorest 750H ($5,200) — the engineering gold standard. CeFiONtect glaze, EWATER+ sanitization, ACTILIGHT UV pre-mist, dual-flush 1.0/0.8 GPF. 10-year warranty on the toilet itself.
- Kohler Numi 2.0 ($6,800) — broadest feature set. Mood lighting, Alexa, speakers. Best if "I want everything" is the brief.
- TOTO Washlet+ S550e on Drake bowl ($2,200) — most smart-toilet experience per dollar. Drake bowl is workhorse-rated for flush performance; S550e seat adds heated seat, wash, dryer.
- Kohler Veil ($3,800) — slim, modern design with full integrated wash. Less expensive than Numi, fewer gimmicks.
- Horow HWMT-8733 ($1,600) — full feature set for under $2k. Quality consistency lags Japanese brands but the value proposition is real if budget is the constraint.
The install requirement nobody warns you about
You need a GFCI electrical outlet within 3 feet of the toilet base, on a 15-amp dedicated circuit ideally. Most US bathrooms don't have one. Cost to add: $150–$450 depending on access. Plan this in before you click buy. The other consideration: water-line connection is typically 3/8" compression with a built-in tee for the integrated wash supply; if you have an older 1/2" rough plumbing, you'll need an adapter.