Bio Bidet BB-500 vs Bemis Renew Wash
Quick take: Only the Bemis Renew Wash has a warm-air dryer.
| Spec | Bio Bidet BB-500 | Bemis Renew Wash |
|---|---|---|
| Price | $199 | $199 |
| Rating | 4.2★ (265) | 4.4★ (63) |
| Type | Electric Bidet Seat | Electric Bidet Seat |
| Water Heating | Tankless (Instant Heat) | Tankless (Instant Heat) |
| Controls | Control Dial | Side Control Panel |
| Toilet Fit | Elongated only | Elongated & Round versions |
| Power | Needs GFCI outlet within 4 ft | Needs GFCI outlet within reach |
| Spray Pressure | Adjustable knob pressure | Adjustable pressure & temperature |
| Nozzle | Dual self-cleaning nozzles | Self-cleaning nozzles |
| Install | 20-30 min DIY | 30-45 min DIY |
| Warm water | Yes | Yes |
| Heated seat | Yes | Yes |
| Warm air dryer | No | Yes |
| Wireless remote | No | No |
| Night light | Yes | Yes |
| Deodorizer | No | No |
| Self-cleaning nozzle | Yes | Yes |
| Feminine wash | Yes | Yes |
| Warranty | 1-year full | 1-year limited |
Pros & cons
Bio Bidet BB-500
- ✓Instant heater means warm water never runs out — at $199 that undercuts every tank-heater rival like the SmartBidet SB-1000 that goes cold in ~30 seconds
- ✓At roughly 3.5 inches it's one of the lowest-profile electric seats sold, closer to a normal toilet seat than the tall wedge look of the BB-1000 or USPA 6800U
- ✓Single knob control is genuinely elderly- and guest-proof: turn for pressure, press to switch washes — no remote to lose or misread
- ✓Dedicated front/feminine wash plus turbo and massage modes, coverage the similarly priced Toto Washlet A2 charges more for
- ✓Mechanical backup lets you keep washing (ambient temperature) during a power outage — rare at any price
- ✓Heated seat with three presets and a soft blue night light round out features usually missing under $200
- ✓Dual self-cleaning nozzles rinse before and after each use, and owners note less splatter buildup than single-wand budget seats
- ✓Whisper-close lid and 7-lb weight make it the easiest Bio Bidet electric to install — most owners report 20 minutes with hand tools
- ✗No dryer at all — Bio Bidet reserves it for the $229 BB-550, so budget for TP either way
- ✗Instant heater runs warm, not hot: multiple Amazon reviewers say max temperature is 'pleasantly tepid,' noticeably cooler than the BB-2000's hybrid system
- ✗Elongated only, with no round version even planned
- ✗No deodorizer, no remote, no user presets — the knob resets to whatever the last person dialed in
- ✗Knob sits low on the right side; larger owners and those with limited mobility report having to lean awkwardly to reach it
- ✗Spray pressure is modest — fine for daily use, but r/bidets pressure-chasers call it a step down from the BB-1000's firehose
- ✗Only 4.2 stars on Amazon with some early units developing clicking valves or dead heaters inside a year
- ✗1-year warranty feels thin for a seat you hope lasts five, and Bemis support requires the original receipt
Bemis Renew Wash
- ✓Unlimited tankless warm water at $199 - the Alpha iX Pure charges $299 and the SmartBidet SB-2600 $300 for the same core tech
- ✓Stocked in the aisle at Home Depot nationwide: see it, buy it, return it, no drop-ship gamble
- ✓Warm-air dryer and night light included at a price where most rivals strip both
- ✓Bemis makes more toilet seats than anyone in the US - the hinge fit and seat feel beat Korean imports at twice the price
- ✓Antimicrobial seat material is a genuine differentiator no other seat we track offers
- ✓Front and rear wash with self-cleaning nozzles covers the full hygiene basics
- ✓Backed by the same parent company as Bio Bidet, so parts and support have a real US organization behind them
- ✓Heated seat plus tankless heat on a standard outlet - no special wiring beyond the usual GFCI
- ✗Side panel only - no remote at any price, and no wall-mountable control option
- ✗No deodorizer, the clearest cut versus the $279 SmartBidet SB-1000's carbon filter
- ✗Only 63 reviews so far - the 4.4 average is promising but young compared to battle-tested Bio Bidet lines
- ✗1-year warranty is half what Brondell gives the similarly priced Swash 300
- ✗No user presets or child mode - settings reset to whoever adjusted last
- ✗Dryer is entry-grade and slow, in line with everything under $350
- ✗Launched July 2025, so long-term durability data simply doesn't exist yet
- ✗Bemis positions it below Bio Bidet on purpose - power users will outgrow it and trade up within a year or two