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Costco Bidet Comparison - April 2026
| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.6Exceptional | 4 Best Value  9.4Excellent | 5  9.3Excellent | 6  9.1Excellent | 7  9.0Excellent |
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ModelBio Bidet BB2000 Bliss Electric Bidet Toilet Seat, Warm Water with Air Dryer, Heated Seat with Sensor and Slow Close Lid, Night Light, Remote Control, Elongated, White | Model TOTO® WASHLET® C5 Electronic Bidet Toilet Seat with PREMIST and EWATER+ Wand Cleaning, Elongated, Cotton White - SW3084#01 | Model ALPHA BIDET JX2 Elongated Bidet Toilet Seat, White, Endless Warm Water, *NEW* Bowl Mist, LED Light, Quiet Operation, Wireless Remote, Stainless Steel Nozzle, Sittable Lid, 3 Year Warranty | Model LUXE Bidet NEO 120 - Single Nozzle, Self-Cleaning, Non-Electric Bidet Attachment for Toilet Seat, Adjustable Water Pressure, Rear Wash (White) | Model SmartBidet® SB-1000WE Electric Smart Bidet Toilet Seat with Heated Seat, Warm Air Dryer, Temperature Control Wash, and Remote Control, Elongated Seat | Model TOTO® WASHLET® A2 Electronic Bidet Toilet Seat with Heated Seat and SoftClose® Lid, Elongated, Cotton White - SW3004#01 | Model Tadashi Bidet Toilet Seat Elongated, Heated Toilet Seat, Instant Warm Water & Dryer, Feminine & Rear Wash, Self-Clean Nozzle, Slow Close Lid, Child/ECO/Silent Mode |
BrandBioBidet | Brand TOTO | Brand ALPHA BIDET | Brand LUXE Bidet | Brand SmartBidet | Brand TOTO | Brand Tadashi |
Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Features | ||||||
Gentle 9.6 | Gentle 9.4 | Gentle 9.4 | Gentle 9.1 | Gentle 9.6 | Gentle 9.4 | Gentle 8.6 |
Easy installation 9.6 | Easy installation 9.4 | Easy installation 9.4 | Easy installation 9.6 | Easy installation 9.8 | Easy installation 9.6 | Easy installation 8.9 |
Temperature control 9.6 | Temperature control 9.9 | Temperature control 9.6 | Temperature control 9.3 | Temperature control 9.4 | Temperature control 9.8 | Temperature control 9.1 |
Remote control 9.4 | Remote control 9.6 | Remote control 9.6 | Remote control 9.3 | Remote control 9.4 | Remote control 9.8 | Remote control 9.1 |
Tech Specs | ||||||
colorWhite | color Cotton White | color White | color White | color SB-1000 | color Cotton White | color White |
batteries includedYes | batteries included Yes | batteries included Yes | batteries included No | batteries included Yes | batteries included No | batteries included No |
included componentsBidet Seat, wireless remote, mounting hardware, connecting components & instructions | included components Installation Hardware, WASHLET Bidet Seat | included components Mounting Hardware, Remote Control | included components NEO 120 Bidet Attachment | included components Bidet Seat, Plumbing Fixture, Toilet Seat | included components Installation Hardware, WASHLET Bidet Seat | included components Bidet, Installation Accessory Set, Manual, Quick Start Guide, Remote |
product dimensions20.9"L x 15.43"W | product dimensions 20.88"L x 15.06"W | product dimensions 20.8"L x 15.1"W | product dimensions 17 x 10 x 3 inches | product dimensions 23"L x 20"W | product dimensions 20.94"L x 18.63"W | product dimensions 20"L x 14.7"W |
item weight15.42 pounds | item weight 15.5 pounds | item weight 10.9 pounds | item weight 0.16 ounces | item weight 11.9 pounds | item weight 15 pounds | item weight 11.82 pounds |
item package quantity1 | item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity 1 |
materialStainless Steel | material Plastic | material Stainless Steel | material Plastic | material Plastic | material Plastic | material Stainless Steel |
stylePremium Bidet | style C5 | Classic Lid | style JX | style Attachment | style SmartBidet | style Adjustable | style Smart luxury style |
batteries requiredYes | batteries required Yes | batteries required No | batteries required No | batteries required Yes | batteries required No | batteries required No |
shapeOval | shape Oval | shape Oval | shape - | shape Oval | shape Oval | shape Oval |
sizeElongated | size C5 Elongated | size Elongated | size 17 x 10 x 3 inches | size Elongated | size - | size 20 inches x 14.7 inches |
patternElongated | pattern Toilet Seat | pattern Toilet Seat | pattern - | pattern Bidet Seat | pattern Toilet Seat | pattern - |
warranty descriptionManufacturer warranty covers US and Canada customer purchases for 3 years | warranty description Manufacturer One Year Limited | warranty description 3 year manufacturer's warranty serviced by Alpha Bidet covering 100% of parts and labor costs from the date of purchase | warranty description 18 month warranty for bidet and its accessories | warranty description - | warranty description Manufacturer One Year Limited | warranty description - |
battery cell typeAlkaline | battery cell type Alkaline | battery cell type Alkaline | battery cell type - | battery cell type Alkaline | battery cell type - | battery cell type - |
batteries2 AAA batteries required. (included) | batteries 2 AA batteries required. (included) | batteries 1 AA batteries required. (included) | batteries - | batteries 2 AAA batteries required. (included) | batteries - | batteries - |
Review | Review - | Review | Review | Review - | Review | Review - |
Available On  | Available On  | Available On | Available On  | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1BioBidetBio Bidet BB2000 Bliss Electric Bidet Toilet Seat, Warm Water with Air Dryer, Heated Seat with Sensor and Slow Close Lid, Night Light, Remote Control, Elongated, White
9.6 Gentle9.6 Easy installation9.6 Temperature controlWhy we love it
Easy to install without a plumber.
Heated seat for comfort.
Reduces toilet paper usage.
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9.8
2TOTO
TOTO® WASHLET® C5 Electronic Bidet Toilet Seat with PREMIST and EWATER+ Wand Cleaning, Elongated, Cotton White - SW3084#01
9.9 Temperature control9.6 Remote Control9.4 GentleWhy we love it
Customizable settings for personalized comfort.
Easy installation with included hardware.
Heated seat enhances comfort in cold weather.
-
9.6
3ALPHA BIDET
ALPHA BIDET JX2 Elongated Bidet Toilet Seat, White, Endless Warm Water, *NEW* Bowl Mist, LED Light, Quiet Operation, Wireless Remote, Stainless Steel Nozzle, Sittable Lid, 3 Year Warranty
9.6 Temperature control9.6 Remote Control9.4 GentleWhy we love it
Continuous warm water supply.
Easy installation process.
Comfortable heated seat.
Our ranking system
At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
