How to Choose a Bidet Toilet Seat
Considering a bidet seat? This guide covers features, compatibility, and installation for electronic bidet seats.
Related: TOTO WASHLET Guide | Toilet Buying Guide | Glossary
What is a Bidet Seat?
A bidet seat replaces your existing toilet seat and provides warm water cleansing. Modern bidet seats include heated seats, warm air dryers, and deodorizers. TOTO pioneered this technology with their WASHLET line.
Key Features to Consider
| Feature | What It Does | Why It Matters |
|---|---|---|
| Warm Water Wash | Heated water cleansing | Essential - main bidet function |
| Heated Seat | Warms toilet seat | Comfort in cold weather |
| Warm Air Dryer | Dries after washing | Reduces toilet paper use |
| Adjustable Spray | Control position, pressure, temp | Personalized comfort |
| Deodorizer | Filters air | Freshens bathroom |
| Night Light | Illuminates bowl | Nighttime convenience |
Installation Requirements
- Electrical Outlet - Must have GFCI outlet within 4 feet of toilet
- Toilet Compatibility - Most fit standard elongated toilets. Measure before buying.
- Water Connection - T-valve included to tap into existing supply line
Round vs Elongated
Bidet seats match toilet bowl shapes:
- Elongated - 18.5 inch bowl (most common)
- Round - 16.5 inch bowl
Measure from mounting holes to front of bowl. See our Toilet Buying Guide for bowl shape details.
Top Bidet Seat Brands
- TOTO WASHLET - Premium quality, eWater+ technology, widest model range
- Bio Bidet - Great value, solid features
- Brondell - Entry to mid-range, reliable
TOTO WASHLET Model Comparison
| Model | Features | Best For |
|---|---|---|
| C2/C5 | Core features, PREMIST | Entry level |
| S500e | Auto open/close, remote | Mid-range |
| S550e | eWater+, full features | Premium |
See our complete WASHLET comparison in the TOTO Brand Guide.
Related Resources
- TOTO Brand Guide - Complete WASHLET information
- Toilet Buying Guide
- Glossary: WASHLET
- FAQ - Shipping and returns