10 Best One Piece Toilets 2026 in the United States

The Moen 5-Series White Tankless Bidet One Piece Toilet combines modern bidet features with the convenience of a one-piece design. Its elongated (oblong) bowl shape offers comfort for most users, and the wall-mounted style saves floor space, though it may require professional installation. The tankless system provides instant water heating, delivering continuous warm water for bidet functions such as front and rear cleansing with adjustable pressure and temperature, offering customization and enhanced hygiene. Features like UV sterilization and self-cleaning nozzles reduce maintenance needs.

The seat includes soft-close and heated sensor controls for added comfort, while various flush options, including automatic and remote controls, enhance convenience and cleanliness. The toilet is made from plastic, which may not feel as sturdy or premium as ceramic or porcelain finishes commonly found in other models.

This toilet is ideal for users seeking advanced hygiene features and comfort in a sleek, space-saving design. Potential buyers should consider the installation complexity due to its wall-mounted, tankless design and verify water efficiency if that is a priority.

The EPLO Smart Toilet Bidet U8MAX is a one-piece elongated toilet designed for those seeking advanced hygiene and comfort features. Its standout strength is the powerful but quiet flush system with a top-tier 1000 grams MaP score, which efficiently clears waste while using water economically via a dual flush option (1.6 gallons full flush and 1.1 gallons half flush). The elongated bowl shape offers added comfort over round bowls, and its ADA comfort height (about 17.4 inches from floor to seat) makes sitting and standing easier, particularly for seniors or people with mobility issues. Made from durable ceramic with a smooth finish, it includes a polypropylene seat that is heated and features an automatic open-close lid and flush for hands-free convenience, which adds a modern, hygienic touch. The innovative foam shield helps reduce splashback, keeping the bowl cleaner after each use.

This model also functions as a bidet, offering multiple wash modes with adjustable water pressure, temperature, and an upgraded air dryer that speeds up drying and reduces toilet paper use. Additional luxuries like deodorization, nightlight, and temperature sensing enhance the user experience throughout the year. On the downside, it is quite heavy (116 pounds), meaning installation may require assistance, and the advanced features might involve a steeper learning curve for first-time users. Also, it is floor-mounted, so it fits standard bathrooms but may not suit every space or plumbing setup.

This toilet suits anyone wanting a smart, luxurious, and hygienic bathroom upgrade with reliable flushing and comfort, but it might be more than necessary for those seeking a simple, budget-friendly option.

The Casta Diva Smart Toilet CD-U010Pro is a high-tech one-piece toilet that combines advanced comfort and cleanliness features, making it a strong choice for anyone looking to upgrade their bathroom with smart technology. It has an ADA-comfort height of 20 inches, which is slightly taller than standard toilets, making it easier to sit and stand—great for people with mobility concerns. The ceramic construction is durable and easy to clean, while the plastic seat includes a built-in bidet offering multiple wash modes with warm water and a self-cleaning nozzle for hygiene.

One of its standout features is the 360° siphon flushing system certified to a strong 1000 MaP rating, meaning it efficiently clears waste with less water, saving water while ensuring a thorough flush. The built-in tank allows it to work independently of water pressure, and a blackout flush function keeps it functional even during power outages. The toilet also uses a unique foam barrier to reduce splashes and odors, which improves user comfort and cleanliness.

The smart technology extends to adaptive temperature control for the seat, water, and air, automatically adjusting to the environment, plus an intuitive touchscreen and foot sensor for hands-free operation. Artistic lighting with soft LED colors adds an ambient touch, useful as a nightlight. The flushing and seat functions are whisper-quiet, enhancing comfort for nighttime use. On the downside, the seat is made of plastic rather than more premium materials like wood or cushioned vinyl, which some might find less comfortable or durable over time. Also, the advanced features may require a learning curve and careful setup, and the price might be higher than standard toilets due to its tech-packed design. This smart toilet is well suited for users seeking a technologically advanced, water-efficient, and comfortable one-piece toilet with smart bidet capabilities and hands-free convenience, especially those valuing hygiene and adaptive comfort.