10 Best Dual Flush Toilets 2025 in the United States

The TOTO WASHLET+ Aquia IV is a one-piece, elongated dual-flush toilet designed for floor mounting, making it a good fit for modern bathrooms. It uses 1.28 gallons per flush for solids and 0.9 gallons for liquids, which helps save water compared to traditional toilets. The elongated bowl shape generally offers more comfort. Made from ceramic with a cotton white finish, it’s easy to clean and fits most bathroom styles. The toilet includes a concealed water supply and power cord for the advanced S7 electric bidet seat, which adds features like warm front and rear washing with adjustable water temperature and pressure, a heated seat, automatic deodorizer, and warm air dryer.

The instantaneous water heating ensures you won’t run out of warm water during use. One potential challenge is its weight at nearly 109 pounds, which might make installation a bit more difficult for some. This model is ideal for those looking to combine water-saving dual-flush technology with the luxury and hygiene of a high-end electronic bidet seat in one integrated unit.

The Kohler K-5401-PA-0 Veil Comfort Height Skirted One-Piece Elongated Dual-Flush Intelligent toilet offers a mix of advanced features and modern design. It stands out with its dual-flush technology, allowing users to choose between a full or partial flush, which can be cost-effective and environmentally friendly. The elongated bowl shape and chair-height seating provide comfort, while the tankless design and integrated personal cleansing system give it a sleek, minimalist look.

The toilet also boasts a variety of high-tech features, such as a motion-activated lid, LED lighting, a heated seat with adjustable temperature, and a touch-screen LCD remote control for ease of use. Additionally, the self-cleaning function with UV light and electrolyzed water maintains hygiene, and the emergency flush function ensures usability during power outages. Installation is relatively straightforward with standard rough-in requirements and included accessories.

However, some potential drawbacks include its high price point and the reliance on electricity for many of its features, which may be a concern during power outages despite the emergency flush capability. Additionally, its complex features might require a learning curve for some users. This toilet is best suited for those looking for a high-end, technologically advanced toilet with a focus on comfort and modern aesthetics.

The HOROW T0338W One Piece Toilet is a solid option if you're looking for a dual-flush toilet. One of its main advantages is the dual flush system, offering both 0.8 and 1.28 gallons per flush, which is efficient and water-saving. The elongated bowl design provides comfort, and the chair height of 17.3 inches makes it ADA compliant, making it easier for elderly and disabled individuals to use.

The fully-glazed 2-inch trapway ensures powerful flushing, with a high MAP score of 1000 grams, ensuring waste is cleared effectively. The porcelain material and white finish offer a sleek and modern look, and the slow-close seat adds to the quality, reducing noise and wear over time. Installation is simplified with big opening holes on the sides, and the provided components and instructions make it accessible even for non-professionals, though a plumber might still be necessary for some users.

Weighing in at 99 pounds, the toilet is quite heavy, which might make handling and installation a bit challenging. Also, it has a 10-inch rough-in, which is somewhat less common and might limit compatibility with existing plumbing setups. Despite these minor drawbacks, this toilet performs well and is especially suited for those needing an ADA-compliant and water-efficient option.