10 Best One Piece Toilets 2025 in the United States

The Swiss Madison SM-1T254 St. Tropez One Piece Toilet is a solid choice for those seeking a stylish and efficient bathroom fixture. It features an elongated bowl shape, providing extra comfort and luxury. The toilet's dual flush system, offering 0.8/1.28 gallons per flush (GPF), is an excellent balance between water conservation and effective flushing power. This can help in reducing water bills while maintaining good performance.

With a comfort height of 16 inches, it is easier for most adults to use, especially those with mobility issues, making it a practical option for accessibility. The seamless porcelain design and glossy white finish make it easy to clean and maintain, adding to its aesthetic appeal and hygiene standards. The soft closing seat adds a touch of convenience and prevents slamming, which can be a disturbance in quieter homes. Additionally, the quick-release feature aids in hassle-free cleaning and maintenance.

At 26.6 pounds, this toilet is relatively lightweight, which might not appeal to those seeking a heavier, more robust structure. The included components, such as the flush valve and hardware, simplify installation. On the downside, the toilet requires floor mounting, which may not be suitable for all bathroom layouts. Despite these minor setbacks, the Swiss Madison SM-1T254 is an excellent option for those prioritizing design, water efficiency, and ease of use in their bathroom fixtures.

The HOROW T0338W Compact One Piece Toilet is a solid choice for anyone looking for a modern, efficient toilet solution. Its one-piece design not only makes it aesthetically pleasing but also simplifies cleaning, as there are fewer crevices for dirt to hide. The elongated bowl shape enhances comfort, especially for adults, while the chair height of 17.3 inches makes it suitable for the elderly and individuals with mobility challenges, aligning with ADA standards.

In terms of performance, the dual flush system with options for 0.8 and 1.28 gallons per flush is a standout feature, promoting significant water savings while still delivering a powerful flush rated at 1000 grams. This means you can flush effectively without using excessive water, making it environmentally friendly. Additionally, the toilet's ceramic material and glazed finish contribute to its durability and easy maintenance.

Installation is designed to be user-friendly with clear instructions and fewer complications, making it manageable for a DIY enthusiast or a quick job for a plumber. The included soft-closing seat enhances user experience by minimizing noise and providing a touch of luxury. However, some potential drawbacks should be noted. Weighing in at 99.2 pounds, the toilet is relatively heavy, which may pose a challenge during installation if you're not prepared. The seat material, while durable, is plastic, which might not feel as premium as other materials such as wood. Despite its relatively lower sales rank, the HOROW T0338W remains an excellent option for those seeking a compact, stylish, and efficient toilet that meets modern needs, particularly for smaller spaces and accessibility requirements.

The Deer Valley Elongated One Piece Toilet is designed with a 17-inch ADA-compliant seat height and an 18-inch elongated bowl, making it particularly comfortable for seniors or individuals with mobility concerns. The dual-flush system offers both a 1.1 GPF option for liquids and a 1.6 GPF option for solids, providing both efficiency and performance in water usage, which is great for eco-conscious households. The soft-close seat with rust-proof hinges adds to the product’s appeal by eliminating noise and ensuring longevity, even in humid environments. This seat is also easy to remove for thorough cleaning, supporting long-term hygiene.

The fully skirted trapway design helps in reducing cleaning time by eliminating hard-to-reach crevices, making it a practical choice for busy households or those with allergy sufferers. Installation is straightforward with pre-attached bolts and included components, making it accessible even for DIY beginners. However, at 111 pounds, the toilet is relatively heavy, which might make handling and positioning challenging.

While the product has received excellent customer reviews, it is not among the top-selling items, indicating it might not be as widely known or used. For those looking for a high-quality, user-friendly one-piece toilet that meets ADA height standards, this model from Deer Valley is a strong contender.