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10 Best TOTO One Piece Toilets 2026 in the United States

#1

Winner

10.0  score

TOTO MS900CUMFG#01 NEOREST NX1 Dual Flush 1.0 or 0.8 GPF Toilet with Integrated Bidet Seat and EWATER+, Cotton White

Bowl Shape: Elongated
Flush Performance: 1.0 GPF, 0.8 GPF
Height: 31"
Trapway Design: Standard
Seat Type: Heated adjustable seat
Installation: Floor Mount

Chosen by 1171 this week

NEOREST AS Dual Flush 1.0 or 0.8 GPF Toilet with Integrated Bidet Seat and EWATER+, Cotton White - MS8551CUMFG#01

Bowl Shape: Optimal cleaning performance
Flush Performance: TORNADO FLUSH, 1.0 or 0.8 GPF
Height: 21.38 inches
Seat Type: Integrated bidet with heated seat
Installation: Complex due to advanced features
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Our Top Picks

#1

Winner

TOTO MS900CUMFG#01 NEOREST NX1 Dual Flush 1.0 or 0.8 GPF Toilet with Integrated Bidet Seat and EWATER+, Cotton White

Rating
10.0
Chosen by1,171
Seat Type

Most important from
9 reviews

Seat Type
Compared to older models, the pre-misting feature is an improvement, but the seating position might feel slanted forward and the opening a bit small.

The TOTO MS900CUMFG#01 Neorest NX1 Electronic Dual Flush Toilet offers a blend of luxury and functionality. Its elongated bowl shape provides added comfort, while the dual flush system allows for efficient water usage with 1.0 GPF and 0.8 GPF options. The adjustable heated seat and customizable spray settings ensure a personalized and comfortable experience.

Plus, the auto open/close lid and flush functions make it both convenient and hygienic, especially for households that prioritize cleanliness. Additionally, the automatic air purifying system helps to control odors, adding to the bathroom experience. The toilet's height and trapway design are standard, making it accessible and relatively easy to maintain.

However, at 157.5 pounds, this model is quite heavy, which might make installation a bit challenging and could potentially require professional help. The modern design, finished in Cotton White, fits well in contemporary bathroom settings. While its price point and advanced features cater to a more premium market, this product is ideal for those looking for high-end features and willing to invest in a sophisticated toilet system.

Rating
10.0
Chosen by1,171
Seat Type

Most important from
9 reviews

Seat Type
Compared to older models, the pre-misting feature is an improvement, but the seating position might feel slanted forward and the opening a bit small.
#2

NEOREST AS Dual Flush 1.0 or 0.8 GPF Toilet with Integrated Bidet Seat and EWATER+, Cotton White - MS8551CUMFG#01

The TOTO NEOREST AS Dual Flush Toilet is a high-end option in the one-piece toilet category, offering numerous advanced features. Its bowl shape is designed for optimal cleaning performance, enhanced by the TORNADO FLUSH system, which provides powerful 360° cleaning to reach all parts of the bowl. The dual flush functionality is highly efficient, utilizing either 1.0 or 0.8 GPF, contributing to water conservation.

The integrated bidet seat includes personal cleansing features, such as a warm water spray with oscillating and pulsating options, an instantaneous water heater, and a heated seat with adjustable temperature control. The PREMIST feature mists the bowl before each use to help minimize waste sticking to the surface, and EWATER+ technology keeps the wand and bowl clean after use, promoting hygiene. The universal height and ADA compliance make it accessible for a range of users, while the seamless seat design and automatic air deodorizer enhance comfort and cleanliness.

Installation might be more complex due to the advanced features, and the product's weight of 97 pounds may require additional support during setup. The remote control can be useful but may take time for users to become accustomed to its multifunctional settings. This toilet is well-suited for users looking for a luxurious, high-tech bathroom experience with efficient flush performance and extensive comfort features.

#3

TOTO Nexus One-Piece Elongated 1.28 GPF Universal Height Toilet with CEFIONTECT and SS234 SoftClose Seat, WASHLET+ Ready, Cotton White - MS642234CEFG#01

Rating
9.4
Installation

Most important from
5 reviews

Installation
Returning the product due to leakage suggests that installation might require careful inspection or professional assistance.

The TOTO Nexus One-Piece Elongated Toilet is designed for those seeking a sleek, easy-to-clean bathroom fixture. Its one-piece skirted design means fewer crevices where dirt can hide, making maintenance simpler compared to two-piece models. The elongated bowl shape offers comfort for most users, and the universal height (around 28.5 inches) makes it easier to sit and stand, which is helpful for people with mobility concerns.

The toilet features TOTO’s Tornado Flush system, which uses 1.28 gallons per flush — this is efficient and powerful enough to keep the bowl clean with less water use. A standout feature is the CEFIONTECT glaze, which keeps waste from sticking, reducing the need for frequent scrubbing. The included SoftClose seat is ultra-slim and prevents loud slamming, adding convenience and durability. Installation is floor-mounted, a standard method, but the relatively heavy weight (88.5 pounds) means it might require extra effort or professional help during setup. It’s also WASHLET+ ready, so you can upgrade to a bidet seat if desired, which is a nice option for enhanced hygiene.

This toilet is suitable for anyone wanting a modern, water-efficient model with easy cleaning and comfort, though it may require careful installation and consideration before purchasing.

Rating
9.4
Installation

Most important from
5 reviews

Installation
Returning the product due to leakage suggests that installation might require careful inspection or professional assistance.

Buying Guide for the Best TOTO One Piece Toilets

Choosing the right one-piece toilet can significantly enhance the comfort and functionality of your bathroom. One-piece toilets are known for their sleek design, ease of cleaning, and often more modern look compared to two-piece toilets. When selecting a one-piece toilet, it's important to consider several key specifications to ensure you pick the best fit for your needs. Here are the main specs to focus on and how to navigate them.
Bowl ShapeThe bowl shape of a toilet can affect both comfort and space usage. There are generally two types: elongated and round. Elongated bowls are more comfortable for most adults due to their larger seating area, but they take up more space. Round bowls are more compact, making them a better choice for smaller bathrooms. Consider the size of your bathroom and your personal comfort preferences when choosing the bowl shape.
Flush PerformanceFlush performance determines how effectively the toilet clears waste. This is often measured in terms of gallons per flush (GPF). Toilets with a lower GPF are more water-efficient, which is better for the environment and can save on water bills. However, you also want to ensure the toilet has enough power to clear waste effectively. Look for toilets with a GPF of 1.28 or lower for efficiency, but also check reviews or ratings for performance to ensure it meets your needs.
HeightToilet height can impact comfort, especially for taller individuals or those with mobility issues. Standard height toilets are typically around 15 inches from floor to seat, while comfort height (or chair height) toilets are around 17-19 inches. Comfort height toilets are easier to sit down on and stand up from, making them a good choice for older adults or anyone with knee or back issues. Consider who will be using the toilet most frequently when deciding on the height.
Trapway DesignThe trapway is the part of the toilet that carries waste from the bowl to the drainpipe. A fully glazed trapway can help prevent clogs and ensure a smoother flush. Some toilets also feature a concealed or skirted trapway, which makes cleaning easier and gives the toilet a sleeker appearance. If ease of cleaning and a modern look are important to you, consider a toilet with a concealed trapway.
Seat TypeThe type of seat that comes with the toilet can affect comfort and convenience. Some toilets come with a soft-close seat, which prevents the seat from slamming shut and reduces noise. Others may come with a standard seat that can be replaced if desired. Consider whether you prefer a soft-close feature and whether the included seat meets your comfort standards.
InstallationThe ease of installation can vary between toilet models. Some one-piece toilets are heavier and more difficult to install due to their all-in-one design. If you plan to install the toilet yourself, look for models that are known for easier installation or consider hiring a professional. Additionally, check if the toilet comes with all necessary installation hardware or if additional parts are required.

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