Best one piece toilets

Discover the best one piece toilets for your bathroom! Our buying guide offers expert advice and top picks to upgrade your space.

Introduction

Welcome to our comprehensive one piece toilets buying guide. Choosing the perfect toilet for your bathroom can be a daunting task, but fear not! We are here to simplify your decision-making process and provide you with all the necessary information. From water efficiency and flushing power to design and comfort, we will explore every aspect of one piece toilets. Whether you are a homeowner, contractor, or designer, this guide will help you make an informed choice. So, let’s dive in and find the ideal one piece toilet that meets your needs and elevates your bathroom experience.

Our Top 5

SaleNo. 1
Swiss Madison SM-1T254 St. Tropez One Piece Toilet Dual Tornado Flush 0.8/1.28 GPF with Soft Closing Seat, Comfort Height
  • Size: 27 x 15.12 x 31.18 inches.Dual flush with high-performance gravity 1.1 / 1.6 gallon per flush (gpf).16” bowl height..Batteries Required:no
  • Seamless porcelain one-piece with an easy-to-clean design
  • Elongated comfort height bowl for luxury and convenience.
  • Soft Closing Seat closes gently and quietly
  • Quick-Release seat can be unlatched from the toilet for easy removal and convenient cleaning; no tools required
No. 2
HOROW T0338W Compact One Piece Toilet with Comfort Chair Seat ADA Height 17.3", Elongated Dual Flush 0.8/1.28 GPF and MAP 1000g, Standard White Toilet Bowl
  • Luxurious Toilets for Bathrooms: Seamless, one-piece toilets design makes a statement with its clean lines and low profile. This compact elongated toilet measures just 26.6 inches deep by 15 inches wide and 26 inches high (entire height), ensuring plenty of room for comfort in a bathroom space.
  • Chair Height Toilet: ADA Compliant. Features 17.3"+ seat height from floor to seat. Comfortable height seating, ideal for the elderly and individuals with disabilities which makes sitting down and standing up easier.
  • Map Flush 1000 Grams: Great Maximum Performance Flush score of 1000 grams, meets Water Sense criteria. Fully-glazed 2" trapway. Such a powerful and water-saving toilet bowl comes from our research and development of innovative toilet plumbing structures
  • Easy to Install: Two big opening holes on the side to fix the toilet much easier. Installing a new modern toilet isn't as hard as it sounds. All you need are a few hours and a plumber. Installation video explanations will make the installation process easier
  • Water Saving Performance: Siphon Flushing. Dual Flush 0.8/1.28 GPF. A 1.28-gallon flush provides significant water savings of up to 16,500 gallons per year, compared to a 3.5-gallon toilet, without sacrificing performance
No. 3
DeerValley DV-1F026 Elongated One Piece Toilet, Dual Flush 0.8/1.28 GPF Toilet with Comfortable Seat Height, Powerful & Quiet Modern Standard Toilet for Bathroom, 12" Rough-In
  • Modern Toilets for Bathrooms: Our elongated one-piece toilet seamlessly blends style with comfort. With dimensions measuring 28.75in x 14in x 28in and a cozy seating height of 16 7/8in, it provides ample space for a comfortable experience.
  • Water Saving & Highly Efficient Dual Flush: The toilet offers two flush options, utilizing a dual flush system of 0.8/1.28 gallons per flush (GPF) to ensure efficient water usage. Opting for the 1.28-gallon flush can result in substantial water savings of up to 16,500 gallons per year compared to a 3.5-gallon toilet, all while maintaining optimal performance.
  • High Quality & Easy to Clean: The white toilet is sturdy, resistant to yellowing, and easy to clean with its self-cleaning glazed surface. Keep your bathroom effortlessly stylish and fresh with this long-lasting option.
  • Easy to Install: Two big opening holes on the side to fix the toilet much easier. Installing a new modern toilet isn't as hard as it sounds. All you need are a few hours and a plumber, installation video explanations will make the installation process easier.
  • Life-Time After-Sales Service: We are committed to providing our customers with quality bathroom products and believe in the quality of our products. please feel free to email us through the platform, our toilets come with lifetime after-sales service and a 12-month warranty.
No. 4
Deer Valley Elongated One Piece Toilet with Soft Close Seat, Dual Flush (1.1/1.6GPF) High-Efficiency Modern Bathroom Toilet Bowl with 17" Comfortable ADA Seat Height, 12" Rough-In, White, F52636-01
  • Ergonomic Comfort Design for All Users: Featuring a 17-inch seat height and an 18-inch elongated toilet bowl, this one piece toilet reduces knee and back strain—especially for seniors or those recovering from surgery. The elevated design mimics a chair, ensuring accessible support and natural comfort during daily routines, the elongated toilet is ideal for households with elderly parents or individuals with mobility limitations
  • High-Efficiency Dual Flush (1.1/1.6 GPF) for Savings & Performance: Equipped with a dual-flush system, this modern toilet tackles stubborn waste with a 1.6 GPF full flush and efficiently handles liquids with a 1.1 GPF half flush, making it perfect for late-night use. It speeds up cleaning, reduces water usage, and minimizes the risk of clogs—ideal for eco-conscious families or areas with strict water regulations
  • Premium Soft-Close Seat: Featuring a soft-closing PP toilet seat and rust-proof stainless steel hinges, this one piece toilet eliminates the noise of lid closures, making it perfect for light sleepers or shared bathrooms. The stainless steel hinges resist rust even in humid climates, ensuring that the seat remains secure over time. Additionally, the quick-release design allows for effortless removal for thorough cleaning, promoting long-term hygiene and durability
  • Easy to Clean and Maintain: Say goodbye to scrubbing hidden crevices behind the white toilet. The fully skirted trapway of the bathroom toilet eliminates dust-trapping gaps, while the high-fired ceramic glaze (2246°F) effectively repels coffee stains and hard water marks. Busy parents or allergy sufferers will appreciate the significant reduction in cleaning time, allowing surfaces to be wiped clean in seconds
  • Easy Installation: This one-piece toilet comes with pre-attached bolts, a wax ring, and a dual-size adapter that fits 90% of plumbing setups. Even DIY beginners can install this one piece toilet in under an hour—no extra parts or professional help needed. Additionally, dedicated customer support is available to assist if issues arise, such as an uneven bathroom floor, ensuring peace of mind throughout the installation process
SaleNo. 5
SPOWAY One Piece Toilet, 1/1.6 GPF Elongated Dual Flush Toilet with 15.5"W Soft Closing Seat, 17" Comfort Height Seat, Modern American Standard Modern Toilet for Bathroom, 12" Rough-In, White
  • 【One-Piece Design】Say goodbye to the hassle of traditional toilets with separate tanks and bowls. With its seamless construction, this modern toilet eliminates the need for a separate tank and bowl. Not only does it enhance the aesthetics of your bathroom, but it also simplifies cleaning. The integrated pipe design, coupled with a no welding process, ensures unparalleled durability and eliminates the risk of leaks.
  • 【Dual-Flush Control】Choose between two flushing options - a partial flush for liquid waste and a full flush for solid waste. Take charge of your flush with the 1.1/1.6 gallons per flush dual-control system. Enhanced vortex power and a curved base effortlessly whisk away waste, providing optimal performance and efficiency.
  • 【Exquisite Craftsmanship】Crafted from imported porcelain, this dual flush toilet is dust-resistant and features a concealed pathway with a seamless design for easy cleaning. With an elegant 17-inch height conforming to ADA standards, enhances comfort and provides ample seating space.
  • 【Noise-Reducing Design】Designed with consideration for nighttime tranquility, our elongated toilet boasts a slow-closing feature for a luxurious, quiet close. No more loud slamming noises or accidental seat crashes. This feature adds a touch of sophistication while prolonging the lifespan of the seat.
  • 【Easy to Install】Our one-piece toilet eliminates the complexities of installation, and with the help of the manual, you'll have it set up in just a few hours. The elongated shape of the toilet bowl enhances comfort and provides ample seating space. Enjoy a more ergonomic and relaxing experience compared to traditional round-shaped toilets.

How to choose?

1. Size Matters

When choosing a one piece toilet, it is important to consider the size of your bathroom. One piece toilets come in various sizes, so it is crucial to measure the available space to ensure the toilet will fit properly.

2. Water Efficiency

Water conservation is becoming increasingly important, so selecting a water-efficient toilet is a wise choice. Look for toilets that are labeled as WaterSense certified, as they use less water per flush compared to traditional toilets. This not only helps the environment but also reduces water bills.

3. Flushing Power

The flushing power of a toilet is a crucial factor to consider. Look for toilets that have a powerful flush system to effectively remove waste with each flush. This will help prevent clogs and keep your toilet clean and fresh.

4. Comfort and Ergonomics

Toilets are used multiple times a day, so it is important to choose one that prioritizes comfort and ergonomics. Look for toilets with a comfortable seat height and shape. A higher seat height can be beneficial for individuals with mobility issues, while a contoured seat can provide added comfort.

5. Style and Design

Lastly, consider the style and design of the one piece toilet. It should complement the overall aesthetic of your bathroom. Whether you prefer a modern, sleek design or a more traditional look, there are plenty of options available.

Remember to consider the size of your bathroom, water efficiency, flushing power, comfort and ergonomics, and style and design when choosing a one piece toilet. By taking these factors into account, you can ensure that you select a toilet that meets your needs and preferences.

What to Look for in a one piece toilets?

1. Flush Power: Ensuring Efficient Waste Removal

One of the most important factors to consider when choosing a one piece toilet is its flush power. A powerful flush ensures efficient waste removal and prevents clogging, saving you from the hassle of frequent plunging. Look for a toilet with a high flush rating, usually measured in gallons per flush (GPF). The lower the GPF, the more water-efficient the toilet is. For example, a toilet with a 1.28 GPF can save up to 16,500 gallons of water per year compared to a standard 1.6 GPF toilet.



A powerful flush not only saves water but also eliminates the need for multiple flushes, making it more convenient for users. For instance, the TOTO Drake II One-Piece Toilet is equipped with Tornado Flush technology, which creates a powerful centrifugal force to clear waste effectively with just one flush. This innovative design reduces the chances of clogging and ensures a cleaner bowl after each use.



2. Comfort and Ergonomics: Enhancing the User Experience

When investing in a one piece toilet, comfort and ergonomics should not be overlooked. After all, a toilet is a fixture that is used daily, and a comfortable experience is essential. Look for features such as a comfortable seat height, ergonomic design, and a wide, elongated bowl that provides ample space for users of all sizes.



One example of a toilet that excels in comfort is the Kohler Santa Rosa Comfort Height Toilet. Its chair-height seating position makes it easier for users to sit down and stand up, especially for elderly or mobility-impaired individuals. Additionally, its compact elongated bowl provides added comfort while still fitting in smaller bathrooms.



3. Durability and Easy Maintenance: Invest in Longevity

A one piece toilet is a long-term investment for your bathroom, so it’s crucial to choose a durable and easy-to-maintain option. Look for toilets made from high-quality materials, such as vitreous china, which is known for its durability and resistance to stains and scratches.



Another factor to consider is the ease of maintenance. Opt for toilets with a smooth, non-porous surface that prevents the buildup of bacteria and stains. Some toilets even come with innovative features like self-cleaning glaze or concealed trapways, which make cleaning a breeze. The American Standard Champion 4 One-Piece Toilet, for example, features EverClean surface technology that inhibits the growth of stain and odor-causing bacteria, ensuring a cleaner and more hygienic toilet.

How we picked?

1. Research and Analysis

When it comes to picking the perfect one piece toilet for your bathroom, thorough research and analysis are crucial. We understand that the vast array of options available in the market can be overwhelming. That’s why we have done the hard work for you by conducting extensive research and analysis to identify the top one piece toilets that meet various needs and preferences.

Our team of experts has spent countless hours examining the features, specifications, and customer reviews of numerous one piece toilets. We have considered factors such as flushing performance, water efficiency, durability, ease of installation, and overall design. By carefully evaluating each aspect, we have narrowed down the options to only the best ones that offer exceptional performance and quality.

2. Customer Feedback

To ensure that our selection aligns with real-life experiences, we have also taken into account the valuable feedback provided by customers who have already purchased and used these one piece toilets. We believe that customer feedback is an essential aspect of the decision-making process, as it provides insights into the actual performance and reliability of the product.

We have analyzed customer reviews from various reputable platforms, such as online retailers and bathroom fixture forums, to get a comprehensive understanding of the pros and cons of each one piece toilet. By considering multiple perspectives, we can provide you with a well-rounded assessment of the product’s performance and user satisfaction.

3. Expert Opinions

In addition to customer feedback, we have also consulted with industry experts and professionals to gain further insights into the best one piece toilets available in the market. Their expertise and knowledge have been invaluable in our decision-making process. We have sought advice from plumbers, bathroom designers, and manufacturers to ensure that our selection meets the highest standards of quality and functionality.

By incorporating expert opinions, we can confidently recommend one piece toilets that not only offer exceptional performance but also meet the specific needs and preferences of different users. Their guidance has helped us identify the key features and specifications that are vital for a satisfactory toilet experience.

Through our rigorous research, analysis, customer feedback, and expert opinions, we have curated a comprehensive list of the top one piece toilets that are worth considering for your bathroom. Our aim is to provide you with reliable and unbiased information, enabling you to make an informed decision that will enhance your bathroom experience for years to come.

Frequently asked questions about one piece toilets

1. What is a one piece toilet and why should I consider buying one?

A one piece toilet is a type of toilet where the tank and bowl are seamlessly integrated into one unit. Unlike a two piece toilet, which has a separate tank and bowl that are bolted together, a one piece toilet offers a sleek and compact design that is easier to clean and maintain.

One of the main advantages of a one piece toilet is its space-saving design. The seamless construction eliminates the gaps and crevices that are common in two piece toilets, making it easier to keep clean and hygienic. Additionally, the compact design of a one piece toilet makes it an ideal choice for smaller bathrooms or powder rooms where space is limited.

2. Are one piece toilets more expensive than two piece toilets?

While one piece toilets may have a slightly higher upfront cost compared to two piece toilets, they offer long-term savings in terms of maintenance and water usage. The seamless construction of a one piece toilet means there are fewer parts that can break or leak, reducing the need for costly repairs. Additionally, one piece toilets are often more water efficient, with many models featuring dual flush technology that allows you to choose between a full flush and a half flush, depending on your needs. This can result in significant water savings over time.

3. Can I install a one piece toilet myself, or do I need to hire a professional?

Installing a one piece toilet requires some basic plumbing knowledge, but it is a relatively straightforward process that can be done by a confident DIYer. However, if you are not comfortable with plumbing tasks or if you are unsure of your abilities, it is always best to hire a professional to ensure the installation is done correctly and to avoid any potential leaks or issues.

4. What are the different flushing mechanisms available for one piece toilets?

One piece toilets come with various flushing mechanisms, including gravity flush, pressure-assisted flush, and dual flush. Gravity flush toilets are the most common and rely on the force of gravity to remove waste from the bowl. Pressure-assisted flush toilets use compressed air to enhance the flushing power, making them ideal for households with heavy usage. Dual flush toilets offer the option of a full flush for solid waste and a half flush for liquid waste, allowing for water conservation.

5. Are there any drawbacks to choosing a one piece toilet?

While one piece toilets offer many advantages, there are a few potential drawbacks to consider. One is the higher initial cost compared to two piece toilets. Additionally, one piece toilets can be heavier and more difficult to maneuver during installation due to their integrated design. However, these drawbacks are often outweighed by the benefits of a sleek and easy-to-clean toilet that requires less maintenance and offers water-saving features.

Last update on 2025-05-06 / Affiliate links / Images from Amazon Product Advertising API

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