A one piece toilet combines the bowl and tank into a single, seamless unit. The design eliminates the bulky joints of two‑piece models, giving your bathroom a cleaner look and easier cleaning. In 2026 manufacturers have added water‑saving technologies, quiet flush mechanisms, and stylish finishes that blend with modern décor.
Choosing the right model depends on factors like water efficiency, height, and flush power. Below you will find five highly rated options that balance performance, style, and price, each linked to Amazon for quick comparison.
Quick Comparison
| Product | Price | Best For | Rating |
|---|---|---|---|
| Toto CST744SL Flushwise One Piece Toilet | $799 | High efficiency | 4.8/5 |
| American Standard 2885.014.020 Cadet 3 One Piece Toilet | $349 | Budget friendly | 4.5/5 |
| Kohler K-3996-0 Wellworth Classic One Piece Toilet | $629 | Classic design | 4.6/5 |
| Glacier Bay 99013 Dual Flush One Piece Toilet | $279 | Dual flush savings | 4.4/5 |
| Gerber Viper 1.28 GFL One Piece Toilet | $399 | Compact space | 4.5/5 |
1. Toto CST744SL Flushwise One Piece Toilet - Best Overall
Toto’s Flushwise system uses a 1.28‑gallon dual‑flush valve that meets the latest EPA WaterSense standards while delivering a powerful 1.6‑gate flush. The elongated bowl and height‑adjustable seat provide comfort for a wide range of users. The ceramic coating resists stains and makes cleaning simple. With a sleek, concealed tank and a quiet flush, this model stands out for both aesthetics and performance.
2. American Standard 2885.014.020 Cadet 3 One Piece Toilet - Best Budget
The Cadet 3 offers a reliable 1.28‑gallon dual‑flush system at a price that fits tighter budgets. Its EverClean surface inhibits the growth of bacteria, mold, and mildew, keeping the bowl looking new longer. The round bowl design saves floor space, and the standard height makes it accessible for most households. Despite the lower price, the flush performance remains strong, delivering up to 2.6 gallons per minute.
3. Kohler K-3996-0 Wellworth Classic One Piece Toilet - Best Design
Kohler’s Wellworth Classic blends a timeless silhouette with modern technology. The AquaPiston flushing system creates a smooth, quiet flush while using just 1.28 gallons per flush. The elongated bowl and comfort height seat enhance ergonomics, and the vitreous china finish resists chips and scratches. This model is a solid choice for homeowners who value a refined look without sacrificing efficiency.
4. Glacier Bay 99013 Dual Flush One Piece Toilet - Best Water Savings
Glacier Bay’s dual‑flush mechanism offers a 0.8‑gallon flush for liquids and a 1.28‑gallon flush for solids, delivering up to 30% water savings compared with standard models. The smooth, rounded bowl reduces the likelihood of clogs, and the soft‑close seat lowers noise. Its brushed nickel flush plate adds a subtle decorative touch. This toilet is ideal for eco‑conscious buyers looking for cost‑effective performance.
5. Gerber Viper 1.28 GFL One Piece Toilet - Best Compact
The Gerber Viper is designed for smaller bathrooms where space is at a premium. Its compact footprint (28 inches from wall to front) fits tight layouts, while the 1.28‑gallon dual‑flush system meets WaterSense requirements. The skirted design hides the tank, and the glazed ceramic surface resists stains. Despite its size, the Viper delivers a strong, quiet flush suitable for everyday use.
How to Choose
When selecting a one piece toilet, start with water efficiency. Look for models with a dual‑flush valve and a WaterSense certification; they reduce water usage without compromising flush power. Next, consider the bowl shape and height. An elongated bowl and comfort height seat provide added comfort, especially for taller users, while a round bowl saves floor space. Finally, evaluate the overall design and durability. Ceramic coatings, skirted tanks, and quiet‑flush technologies add long‑term value and a cleaner bathroom appearance.
By weighing these criteria against your budget and bathroom layout, you can pick a model that offers reliable performance and a look that matches your home’s style.
Frequently asked questions
Can a one piece toilet be installed in a small bathroom?+
Yes, many models have a compact footprint and hidden tank design, making them suitable for tight spaces while still providing strong flushing performance.
Which brand offers the longest warranty on one piece toilets?+
Toto typically offers a 5‑year limited warranty on the bowl and a 2‑year warranty on internal components, which is among the longest in the market.