8 Best Kohler One Piece Toilets 2025 in the United States

The KOHLER K-5172-NY San Souci toilet is a one-piece unit that offers several noteworthy features. The compact elongated bowl design provides additional comfort without taking up extra space, making it suitable for smaller bathrooms. The Comfort Height feature is particularly beneficial for adults, as it mimics chair-height seating, making it easier to sit down and stand up. The AquaPiston flushing technology ensures thorough and powerful flushing by allowing water to flow into the bowl from all sides, improving performance and reducing the risk of clogs.

The durable canister design also minimizes the likelihood of leaks, which is a significant advantage over traditional flapper designs. At 94 pounds, it is relatively heavy, which might pose challenges during installation. The toilet is made from high-quality china, which ensures durability, and it comes in a dune finish that can complement various bathroom decors.

It includes a Grip-Tight Reveal Q3 seat, adding to the value. The toilet is also Watersense certified, meaning it meets efficiency standards without sacrificing performance. This product is ideal for those looking for a compact yet comfortable toilet with efficient flushing capabilities. However, potential buyers should be prepared for a possibly challenging installation due to its weight.

The Kohler 77795-0SG Eir Toilet is a compact, streamlined one-piece toilet designed for modern bathrooms. Its elongated bowl shape offers added room and comfort, making it a good choice for those who value extra space. The Comfort Height feature is particularly beneficial for adults, as it provides chair-height seating that makes sitting down and standing up easier. This aspect can be especially appreciated by elderly individuals or those with mobility issues.

The dual flush system is efficient, allowing users to choose between 0.8 or 1.0 gallons per flush, which helps in conserving water without compromising on performance. The stainless steel wand with adjustable spray functions adds a personalized cleansing experience, enhancing hygiene and comfort. Made from vitreous china, the toilet is durable and has a smooth finish. The white color with Sunrise Gold Trim gives it a stylish and elegant appearance, fitting well in a modern bathroom setting.

However, weighing 116.8 pounds, it may pose a challenge during installation and might require professional help. Additionally, while the toilet has integrated cleansing features, the noise level might be a concern for some users, especially in quiet homes. This toilet is well-suited for those looking for a modern, comfortable, and hygienic option but may need assistance with installation due to its weight.

The KOHLER 30810-7 Santa Rosa One-Piece Toilet is an elegant and practical choice for those looking for a compact yet comfortable toilet. Its one-piece design integrates the tank and bowl seamlessly, making it easy to clean. The compact elongated bowl offers added comfort while occupying the same space as a standard round-front bowl, which is a significant space-saving feature.

The Comfort Height feature provides chair-height seating, making it easier for most adults to sit down and stand up, which is particularly beneficial for older individuals or those with mobility issues. The Revolution 360 swirl flushing technology ensures a powerful flush that keeps the bowl cleaner for longer periods, reducing maintenance efforts. Additionally, the CleanCoat surface treatment helps inhibit the growth of water scale and mineral stains, further enhancing ease of cleaning.

However, it's worth noting that the toilet is quite heavy at 94 pounds, which might make installation challenging without assistance. The black finish is stylish but may not suit all bathroom decors, and the specific color could also show water spots and stains more visibly. Despite these minor drawbacks, the KOHLER 30810-7 Santa Rosa offers a blend of performance, comfort, and ease of maintenance, making it a solid choice for many households.