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5 Best One Piece Toilets of 2026

Last Updated - 2026/05/30

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

DeerValley

DeerValley Elongated One-Piece Toilet Matte Black, 1.1/1.6 GPF Dual Flush, Soft Close Seat, 17" ADA Comfort Height, 12" Rough-in (DV-1F0027)

DeerValley

CA$479.00

More Details
Main highlights
- Simplified Installation: Two large side access panels for easy plumbing connections. Includes supply line adapter (fits 1/2" or 7/8" lines) and pre-installed soft-closing seat.
- Powerful & Efficient Dual Flush: 1.1 GPF (light) / 1.6 GPF (heavy) siphonic flushing system achieves MaP 1000g certification. Enhanced vortex power and fully glazed 2" trapway ensure clog-free, quiet performance.
- Nettoyage Facile: Surface auto-nettoyante entièrement émaillée et conduit caché. Courbes lisses sans recoins pour un essuyage rapide et sans effort.
- Livraison Sécurisée: Emballage renforcé "military-grade" testé aux chocs. Garantie d'arrivée en parfait état. Soutien client DeerValley satisfaction.
- Installation Simplifiée: Deux grandes trappes d'accès latérales. Inclut adaptateur de tuyau d'arrivée d'eau (1/2" ou 7/8") et siège à fermeture douce pré-installé.
- Easy-Clean Design: Fully glazed, self-cleaning surface and concealed trapway eliminate dirt traps. Smooth, seamless curves make wiping effortless for hassle-free maintenance.
- Damage-Proof Delivery: Engineered with military-grade reinforced packaging, rigorously drop-tested to guarantee your toilet arrives pristine.
- Confort & Élégance: Siège à hauteur confort 43 cm conforme ADA avec dossier ergonomique. Finition noire mate haut de gamme et design monobloc pour une esthétique moderne et un nettoyage simplifié.
- Comfort & Elegance: 17-inch ADA-compliant comfort height seat with backrest design. Premium matte black finish and one-piece construction offer a sleek, modern look with seamless cleaning.
- Chasse Double Puissante & Économique: Système siphonique 4.2/6.0 LPF (léger/lourd) certifié MaP 1000g. Vortex renforcé et conduit de 5 cm émaillé garantissent performance silencieuse sans obstruction.
CA$479.00
2
Best Value
10% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Swiss Madison Well Made Forever
10% Off

Swiss Madison Sublime III One-Piece Round Toilet Vortex™ Dual-Flush 0.95/1.26 gpf

Swiss Madison Well Made Forever

CA$427.50

CA$475.00
(10% Off)

More Details
Main highlights
- Space Saving Round Bowl
- Soft-Close, Quick-Release Toilet Seat
- Includes Tank, Bowl, Seat, Wax Ring, Bolt Kit and Cover Caps
- Durable Ceramic Material
- Dual-flush with high-performance Vortex 0.95 / 1.26 gallons per flush (GPF)
CA$427.50
CA$475.00 (10% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

HOROW

HOROW T0338W Elongated One Piece Toilet, 17.3" ADA Comfort Height Compact Toilet with Soft-Close Seat, 0.8/1.28 GPF High-Efficiency Dual Flush & MAP 1000g, Standard Bowl for Bathroom, White

HOROW

CA$389.00

More Details
Main highlights
- 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
- Warranty: HOROW values each customer's shopping experience and believes in the quality of our products, therefore our toilets come with lifetime after-sales service and 1-year limited warranty. Our customer service center will respond to messages within 12 hours.
- Superior Quality Seat: This comfortable seat height toilet comes with a soft closing PP seat, which closes quietly and slowly, effectively reducing the noise of going to the toilet at night. The elongated toilet seat is also fixed with screws, making sure your seat will not come loose from the toilet bowl.
- Multiple options: We have 10" rouhg-in and 12" rough-in toilets to choose from, paired with different colored appearances to your bathroom. If you are unable to accurately measure the rough-in of your toilet, we recommend purchasing a minimum 10 inch toilet to ensure seamless installation.
- 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
- 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.
- 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
- 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.
CA$389.00
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

DeerValley

DeerValley Symmetry One Piece Toilet, Dual Flush 1.1/1.6 GPF Elongated Standard Toilet for Bathroom, Toilets with Comfortable Seat Height (Seat Included) (White)

DeerValley

CA$359.00

More Details
Main highlights
- Water-Saving High-Efficiency Performance: The high-efficiency dual-flush system delivers reliable, powerful performance while conserving water, helping you save thousands of gallons annually.
- Superior Quiet & Clog-Free Flushing: Our powerful siphonic dual-flush system (1.1/1.6 GPF / 4/6 LPF) is fully glazed and rigorously tested to flush 1000 grams of waste effectively. It ensures a quiet, powerful flush that prevents clogs and leaks.
- Sleek, Modern & Easy-Clean Design: Features a space-saving one-piece toilet with a seamless, concealed trapway. Its sleek lines and fully skirted design create a modern look that complements any bathroom while making cleaning effortless.
- Kit Complet & Installation Simplifiée: Le kit inclut la toilette avec siège à fermeture douce et clapet pré-installés, un joint de cire et les boulons. Deux tailles de raccordement d’alimentation (adaptateur 1/2" ou 7/8" inclus) simplifient le raccordement pour une installation aisée.
- Haute Performance Économe en Eau: Le système de double chasse haute efficacité offre une performance puissante et fiable tout en économisant l'eau, vous permettant de réduire votre consommation de milliers de litres par an.
- Durable Build with Warranty & Support: Built with sturdy, easy-clean materials and backed by a comprehensive promise: a 1-year limited warranty on the flushing mechanism and soft-close seat, plus lifetime after-sales service with 24/7 online support.
- Design Élégant, Moderne & Facile à Nettoyer: Toilettes monobloc gainant de place au design parfaitement intégré. Ses lignes épurées et sa jupe intégrale créent une esthétique moderne pour toute salle de bain tout en facilitant grandement le nettoyage.
- Construction Durable, Garantie & Support: Fabriqué avec des matériaux robustes et faciles à nettoyer, soutenu par une promesse complète : garantie limitée d'un an sur le mécanisme de chasse et le siège à fermeture douce, associée à un service après-vente à vie et un support en ligne 24h/24.
- Chasse d'Eau Puissante, Silencieuse & Anti-Bouchage: Notre système de chasse siphonique double (1.1/1.6 GPF / 4/6 LPF) entièrement émaillé et testé évacue efficacement 1000 grammes de déchets. Il garantit une chasse silencieuse, puissante et prévient les bouchons et fuites.
- All-Inclusive Package & Easy Installation: The complete kit includes the toilet with pre-installed soft-close seat and flush valve, wax ring, and bolts. Two sizes of supply line inlets (1/2" or 7/8" adapter included) simplify connection for straightforward installation.
CA$359.00
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

DeerValley

DeerValley Compact One-Piece Toilet for Small Bathrooms, Elongated Toilet, Modern Toilet with Powerful Dual Flush 0.8/1.28 GPF, Soft-Close Seat, 12" Rough-in, High-Efficiency, Space-Saving

DeerValley

CA$359.00

More Details
Main highlights
- Water-Efficient Dual Flush Technology: Features two flush options 0.8 GPF for liquid waste and 1.28 GPF for solid waste to reduce water bills while delivering powerful performance. It meets Water Sense criteria with a MAP flush score of 1000 grams and can save up to 16500 gallons per year compared to older models.
- Technologie de Double Chasse d'Eau Économique – Propose deux options de chasse 0,8 GPF pour les déchets liquides et 1,28 GPF pour les déchets solides pour réduire les factures d'eau tout en offrant des performances puissantes. Elle répond aux critères Water Sense avec un score de chasse MAP de 1000 grammes et peut économiser jusqu'à 16500 gallons par an comparé aux modèles anciens.
- Surface Hygiénique et Facile à Nettoyer – Conception monobloc sans soudure élimine les crevices difficiles d'accès tandis que la surface entièrement émaillée résiste aux taches et à l'accumulation de bactéries pour un entretien facile. Le siège de qualité supérieure avec charnière en acier inoxydable permet un retrait aisé pour le serrage ou le nettoyage au fil du temps.
- Space-Saving One-Piece Design :Compact and streamlined to fit perfectly in small bathrooms with a sleek modern look that maximizes space efficiency. This elongated toilet measures just 26.6 inches deep by 15 inches wide ensuring comfort in any bathroom space.
- Siège à Fermeture Douce et Hauteur Conforme ADA – Inclut un mécanisme de fermeture lente et douce qui évite les claquements bruyants et améliore la durabilité. La hauteur chaise de 17,3 pouces du sol au siège la rend idéale pour les personnes âgées et les individus handicapés facilitant la position assise et debout.
- Installation Facile avec Options Multiples de Distance d'Évacuation – Distance d'évacuation standard de 12 pouces convient à la plupart des salles de bains plus une option de 10 pouces pour une flexibilité accrue. Deux grands trous d'ouverture sur le côté simplifient la fixation et les guides vidéo d'installation garantissent une configuration sans tracas pour le remplacement ou les nouvelles installations.
- Hygienic and Easy-to-Clean Surface – Seamless one-piece design eliminates hard-to-reach crevices while the fully glazed surface resists stains and bacteria buildup for effortless maintenance. The superior quality seat with stainless steel hinge allows easy removal for tightening or cleaning over time.
- Conception Monobloc Économiseur d'Espace – Compact et rationalisé pour s'adapter parfaitement aux petites salles de bains avec un look moderne et élégant qui maximise l'efficacité de l'espace. Cette toilette allongée mesure seulement 26,6 pouces de profondeur par 15 pouces de largeur garantissant le confort dans tout espace sanitaire.
- Comfortable Soft-Close Seat and ADA Compliant Height: Includes a gentle slow-closing mechanism that prevents loud slams and adds durability. The chair height design offers 17.3 inches from floor to seat making it ideal for the elderly and individuals with disabilities for easier sitting and standing.
- 12-Inch Rough-In for Easy Installation – Standard 12-inch rough-in fits most residential bathrooms, making replacement or new installation hassle-free.
CA$359.00

5 Best One Piece Toilets of 2026

DeerValley Elongated One-Piece Toilet Matte Black, 1.1/1.6 GPF Dual Flush, Soft Close Seat, 17" ADA Comfort Height, 12" Rough-in (DV-1F0027)

Swiss Madison Sublime III One-Piece Round Toilet Vortex™ Dual-Flush 0.95/1.26 gpf

HOROW T0338W Elongated One Piece Toilet, 17.3" ADA Comfort Height Compact Toilet with Soft-Close Seat, 0.8/1.28 GPF High-Efficiency Dual Flush & MAP 1000g, Standard Bowl for Bathroom, White

DeerValley Symmetry One Piece Toilet, Dual Flush 1.1/1.6 GPF Elongated Standard Toilet for Bathroom, Toilets with Comfortable Seat Height (Seat Included) (White)

DeerValley Compact One-Piece Toilet for Small Bathrooms, Elongated Toilet, Modern Toilet with Powerful Dual Flush 0.8/1.28 GPF, Soft-Close Seat, 12" Rough-in, High-Efficiency, Space-Saving

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