Best Dual Flush Toilets in 2026: 15 Picks Ranked by Specs
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Finding the best dual flush toilets requires comparing exact specifications rather than relying on general impressions. This guide ranks 15 models based strictly on the data published in their listings. The HOROW T0338W ADA Height One-Piece Toilet leads this list because its 26-inch seat height meets ADA chair height standards for accessibility. Other options vary by rough-in size, bowl shape, and overall footprint. You can use these spec-focused comparisons to decide which toilet fits your bathroom dimensions and comfort needs.
Quick picks
The best fit for you
- You need ADA height in a small bathroom HOROW T0338W ADA Height One-Piece Toilet It combines ADA chair height with a 15-inch width for tight spaces.
- You have a 10-inch rough-in space DeerValley Compact One-Piece Toilet It is designed specifically for 10-inch rough-ins with a standard height seat.
- You want heated seating and touchless flushing Erdoru Smart One-Piece Toilet It includes a heated seat and warm water bidet functions with dual flush.
- You need the smallest footprint available BAYROLL Round One-Piece Toilet It features a round bowl and 14.8-inch width for maximum space savings.
Our 15 picks
HOROW T0338W ADA Height One-Piece Toilet
Best for: small bathrooms needing ADA height
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Rough-In Size
- 12"
- Seat Height
- 17.3"
- Bowl Shape
- Elongated
- MaP Flush Score
- 1000g
This one-piece toilet combines a compact footprint with ADA-compliant seating. At 17.3 inches, the seat height aids standing for many users. The dual flush system offers 1.1 or 1.6 gallons per flush. Its 26.6-inch depth and 15-inch width fit small bathrooms. The fully glazed 2-inch trapway supports strong siphon flushing.
Pros
- 17.3-inch ADA chair height for easier access
- Dual flush options of 1.1 and 1.6 GPF
- Compact 26.6-inch depth fits small spaces
- Fully glazed 2-inch trapway for strong flushing
Cons
- Limited to 12-inch rough-in size in this model
- Heavier at 99.2 pounds due to one-piece build
- Standard seat included without bidet functions
Good fit if
- You need ADA-compliant height for accessibility
- You have a small bathroom with limited depth
- You prefer a one-piece design for easier cleaning
Skip if
- You require a 10-inch rough-in configuration
- You want a taller comfort-height seat over 17.3 inches
- You need a bidet-integrated seat option
Verdict: HOROW T0338W ADA Height One-Piece Toilet fits users who prioritize accessibility and space efficiency. Its specific height and compact dimensions make it a practical solution for smaller bathrooms requiring ADA compliance.
DeerValley Compact One-Piece Toilet
Best for: small bathrooms with 10-inch rough-ins
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Rough-In Size
- 10"
- Bowl Shape
- round
- Toilet Type
- one-piece
- Target Space
- Small Bathrooms
This DeerValley one-piece toilet is designed for small bathrooms with a compact footprint. It features a 1.1/1.6 GPF dual flush system to reduce water usage. The unit has a standard height seat and a 10-inch rough-in size. Its fully skirted design simplifies cleaning. You get a quiet soft-close seat and a complete installation kit. It supports up to 250 lbs.
Pros
- Compact dimensions fit tight spaces
- 1.1/1.6 GPF dual flush saves water
- Fully skirted design for easy cleaning
- Quiet soft-close seat operates at 28dB
- Includes complete installation kit
Cons
- Standard seat height is not ADA compliant
- 10-inch rough-in limits fitment
- Round bowl shape is less common
Good fit if
- You have a small bathroom with limited floor space
- Your plumbing requires a 10-inch rough-in
- You want a water-efficient dual flush system
Skip if
- You need an ADA-compliant chair height
- Your bathroom requires a 12-inch rough-in
- You prefer an elongated bowl shape
Verdict: DeerValley Compact One-Piece Toilet fits small bathrooms with 10-inch rough-ins. It offers water efficiency and easy cleaning but lacks ADA height and elongated shape options.
Swiss Madison St. Tropez One-Piece Toilet
Best for: ADA height and water efficiency
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Rough-In Size
- 12"
- Bowl Shape
- elongated
- Toilet Type
- one-piece
- Seat Height
- ADA Chair Height
The Swiss Madison Vortex is a one-piece, elongated toilet with ADA chair height. It uses a dual-flush system offering 1.1 or 1.6 gallons per flush. The 12-inch rough-in fits standard layouts. The non-porous ceramic resists scratches. This model suits those needing accessible height and efficient water use in a compact footprint.
Pros
- ADA chair height for easier access
- Dual vortex flush saves water
- One-piece design reduces cleaning time
- Elongated bowl adds comfort
- Scratch-resistant non-porous ceramic
Cons
- Heavy at 109 pounds
- Standard 12-inch rough-in only
- No soft-close seat included
Good fit if
- You need ADA compliant height
- You want a one-piece design
- You have a standard 12-inch rough-in
Skip if
- You require a soft-close seat
- You have a 10 or 14-inch rough-in
- You prefer a compact elongated bowl
Verdict: Swiss Madison Vortex Dual-Flush One-Piece fits bathrooms needing accessible height and water efficiency. It works well for standard rough-ins but lacks a soft-close seat.
Erdoru Smart One-Piece Toilet
Best for: Hands-free flushing with heated seating
- Flush Type
- Dual Flush (what this guide is about)
- Seat Height
- 17.9 inches
- Bowl Shape
- elongated
- Toilet Type
- one-piece
- Included Components
- Bidet
- Heated Seat
- Heated Seat
This one-piece elongated toilet pairs dual-flush operation with automated convenience. You get hands-free flushing via a foot sensor or walk-away detection, plus remote and side controls that provide a full or half flush. A 17.9-inch seat height and three heated seat settings (93°F to 104°F) suit anyone seeking an accessible, powered toilet with manual outage backup.
Pros
- Touchless auto flush, foot sensor, remote, and manual side knob
- Heated seat with 3 temperature settings from 93°F to 104°F
- Pre-wetting bowl feature to help prevent waste sticking
- Built-in soft night light for low-light visibility
- Tall 17.9-inch seat height on an elongated one-piece frame
Cons
- Lacks built-in bidet washing functionality
- Requires a grounded electrical outlet within 4.1 feet
- Coverage limited to a 1-year warranty
Good fit if
- You want hands-free dual-flush options alongside a manual flush knob for outages.
- You prefer an elevated 17.9-inch seat height with adjustable seat heating.
- You have a grounded electrical outlet positioned within 4.1 feet of the toilet.
Skip if
- You want built-in bidet wand spray or washing features.
- You lack a nearby grounded electrical outlet in your bathroom.
- You prefer a non-powered mechanical toilet setup.
Verdict: Erdoru One-Piece Elongated Dual-Flush Smart Toilet suits homeowners who want powered touchless flushing and heated seating without needing bidet wash nozzles. Its manual flush knob ensures continued dual-flush operation during power outages.
DeerValley DV-1F026 10-Inch Rough-In
Best for: Small bathrooms needing strong flush performance
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Rough-In Size
- 10"
- Seat Height
- 16 7/8"
- Bowl Shape
- Elongated
- MaP Flush Score
- 800g
This DeerValley one-piece toilet features an elongated bowl and a dual-flush system rated at 1.1 and 1.6 GPF. It delivers a MaP flush score of 800G with a fully glazed 2-inch trapway for effective waste removal. The unit stands 27 inches tall with a seat height of 16 7/8 inches. Its compact footprint measures 28.2 inches in length and 14.2 inches in width, making it suitable for standard 10-inch rough-in installations.
Pros
- Dual flush options of 1.1 and 1.6 GPF
- 800G MaP flush score for reliable performance
- Fully glazed 2-inch trapway resists clogs
- Elongated bowl shape adds seating comfort
- One-piece design simplifies cleaning
Cons
- Standard seat height of 16 7/8 inches may be lower than ADA requirements
- Limited to 10-inch rough-in size in this configuration
- 99-pound weight makes handling and installation difficult
Good fit if
- You need a compact toilet for a small bathroom
- You prefer the easy cleaning of a one-piece design
- You want strong flushing power with a high MaP score
Skip if
- You require an ADA-compliant seat height of 17 inches or more
- Your bathroom has a 12-inch rough-in and you cannot use the 10-inch model
- You need a lightweight unit for easy DIY installation
Verdict: DeerValley DV-1F026 Elongated One-Piece Toilet offers strong flushing performance and a compact footprint for small spaces. It suits buyers who prioritize a high MaP score and easy maintenance over ADA-compliant seating height.
HOROW Compact Elongated One-Piece Toilet
Best for: small bathrooms and powder rooms
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Rough-In Size
- 12"
- Bowl Shape
- Elongated
- MaP Flush Score
- 800g
- Toilet Type
- One-piece
This one-piece toilet features a compact 14-inch width and 28.75-inch depth, making it suitable for small bathrooms or powder rooms. It includes a chair-height seat at 17.3 inches for easier use. The dual-flush system offers 1.1 GPF and 1.6 GPF options to save water. A skirted design simplifies cleaning, and the soft-close seat prevents slamming.
Pros
- Compact 14-inch width saves space in small bathrooms
- Chair-height seat provides comfortable access
- Skirted design hides trapway for easier cleaning
- Soft-close seat included to prevent slamming
Cons
- Heavier at 101 pounds, requiring more effort to install
- Limited to 12-inch rough-in size
- Standard white finish only
Good fit if
- You need a toilet for a small bathroom or powder room
- You prefer a chair-height seat for easier access
- You want a skirted design for easier cleaning
Skip if
- You require a 10-inch rough-in size
- You need a taller or shorter seat height
- You prefer a two-piece toilet design
Verdict: HOROW HR-ST076WD Compact Dual Flush is a space-saving option for small bathrooms with its 14-inch width and chair-height seat. It fits best in tight spaces where a standard toilet would not fit.
BAYROLL Round One-Piece Toilet
Best for: small bathrooms needing ADA height
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 0.9/1.28 GPF
- Rough-In Size
- 12"
- Seat Height
- 17"
- Bowl Shape
- round
- MaP Flush Score
- 1000g
This BAYROLL one-piece toilet features a round bowl and dual-flush mechanism with 0.9 GPF and 1.28 GPF options. It sits at an ADA-compliant 17-inch height for easier use. The unit measures 25.6 inches long and 14.8 inches wide, making it a compact fit for smaller bathrooms. It includes a soft-close seat and achieves a MaP score of 1000 grams for effective waste removal.
Pros
- Round bowl shape saves space in small bathrooms
- Dual flush options of 0.9 GPF and 1.28 GPF
- ADA-compliant 17-inch seat height
- MaP score of 1000 grams for strong flushing
- Includes soft-close seat for quiet operation
Cons
- Round bowl shape is less common than elongated styles
- Compact 14.8-inch width may feel narrow for some users
- Requires 12-inch rough-in which limits installation flexibility
Good fit if
- You have a small bathroom or powder room
- You need an ADA-compliant seat height
- You prefer a round bowl for space efficiency
Skip if
- You require an elongated bowl for comfort
- Your bathroom has a non-standard rough-in size
- You prefer a taller than 17-inch seat height
Verdict: BAYROLL Round One-Piece Toilet is a space-saving option for small bathrooms that need ADA-compliant height. It fits users who prioritize compact dimensions and efficient water usage over elongated bowl comfort.
HOROW Compact One Piece White Toilet
Best for: small bathrooms needing compact dimensions
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 gallons
- Rough-In Size
- 12"
- Seat Height
- 16.5-inch
- Bowl Shape
- round
- Toilet Type
- one piece
This compact one-piece toilet measures 25 inches in depth and 13.4 inches wide. It uses a dual flush system with 1.1 and 1.6 gallons per flush. The round bowl sits at a 16.5-inch seat height. The fully glazed bowl and soft-close seat add practical features. It fits a 12-inch rough-in. This model suits small bathrooms where space is limited.
Pros
- Compact 25-inch depth saves floor space
- Dual flush options at 1.1 and 1.6 gallons
- Fully glazed bowl for easier cleaning
- Includes soft-closing seat to reduce noise
Cons
- Round bowl shape saves space but offers less comfort than elongated bowls
- 16.5-inch seat height is lower than ADA-compliant 17-inch standards
- No smart features or bidet functions included
Good fit if
- You need a toilet for a small bathroom or powder room
- You prefer a standard round bowl for tight clearance
- You want a quiet soft-close seat included
Skip if
- You require ADA-compliant 17-inch seat height
- You prefer an elongated bowl for extra comfort
- You need a 10-inch rough-in size
Verdict: HOROW HWMT-8733 Compact One Piece Toilet is a space-saving option for small bathrooms. It fits users who prioritize compact dimensions over elongated comfort or ADA height.
Swiss Madison Ivy One Piece Dual Flush
Best for: Standard height bathrooms needing durable one-piece design
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 gpf
- Rough-In Size
- 12"
- Seat Height
- standard height
- Bowl Shape
- elongated
- Toilet Type
- one piece
The Swiss Madison Ivy is a one-piece toilet with an elongated bowl and standard height. It uses a dual flush system with 1.1 gpf and 1.6 gpf options. The glossy white ceramic body measures 26 inches long and weighs 90 pounds. It fits a standard 12-inch rough-in. This model offers a compact footprint and durable construction for everyday bathroom use.
Pros
- Dual flush buttons for 1.1 gpf and 1.6 gpf water usage
- Elongated bowl shape provides extra comfort
- One-piece design with scratch-resistant ceramic
- Standard 12-inch rough-in size
Cons
- Standard seat height is lower than ADA-compliant models
- Heavier 90-pound build requires careful handling
- No soft-closing seat included in specifications
Good fit if
- You need a standard height toilet for a family bathroom
- You want a durable ceramic bowl with an elongated shape
- You have a standard 12-inch rough-in space
Skip if
- You require ADA-compliant chair height seating
- You prefer a taller comfort height model
- You want a toilet with a soft-closing seat
Verdict: Swiss Madison Ivy One Piece Dual Flush is a practical option for users who prefer standard height seating and a durable, easy-to-clean one-piece design. It suits those who do not need ADA compliance or premium seat features.
WOODBRIDGE B0910 Elongated One Piece
Best for: Accessible height and easy cleaning needs
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.0/1.6 GPF
- Seat Height
- 20 inch
- Bowl Shape
- Elongated
- Toilet Type
- One Piece
- Included Components
- Soft Close Seat
This WOODBRIDGE one-piece toilet features a 20-inch seat height and elongated bowl for comfort. It uses a dual flush system with 1.0 or 1.6 GPF options. The skirted trapway and fully glazed flush system simplify cleaning and reduce clogs. It includes a soft-closing seat and pre-installed fittings. The design suits modern bathrooms seeking accessible height and efficient water use.
Pros
- 20-inch seat height for easier sitting and standing
- Dual flush options of 1.0 and 1.6 GPF
- Skirted trapway eliminates grooves for easier cleaning
- Fully glazed flush system for quiet operation
- Includes soft-closing seat and installation hardware
Cons
- Heavier at 132 pounds, requiring more effort to install
- Standard white color only in this configuration
- No smart bidet features or automated functions
Good fit if
- You need a higher seat height for easier mobility
- You want a one-piece design with a sleek skirted trapway
- You prefer a traditional dual flush system with soft-close seats
Skip if
- You require a standard 15-inch seat height
- You need a compact toilet under 28 inches in length
- You prefer a two-piece toilet design
Verdict: WOODBRIDGE B0910 20-Inch Dual Flush Toilet offers accessible height and easy cleaning for users prioritizing comfort and maintenance. It fits bathrooms where a taller seat and sleek one-piece design are essential.
DeerValley DV-1F52508 Elongated One-Piece
Best for: small bathrooms needing compact comfort
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Bowl Shape
- elongated
- MaP Flush Score
- 1000g
- Toilet Type
- one-piece
- Color
- White
This DeerValley one-piece toilet uses a dual-flush system with 1.1 gallons for light waste and 1.6 gallons for full waste. The elongated bowl offers ergonomic comfort, while the compact footprint measures 26.6 inches deep. It features a soft-closing seat and a high MaP score of 1000 grams for effective flushing. The design includes a full-skirt trap for easy cleaning and ADA-compliant seat height.
Pros
- Dual flush volumes of 1.1 and 1.6 GPF
- MaP flush score of 1000g for strong performance
- Elongated bowl shape for added comfort
- Soft-closing seat reduces noise
- Full-skirt trap design simplifies cleaning
Cons
- Standard seat height may be less accessible than ADA options
- Heavy 97-pound unit requires two people for installation
- Compact depth may limit clearance in larger bathrooms
Good fit if
- You need a compact toilet for a small bathroom
- You prefer an elongated bowl for comfort
- You want a one-piece design for easier maintenance
Skip if
- You require a standard height toilet
- You need a two-piece toilet for easier repair
- You prefer a round bowl shape
Verdict: DeerValley DV-1F52508 One Piece suits small bathrooms where space is tight but comfort matters. Its strong flush performance and easy-clean design make it a reliable option for daily use.
Casta Diva Compact Round Toilet
Best for: small bathrooms needing compact comfort height
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 0.8/1.28 GPF
- Rough-In Size
- 12 inch
- Seat Height
- 16.25 inch
- Bowl Shape
- Round
- MaP Flush Score
- 1000g
This Casta Diva one-piece toilet is built for tight bathrooms, measuring just 24.5 inches in length. It features a round bowl and a dual flush system offering 0.8 GPF for liquids and 1.28 GPF for solids. The 16.25-inch seat height provides comfort height seating. With a MAP score of 1000g and WaterSense certification, it balances water savings with strong waste removal.
Pros
- Compact 24.5-inch depth fits small bathrooms
- Dual flush options at 0.8/1.28 GPF
- MAP flush score of 1000g for powerful cleaning
- Comfort height seat at 16.25 inches
Cons
- Round bowl shape is less common than elongated designs
- Seat height is 0.75 inches lower than ADA standard
- 1-year limited warranty is shorter than typical lifetime coverage
Good fit if
- You have a small bathroom with limited floor space
- You need a comfortable seating height for easier use
- You want a water-efficient toilet with strong flush power
Skip if
- You require an elongated bowl for larger comfort
- You need ADA-compliant 17-inch seat height
- You prefer a longer warranty period than one year
Verdict: Casta Diva Compact Round Toilet is a space-saving option for small bathrooms that still demands strong performance. It suits buyers who prioritize compact dimensions and water efficiency over elongated bowl shapes or ADA-compliant heights.
DeerValley Compact Round White Toilet
Best for: small bathrooms needing compact round bowl
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1.1/1.6 GPF
- Rough-In Size
- 12''
- Bowl Shape
- round
- Toilet Type
- one-piece
- Design Style
- Modern
The DeerValley DV-2F52531 is a compact one-piece toilet designed for small bathrooms. It features a round bowl measuring 24.6 inches in length and 13 inches in width. The dual flush system uses 1.1 or 1.6 gallons per flush. It sits at a standard ADA chair height of 17.3 inches. This model includes a soft-close seat and a fully skirted design for easy cleaning.
Pros
- Compact 24.6-inch length fits tight spaces
- Water-efficient 1.1/1.6 GPF dual flush system
- Fully skirted design simplifies cleaning
- Quiet soft-close seat operates at 28dB
Cons
- Round bowl shape is less common than elongated
- Standard seat height may be lower than comfort height options
- 12-month warranty is shorter than industry standards
Good fit if
- You have a small bathroom with limited floor space
- You prefer a round bowl for compactness
- You want a fully skirted design for easier maintenance
Skip if
- You require an elongated bowl for extra comfort
- You need a taller comfort height seat
- You want a longer warranty period than 12 months
Verdict: DeerValley DV-2F52531 Compact One Piece is a space-saving solution for small bathrooms. It fits buyers who prioritize compact dimensions and easy cleaning over elongated bowl comfort.
Fine Fixtures Dual-Flush One Piece Toilet
Best for: Standard bathrooms seeking water efficiency
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 1 / 1.6 gallon per flush
- Rough-In Size
- 12"
- Seat Height
- 15.5"
- Bowl Shape
- elongated
- Toilet Type
- one piece
This Fine Fixtures toilet uses a dual-flush system to offer 1 or 1.6 gallons per flush. It features an elongated bowl and a one-piece design for easier cleaning. The seat height is 15.5 inches. It includes a soft-closing seat and a 2-inch fully glazed trapway. This model suits buyers who want a standard height toilet with water-saving features and a sleek, modern look.
Pros
- Dual-flush options of 1 and 1.6 gallons per flush
- Elongated bowl shape for added comfort
- One-piece construction with a fully glazed 2-inch trapway
- Includes a soft-closing toilet seat
Cons
- Seat height is 15.5 inches, which is lower than ADA standards
- No smart features or bidet functions included
- Standard white finish only in this configuration
Good fit if
- You need a standard-height toilet for a bathroom with average users
- You prefer a one-piece design for easier maintenance
- You want a dual-flush system to conserve water
Skip if
- You require ADA-compliant chair height (17 inches or more)
- You want a smart toilet with electronic bidet features
- You need a compact toilet for a very small space
Verdict: Fine Fixtures Dual-Flush One Piece Toilet is a practical choice for standard bathrooms. It fits buyers who prioritize water efficiency and easy cleaning over elevated seating or smart technology.
DeerValley Compact One-Piece Toilet
Best for: small bathrooms with limited space
- Flush Type
- Dual Flush (what this guide is about)
- Flush Volume
- 0.8/1.28 GPF
- Rough-In Size
- 12"
- Bowl Shape
- round
- Toilet Type
- one-piece
- Target Space
- Small Spaces
This compact one-piece toilet is designed for small bathrooms, protruding just 24.6 inches from the wall. It features a dual flush system with 0.8 GPF and 1.28 GPF options to conserve water. The round bowl sits at a comfortable 17-inch height and includes a soft-close seat. Its fully skirted trapway and glazed surface simplify cleaning. This model fits standard 12-inch rough-in installations.
Pros
- Compact 24.6-inch length saves floor space
- Dual flush options of 0.8 and 1.28 GPF
- Soft-close seat reduces noise
- Fully skirted trapway for easy cleaning
- Round bowl shape fits tight layouts
Cons
- Round bowl shape is smaller than elongated bowls
- Standard 12-inch rough-in size only
- Heavier 88-pound build requires two people for installation
Good fit if
- You have a small bathroom with limited floor space
- You prefer a round bowl for a compact footprint
- You want a soft-close seat included
Skip if
- You need an elongated bowl for extra comfort
- Your bathroom requires a 10-inch rough-in
- You prefer a taller seat height than 17 inches
Verdict: DeerValley Compact One-Piece Toilet is a space-saving solution for tight bathrooms. It fits buyers who prioritize a compact footprint and water efficiency over the extra length of an elongated bowl.
Specifications side by side
| Spec | HOROW T0338W ADA Height One-Piece Toilet | DeerValley Compact One-Piece Toilet | Swiss Madison St. Tropez One-Piece Toilet | Erdoru Smart One-Piece Toilet | DeerValley DV-1F026 10-Inch Rough-In | HOROW Compact Elongated One-Piece Toilet | BAYROLL Round One-Piece Toilet | HOROW Compact One Piece White Toilet | Swiss Madison Ivy One Piece Dual Flush | WOODBRIDGE B0910 Elongated One Piece | DeerValley DV-1F52508 Elongated One-Piece | Casta Diva Compact Round Toilet | DeerValley Compact Round White Toilet | Fine Fixtures Dual-Flush One Piece Toilet | DeerValley Compact One-Piece Toilet |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flush Type | Dual flush | dual flush | dual flush | dual flush | Dual flush | Dual Flush | Dual Flush | dual flush | dual flush | Dual Flush | dual flush | Dual Flush | not specified | dual-flush | Dual Flush |
| Flush Volume | 1.1/1.6 GPF | 1.1/1.6 GPF | 1.1/1.6 GPF | not specified | 1.1/1.6 GPF | 1.1/1.6 GPF | 0.9/1.28 GPF | 1.1/1.6 gallons | 1.1/1.6 gpf | 1.0/1.6 GPF | 1.1/1.6 GPF | 0.8/1.28 GPF | 1.1/1.6 GPF | 1 / 1.6 gallon per flush | 0.8/1.28 GPF |
| Rough-In Size | 12" | 10" | 12" | not specified | 10" | 12" | 12" | 12" | 12" | not specified | not specified | 12 inch | 12'' | 12" | 12" |
| Seat Height | 17.3" | not specified | not specified | 17.9 inches | 16 7/8" | not specified | 17" | 16.5-inch | standard height | 20 inch | not specified | 16.25 inch | not specified | 15.5" | not specified |
| Bowl Shape | Elongated | round | elongated | elongated | Elongated | Elongated | round | round | elongated | Elongated | elongated | Round | round | elongated | round |
| MaP Flush Score | 1000g | not specified | not specified | not specified | 800g | 800g | 1000g | not specified | not specified | not specified | 1000g | 1000g | not specified | not specified | not specified |
| Toilet Type | One-piece | one-piece | one-piece | one-piece | One-piece | One-piece | one-piece | one piece | one piece | One Piece | one-piece | One Piece | one-piece | one piece | one-piece |
| Design Style | not specified | not specified | not specified | not specified | not specified | not specified | Modern | Modern | not specified | not specified | not specified | not specified | Modern | not specified | not specified |
| Target Space | Small Bathrooms | Small Bathrooms | not specified | not specified | not specified | Small Bathrooms | Small Bathrooms | Small Bathrooms | not specified | not specified | not specified | Small Bathrooms | Small Bathrooms | not specified | Small Spaces |
| Included Components | not specified | not specified | not specified | Bidet | not specified | not specified | Soft Close Seat | Soft Close Seat | not specified | Soft Close Seat | not specified | not specified | not specified | Soft Close Seat | Soft Close Seat |
| Color | White with Chrome Button | White with Chrome Button and Standard Height | Glossy White | Lily White | White with Chrome Button and Standard Height | Standard White with Dual Flush | White 12 Inch Rough In | White | Glossy White | White | White | White | White | White | White |
| Shape | Elongated | not specified | Elongated | Elongated | Elongated | Elongated | Round | not specified | not specified | Elongated | Elongated | not specified | not specified | Elongated | not specified |
| Heated Seat | not specified | not specified | not specified | Heated Seat | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Warm Water | not specified | not specified | not specified | Warm Water | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Air Dryer | not specified | not specified | not specified | Air Dryer | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Night Light | not specified | not specified | not specified | Night Light | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Design | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece | One Piece |
| Dimensions | 26.6 × 15 × 26 inches | 27.2 × 15 × 27.6 inches | 27 × 15.2 × 31.3 inches | 26.8 × 16.5 × 17.9 inches | 28.2 × 14.2 × 27 inches | 28.8 × 14 × 28 inches | 25.6 × 14.8 × 27 inches | 25 × 13.4 × 28.4 inches | 26 × 14 × 29 inches | 28.5 × 14.5 × 33.3 inches | 26.6 × 14.4 × 27.1 inches | 24.5 × 14.1 × 27.5 inches | 24.6 × 13 × 27.8 inches | 26.5 × 15 × 31 inches | 24.6 × 13 × 27.8 inches |
| Weight | 99.2 pounds | 78 pounds | 109 pounds | not specified | 99 pounds | 101 pounds | 93 pounds | 90 pounds | 90 pounds | 132 pounds | 97 pounds | not specified | 86 pounds | not specified | 88 pounds |
| Size | 12" Rough-in | 10" Rough-In | 12" Rough-in | not specified | 10" Rough In | 12" rough in | not specified | 12" Rough-in | 12" Rough-in | not specified | 26.63"D x 14.37"W x 27.07"H | not specified | 12" Rough-In | not specified | not specified |
| Model | T0338W | DV-1F52812R | SM-1T254 | OPT41 | DV-1F026 | HR-ST076WD | SH-S001 | HWMT-8733 | SM-1T112 | B0910 | DV-1F52508 | AR03 | DV-2F52531 | MOTB7W | DV-1F52813-VC |
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Check Dimensions and Bowl Shape
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Measure Width and Length
You must verify the physical footprint to ensure the toilet fits your space. The HOROW HR-ST076WD is only 14 inches wide, making it ideal for tight quarters. Most standard models measure 15 inches wide. Length varies from 24.5 inches for compact round bowls to 28.8 inches for elongated designs. Measure your available floor space carefully. A longer bowl requires more clearance in front of the toilet. Narrower widths allow for better navigation in small bathrooms. Always compare the exact length and width specs before purchasing.
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Choose Round or Elongated
Bowl shape affects both comfort and space usage. Round bowls are shorter, typically around 24.5 inches in length. They save floor space in small bathrooms. The Casta Diva AR03 uses a round design for compact areas. Elongated bowls are longer, usually 26 inches or more. They offer more room for users. Most models in this list are elongated. Choose round if space is tight. Choose elongated for standard comfort. The shape determines how much room the toilet occupies in your bathroom layout.
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Verify Seat Height Needs
Seat height impacts accessibility and comfort. ADA chair height is approximately 17 inches from the floor. This helps users stand up easily. The HOROW T0338W and Swiss Madison SM-1T254 offer this height. Standard height toilets are lower, around 15 inches. The DeerValley DV-1F52812R uses standard height. Choose ADA height for elderly users or those with mobility issues. Standard height is typical for average users. Check the height spec to match your physical needs. This spec is critical for accessibility compliance and daily comfort.
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Check Included Seat Features
Some models include soft-close seats as standard. This feature prevents the lid from slamming. The BAYROLL SH-S001 and HOROW HWMT-8733 include soft-close seats. Other models may not list this feature. You might need to buy a seat separately. Check the included components list carefully. A soft-close seat reduces noise and wear. It adds convenience for household use. If the data does not mention it, assume it is not included. Verify this detail to avoid unexpected additional costs.
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Consider Smart Toilet Options
Smart toilets offer advanced features beyond flushing. The Erdoru OPT41 includes a heated seat and warm water. It also has an air dryer and night light. These features require electrical outlets. Ensure your bathroom has power access. The manual flush knob allows use during power outages. These models are heavier and more complex. They suit users wanting premium comfort. Standard dual flush toilets are simpler. They do not need electricity. Choose smart options only if you need heated seating or bidet functions.
Frequently asked questions
Which dual flush toilet is best for small bathrooms?
The HOROW HR-ST076WD is a top choice for tight spaces. It measures only 14 inches wide, allowing it to fit where standard 15-inch models cannot. The DeerValley DV-1F52812R is another strong option for small bathrooms, specifically designed for 10-inch rough-ins. Its compact 15-inch width and 27.2-inch length help maximize floor space in compact layouts.
Do these toilets have ADA compliant seat heights?
Several models feature ADA chair height for better accessibility. The HOROW T0338W and Swiss Madison SM-1T254 both offer this accessible seating level. The DeerValley DV-1F52508 and DeerValley DV-2F52531 also provide ADA height. Most other options, such as the DeerValley DV-1F52812R, use standard height seats, so you must check the specifications carefully.
Can I install these toilets with a 10-inch rough-in?
Yes, specific models support 10-inch rough-in installations. The DeerValley DV-1F52812R and the DeerValley DV-1F026 are explicitly designed for this configuration. Most other toilets in this list, including the HOROW T0338W and Swiss Madison SM-1T254, require a standard 12-inch rough-in. Always measure from the wall to the flange center to ensure compatibility before purchasing.
Are these toilets one-piece or two-piece designs?
All the toilets listed in this guide feature a one-piece design. This construction integrates the tank and bowl into a single unit, which typically offers easier cleaning and a sleeker appearance. Examples include the HOROW T0338W, the DeerValley DV-1F52812R, and the Swiss Madison SM-1T254. There are no two-piece options in this specific ranking.
Which model includes a heated seat?
The Erdoru OPT41 is the only model in this list that includes a heated seat. It also provides warm water washing, an air dryer, and a night light. This smart toilet requires a power source for these features. All other toilets in this guide are manual dual-flush models without powered seat or bidet functions.
What is the difference between round and elongated bowls?
Elongated bowls are oval-shaped and offer more seating comfort, while round bowls are circular and save space. The BAYROLL SH-S001 and Casta Diva AR03 feature round bowls, making them suitable for very small bathrooms. Most other models, like the Swiss Madison SM-1T254 and DeerValley DV-1F026, use elongated bowls for standard comfort.
How wide are the narrowest dual flush toilets?
The narrowest models measure 13 inches wide. The HOROW HWMT-8733 and the DeerValley DV-2F52531 both share this compact width. The HOROW HR-ST076WD is slightly wider at 14 inches. Standard models typically measure 15 inches wide. Choosing a narrower model can help you fit the toilet into tighter bathroom layouts.