AIThis post was created with the assistance of artificial intelligence (AI).

Dual flush toilets offer a smart way to save water without sacrificing performance, making them a popular choice for eco-conscious homeowners. The Gerber Maxwell Select stands out as the best overall for its reliable dual flush system and easy maintenance. For those prioritizing comfort, the American Standard H2Option provides an elongated bowl with chair height for easy use. Meanwhile, the HOROW HR-ST076WD offers a sleek, compact design perfect for smaller bathrooms. Around these standout options, buyers face tradeoffs between price, style, and water efficiency. Continue reading for a detailed look at each model and what makes them unique.

Prime Big Deal Days · Oct 6–7Offer from Amazon

Get audio and creator gear delivered free — and shop member deals

  • Fast, free delivery on millions of items
  • Access to Prime Big Deal Days deals on October 6–7
  • Prime Video, Amazon Music and more included
Start your free Prime trial Free trial for eligible customers · Cancel anytime
As an affiliate, we earn on qualifying purchases.
13
compared
7
brands
3
materials
Which dual flush toilet should you buy?
★ Top Pick
Gerber Maxwell Select Round Tw
Best Overall for Water Efficiency and Reliability
Dual-flush system significantly reduces water use
See on Amazon →
Individuals who value comfort and reliable performance in an elongated, ADA-height toilet
American Standard H2Option Dua
Elongated, chair-height seat enhances comfort
View on Amazon →
Urban dwellers with limited bathroom space seeking a modern, easy-to-clean toilet
HOROW HR-ST076WD One Piece Toi
Space-efficient, ideal for small bathrooms
View on Amazon →
Users seeking a comfortable, ADA-height toilet with a sleek appearance for remodel projects
Casta Diva Elongated One Piece
Seamless, modern design for easy cleaning
View on Amazon →
Individuals with mobility challenges or those wanting a taller, ADA-compliant toilet with a clean look
Elongated One Piece Toilet wit
ADA-compliant, excellent for accessibility
View on Amazon →
Pros & cons at a glance
Gerber Maxwell Select Round Tw
✓ Dual-flush system significantly reduces water use
✗ Installation may require professional help
American Standard H2Option Dua
✓ Elongated, chair-height seat enhances comfort
✗ Customer ratings are only average
HOROW HR-ST076WD One Piece Toi
✓ Space-efficient, ideal for small bathrooms
✗ Requires professional installation
Casta Diva Elongated One Piece
✓ Seamless, modern design for easy cleaning
✗ Requires standard 12-inch rough-in
Elongated One Piece Toilet wit
✓ ADA-compliant, excellent for accessibility
✗ Requires standard 12-inch rough-in
DeerValley Compact One Piece T
✓ Space-saving compact footprint ideal for small bathrooms
✗ May require professional installation for best fit
One Piece Sleek Modern Toilet
✓ Comfortable 17-inch ADA height for easy use
✗ Requires professional installation or plumbing experience
DeerValley Elongated One-Piece
✓ Elegant, seamless one-piece design
✗ Heavy ceramic construction complicates movement
Casta Diva Compact One Piece T
✓ Space-saving design fits tight spaces
✗ Limited to 12-inch rough-in sizes
Gerber Maxwell Select Elongate
✓ Efficient dual-flush system reduces water use
✗ Requires more space to accommodate two-piece design
Casta Diva One Piece Toilet El
✓ Seamless, modern design with luxurious gold button
✗ Limited to white color, reducing customization options
HOROW 17 Inch Comfort Height T
✓ Comfortable 17-inch height enhances ease of use for seniors
✗ Taller height may not fit all bathroom configurations
HOROW T0338W One Piece Toilet
✓ ADA chair height for easier sitting and standing
✗ Installation may require professional help due to specific rough-in requirements

Complete the kit

Zip Ties 8 inch (1000 Pack), 40lbs Tensile Strength, Blac...
Zip Ties 8 inch (1000 Pack), 40lbs Tensile Strength, Blac…
Add to your setup →
3000 Pack 4 Inch Black Zip Ties,40 LBS Cable Ties,UV Resi...
3000 Pack 4 Inch Black Zip Ties,40 LBS Cable Ties,UV Resi…
Add to your setup →
Cable Zip Ties,400 Pack Black Assorted Sizes 12+8+6+4 Inc...
Cable Zip Ties,400 Pack Black Assorted Sizes 12+8+6+4 Inc…
Add to your setup →

Key Takeaways

  • The top-ranked dual flush toilets combine water efficiency with reliable flushing performance.
  • Elongated bowls and comfort height seats are consistently favored for ease of use, especially for seniors or those with mobility issues.
  • Design style, such as skirted vs. traditional, impacts ease of cleaning and bathroom aesthetics.
  • Price varies widely, with premium models offering advanced features like soft-close seats and high-tech flushing mechanisms.
  • Size and rough-in measurement are key to ensuring compatibility with existing bathroom plumbing.
2
American Standard H2Option Dua
Best for Comfort and High Performance
1
Gerber Maxwell Select Round Tw
Best Overall for Water Efficiency and Reliability
3
HOROW HR-ST076WD One Piece Toi
Best for Small Spaces and Modern Aesthetics

Our Top Dual Flush Toilets Picks

Gerber Maxwell Select Round Two-Piece Dual-Flush Toilet, WhiteGerber Maxwell Select Round Two-Piece Dual-Flush Toilet, WhiteBest Overall for Water Efficiency and ReliabilityType: Two-piece toiletColor: WhiteFlush mechanism: Dual-flushVIEW ON AMAZONSee Our Full Breakdown
American Standard H2Option Dual Flush Elongated Toilet, Chair Height, WhiteAmerican Standard H2Option Dual Flush Elongated Toilet, Chair Height, WhiteBest for Comfort and High PerformanceBrand: American StandardModel Number: 606AA002.020Type: Two-Piece ToiletVIEW ON AMAZONSee Our Full Breakdown
HOROW HR-ST076WD One Piece Toilet, Dual Flush, Compact Skirted DesignHOROW HR-ST076WD One Piece Toilet, Dual Flush, Compact Skirted DesignBest for Small Spaces and Modern AestheticsDimensions: 28.75″ D x 14″ W x 28″ HFlush Options: 1.1 GPF / 1.6 GPFRough-in Size: 12 inchesVIEW ON AMAZONSee Our Full Breakdown
Casta Diva Elongated One Piece Toilet with 17-inch Comfort Chair Height SeatCasta Diva Elongated One Piece Toilet with 17-inch Comfort Chair Height SeatBest for Comfort and Easy CleaningType: Elongated one-pieceSeat Height: 17 inchesDepth: 27.17 inchesVIEW ON AMAZONSee Our Full Breakdown
Elongated One Piece Toilet with 17.3″ ADA Comfort Chair Height, Dual Flush 1.1/1.6 GPF, Soft Closing Seat, 12″ Rough-InElongated One Piece Toilet with 17.3" ADA Comfort Chair Height, Dual Flush 1.1/1.6 GPF, Soft Closing Seat, 12" Rough-InBest for ADA Accessibility and Seamless DesignSeat Height: 17.3 inchesFlush Rate: 1.1/1.6 GPFRough-In: 12 inchesVIEW ON AMAZONSee Our Full Breakdown
DeerValley Compact One Piece Toilet with Soft-Close Seat, Dual Flush, 12” Rough-In, Skirted DesignDeerValley Compact One Piece Toilet with Soft-Close Seat, Dual Flush, 12'' Rough-In, Skirted DesignBest Compact Design for Small BathroomsDimensions: 24½”L×13⅜”W×28⅜”HRough-In: 12″Flush Rate: 1.1/1.6 GPFVIEW ON AMAZONSee Our Full Breakdown
One Piece Sleek Modern Toilet, ADA Chair Seat Height 17″, Dual Flush 0.9/1.28 GPF, MAP 1000g, 12″ Rough-In, Compact Fully Skirted Round Toilet for BathroomsOne Piece Sleek Modern Toilet, ADA Chair Seat Height 17", Dual Flush 0.9/1.28 GPF, MAP 1000g, 12" Rough-In, Compact Fully Skirted Round Toilet for BathroomsBest for Comfort and Modern AestheticsRough-In: 12 inchesSeat Height: 17 inchesFlush Options: 0.9/1.28 GPFVIEW ON AMAZONSee Our Full Breakdown
DeerValley Elongated One-Piece Toilet with ADA Chair Height Seat, DV-1F0437DeerValley Elongated One-Piece Toilet with ADA Chair Height Seat, DV-1F0437Best ADA-Compliant and Elegant DesignMaterial: CeramicFlush System: Dual-flush (1 GPF / 1.28 GPF)Seat Height: 17.5 inchesVIEW ON AMAZONSee Our Full Breakdown
Casta Diva Compact One Piece Toilet with Dual Flush, 0.8/1.28 GPFCasta Diva Compact One Piece Toilet with Dual Flush, 0.8/1.28 GPFBest Space-Saving and Budget-Friendly ChoiceDimensions: 24.5 inches deepFlush Options: 0.8/1.28 GPFSeat Height: 16.25 inchesVIEW ON AMAZONSee Our Full Breakdown
Gerber Maxwell Select Elongated Two-Piece Dual-Flush Toilet, WhiteGerber Maxwell Select Elongated Two-Piece Dual-Flush Toilet, WhiteBest for Powerful Flushing and ReliabilityType: Two-pieceColor: WhiteFlush mechanism: Dual-flushVIEW ON AMAZONSee Our Full Breakdown
Casta Diva One Piece Toilet Elongated with 17.5″ Comfort Seat, GoldCasta Diva One Piece Toilet Elongated with 17.5" Comfort Seat, GoldBest for Style and AccessibilityMaterial: CeramicColor: WhiteSeat Height: 17.5 inchesVIEW ON AMAZONSee Our Full Breakdown
HOROW 17 Inch Comfort Height Toilet, ADA Chair Height Two Piece Elongated Toilet with Soft Close Seat and Dual Flush, 12″ Rough-InHOROW 17 Inch Comfort Height Toilet, ADA Chair Height Two Piece Elongated Toilet with Soft Close Seat and Dual Flush, 12" Rough-InBest for Comfort and Clarity in FunctionHeight: 17 inchesRough-In: 12 inchesFlush Performance: MAP 1000gVIEW ON AMAZONSee Our Full Breakdown
HOROW T0338W One Piece Toilet with ADA Chair Height 17.3″ Dual FlushHOROW T0338W One Piece Toilet with ADA Chair Height 17.3" Dual FlushBest for Small Spaces and AccessibilityDimensions: 26.6″D x 15″W x 26″HSeat Height: 17.3″Flush Options: 1.1/1.6 GPFVIEW ON AMAZONSee Our Full Breakdown
Specs at a glance
dual flush toiletMaterialDimensionsSeat Height
Gerber Maxwell Select Round Tw———
American Standard H2Option Dua———
HOROW HR-ST076WD One Piece ToiCeramic28.75" D x 14" W x 28" H—
Casta Diva Elongated One Piece——17 inches
Elongated One Piece Toilet witCeramic—17.3 inches
DeerValley Compact One Piece TOne-piece ceramic24½"L×13⅜"W×28⅜"H—
One Piece Sleek Modern ToiletCeramic25.5"D x 14.7"W x 27"H17 inches
DeerValley Elongated One-PieceCeramicDepth: 26.77 inches, Width: 14.5 inches, Height: 26.6 inches17.5 inches
Casta Diva Compact One Piece T—24.5 inches deep16.25 inches
Gerber Maxwell Select Elongate———
Casta Diva One Piece Toilet ElCeramic25.39" D x 14.56" W x 26.57" H17.5 inches
HOROW 17 Inch Comfort Height TGlazed ceramic——
HOROW T0338W One Piece Toilet Ceramic26.6"D x 15"W x 26"H17.3"

More Details on Our Top Picks

  1. Gerber Maxwell Select Round Two-Piece Dual-Flush Toilet, White

    Gerber Maxwell Select Round Two-Piece Dual-Flush Toilet, White

    Best Overall for Water Efficiency and Reliability

    View on Amazon

    The Gerber Maxwell Select stands out for its dual-flush system that balances water savings with reliable flushing performance, comparable to the American Standard H2Option but with a more straightforward design. Its soft-close round seat enhances comfort and reduces noise, making it ideal for primary bathrooms. While installation might require a professional, its clog-resistant trapway ensures fewer issues over time. Compared with larger models, this toilet’s compact shape is perfect for smaller bathrooms, though the round seat may not appeal to those seeking elongated comfort.

    Pros:
    • Dual-flush system significantly reduces water use
    • Soft-close seat minimizes noise and prevents slamming
    • Clog-resistant trapway ensures reliable flushing
    Cons:
    • Installation may require professional help
    • Round seat may not suit all preferences

    Best for: Homeowners prioritizing water efficiency and quiet operation in secondary bathrooms

    Not ideal for: Users who prefer elongated bowls or need a toilet with a more modern, sleek look

    • Type:Two-piece toilet
    • Color:White
    • Flush mechanism:Dual-flush
    • Flush options:1.28 gpf and 1.0 gpf
    • Seat:Soft-close round seat
    • Trapway:Smooth glazed
    Our verdict
    “This model is ideal for those seeking a reliable, water-saving toilet with quiet features, especially in smaller bathrooms.”
  2. American Standard H2Option Dual Flush Elongated Toilet, Chair Height, White

    American Standard H2Option Dual Flush Elongated Toilet, Chair Height, White

    Best for Comfort and High Performance

    View on Amazon

    The American Standard H2Option excels with its elongated, chair-height bowl, offering exceptional comfort for users who prioritize ease of sitting and standing. Its dual-flush system provides 0.92 and 1.28 GPF options, making it highly water-efficient, especially compared to standard models like the Gerber Maxwell. The inclusion of a slow-close seat and EverClean surface simplifies maintenance and reduces noise. However, its average customer rating suggests some users experience issues with installation or durability, and its limited color options might not suit all bathroom aesthetics.

    Pros:
    • Elongated, chair-height seat enhances comfort
    • Water-efficient dual-flush saves significant water
    • Includes slow-close seat and easy-to-clean surface
    Cons:
    • Customer ratings are only average
    • Installation can be complex for some users
    • Limited color choices

    Best for: Individuals who value comfort and reliable performance in an elongated, ADA-height toilet

    Not ideal for: Budget-conscious buyers or those preferring a compact, space-saving design

    • Brand:American Standard
    • Model Number:606AA002.020
    • Type:Two-Piece Toilet
    • Color:White
    • Bowl Shape:Elongated
    • Height:16.5 inches
    Our verdict
    “This toilet suits those who prioritize comfort and performance over installation simplicity or color variety.”
  3. HOROW HR-ST076WD One Piece Toilet, Dual Flush, Compact Skirted Design

    HOROW HR-ST076WD One Piece Toilet, Dual Flush, Compact Skirted Design

    Best for Small Spaces and Modern Aesthetics

    View on Amazon

    The HOROW HR-ST076WD offers a space-saving, sleek design with its compact one-piece construction and skirted trapway, making cleaning easier and quicker. Its dual-flush system with 1.1 and 1.6 GPF options balances water efficiency with effective flushing, particularly suitable for small apartments or powder rooms. Compared to taller or elongated models, this toilet’s compact form maximizes space, though it requires professional installation and confirmation of rough-in measurements, which could complicate DIY setups.

    Pros:
    • Space-efficient, ideal for small bathrooms
    • Dual-flush reduces water use
    • Skirted trapway simplifies cleaning
    Cons:
    • Requires professional installation
    • Need to verify rough-in size before purchase

    Best for: Urban dwellers with limited bathroom space seeking a modern, easy-to-clean toilet

    Not ideal for: Users needing a taller or elongated bowl for enhanced comfort or those who prefer DIY installation

    • Dimensions:28.75″ D x 14″ W x 28″ H
    • Flush Options:1.1 GPF / 1.6 GPF
    • Rough-in Size:12 inches
    • Seat:Soft-close PP seat
    • Material:Ceramic
    • Warranty:Lifetime
    Our verdict
    “This toilet is perfect for space-conscious buyers who want a modern look with reliable dual-flush performance.”
  4. Casta Diva Elongated One Piece Toilet with 17-inch Comfort Chair Height Seat

    Casta Diva Elongated One Piece Toilet with 17-inch Comfort Chair Height Seat

    Best for Comfort and Easy Cleaning

    View on Amazon

    The Casta Diva elongated one-piece toilet combines a modern seamless design with a powerful siphon flush, making it highly effective at clearing waste quietly and efficiently. Its 17-inch ADA height ensures easy access for users with mobility concerns, and the dual-flush system conserves water. While its 12-inch rough-in is standard, the included hardware may require additional tools or parts for installation. Its sleek look and quiet operation make it a strong candidate for remodels, though it’s less suited for small bathrooms with space constraints.

    Pros:
    • Seamless, modern design for easy cleaning
    • Powerful siphon flush with quiet operation
    • Water-efficient dual-flush system
    Cons:
    • Requires standard 12-inch rough-in
    • Includes only basic hardware, may need extra tools
    • Limited dimensions for tight spaces

    Best for: Users seeking a comfortable, ADA-height toilet with a sleek appearance for remodel projects

    Not ideal for: Small bathrooms or those with irregular rough-in measurements requiring custom solutions

    • Type:Elongated one-piece
    • Seat Height:17 inches
    • Depth:27.17 inches
    • Width:14.37 inches
    • Height:25.39 inches
    • Flush Rating:1.1 GPF / 1.6 GPF
    Our verdict
    “This toilet is well-suited for those prioritizing comfort, aesthetics, and quiet, efficient flushing in larger or remodel settings.”
  5. Elongated One Piece Toilet with 17.3″ ADA Comfort Chair Height, Dual Flush 1.1/1.6 GPF, Soft Closing Seat, 12″ Rough-In

    Elongated One Piece Toilet with 17.3" ADA Comfort Chair Height, Dual Flush 1.1/1.6 GPF, Soft Closing Seat, 12" Rough-In

    Best for ADA Accessibility and Seamless Design

    View on Amazon

    The Elongated One Piece Toilet with a 17.3-inch ADA height offers exceptional comfort and accessibility, comparable to the Casta Diva but with a slightly taller seat for easier standing. Its dual-flush system ensures water savings, and the soft-close seat adds to user convenience. Its seamless, sleek body simplifies cleaning, making it especially suitable for remodels or for users with mobility issues. However, the need for a standard 12-inch rough-in and potential professional installation makes it less ideal for quick DIY upgrades.

    Pros:
    • ADA-compliant, excellent for accessibility
    • Dual-flush system reduces water consumption
    • Soft-close seat and seamless design
    Cons:
    • Requires standard 12-inch rough-in
    • Installation may need professional help

    Best for: Individuals with mobility challenges or those wanting a taller, ADA-compliant toilet with a clean look

    Not ideal for: Homeowners with non-standard rough-in sizes or seeking a more budget-friendly option

    • Seat Height:17.3 inches
    • Flush Rate:1.1/1.6 GPF
    • Rough-In:12 inches
    • Material:Ceramic
    • Certification:WaterSense, DOE, cUPC, CEC
    • MaP Score:1000g
    Our verdict
    “This toilet is perfect for those needing ADA compliance combined with modern aesthetics and efficient flushing.”
  6. DeerValley Compact One Piece Toilet with Soft-Close Seat, Dual Flush, 12” Rough-In, Skirted Design

    DeerValley Compact One Piece Toilet with Soft-Close Seat, Dual Flush, 12'' Rough-In, Skirted Design

    Best Compact Design for Small Bathrooms

    View on Amazon

    This model stands out for its space-saving design, making it ideal for small bathrooms where every inch counts. Compared with larger, traditional toilets, it offers a dual flush system that conserves water—up to 16,500 gallons annually—while maintaining powerful flushing performance. The skirted design simplifies cleaning by eliminating crevices, and the soft-close seat adds a quiet touch. However, its 12″ rough-in may limit installation options, and professional setup might be necessary for optimal results. This pick is perfect for those prioritizing space efficiency without sacrificing water savings, but less suitable for standard or larger rough-in sizes.

    Pros:
    • Space-saving compact footprint ideal for small bathrooms
    • Water-efficient dual flush reduces water bills significantly
    • Sleek skirted design simplifies cleaning
    Cons:
    • May require professional installation for best fit
    • Limited to 12-inch rough-in size, restricting options

    Best for: Homeowners with limited bathroom space needing an efficient, easy-to-maintain toilet

    Not ideal for: Users with non-standard rough-in sizes or those preferring DIY installation

    • Dimensions:24½”L×13⅜”W×28⅜”H
    • Rough-In:12″
    • Flush Rate:1.1/1.6 GPF
    • Weight Capacity:250 lbs
    • Material:One-piece ceramic
    • Seat:Soft-close PP seat
    Our verdict
    “This toilet is best suited for small bathrooms where space is tight but water savings matter.”
  7. One Piece Sleek Modern Toilet, ADA Chair Seat Height 17″, Dual Flush 0.9/1.28 GPF, MAP 1000g, 12″ Rough-In, Compact Fully Skirted Round Toilet for Bathrooms

    One Piece Sleek Modern Toilet, ADA Chair Seat Height 17", Dual Flush 0.9/1.28 GPF, MAP 1000g, 12" Rough-In, Compact Fully Skirted Round Toilet for Bathrooms

    Best for Comfort and Modern Aesthetics

    View on Amazon

    This fully skirted, modern toilet excels in offering a comfortable 17-inch ADA chair height, making it ideal for taller users or those with mobility concerns. Its dual flush system balances water efficiency with performance, rivaling models like the DeerValley for flush strength while providing enhanced comfort. The quick-release seat simplifies cleaning, and the compact design fits well in space-constrained bathrooms. The main tradeoff is that installation could be challenging without plumbing experience, and the water supply pipe must be purchased separately. This model makes the most sense for those who want a sleek, accessible toilet that combines style with function but may not be suitable for DIYers or tight rough-in spaces.

    Pros:
    • Comfortable 17-inch ADA height for easy use
    • Dual-flush saves water without sacrificing flushing power
    • Fully skirted, easy-to-clean design
    Cons:
    • Requires professional installation or plumbing experience
    • Water supply pipe and flange must be purchased separately

    Best for: Taller users, seniors, or those seeking an accessible, stylish toilet with efficient flushing

    Not ideal for: Homeowners comfortable with DIY installation or with non-standard plumbing configurations

    • Rough-In:12 inches
    • Seat Height:17 inches
    • Flush Options:0.9/1.28 GPF
    • MAP:1000 grams
    • Dimensions:25.5″D x 14.7″W x 27″H
    • Material:Ceramic
    Our verdict
    “Ideal for those prioritizing comfort, accessibility, and modern aesthetics, provided professional installation is available.”
  8. DeerValley Elongated One-Piece Toilet with ADA Chair Height Seat, DV-1F0437

    DeerValley Elongated One-Piece Toilet with ADA Chair Height Seat, DV-1F0437

    Best ADA-Compliant and Elegant Design

    View on Amazon

    This seamless, elongated one-piece toilet combines ADA compliance with a sleek, low-profile look. Its dual-flush system (1 GPF / 1.28 GPF) ensures water efficiency comparable to the DeerValley Compact, but with a more stylish, elongated bowl that offers added comfort. The soft-close, quick-release seat enhances convenience and quiet operation, making cleaning simpler. Compared to other models like the Casta Diva, this toilet offers a more refined appearance, though it’s heavier and may pose challenges during installation. It’s perfect for those seeking a stylish, accessible fixture that balances form and function, though less suitable for DIYers or smaller spaces where weight and size could be issues.

    Pros:
    • Elegant, seamless one-piece design
    • ADA height for easy accessibility
    • Powerful dual-flush performance
    Cons:
    • Heavy ceramic construction complicates movement
    • Professional installation recommended

    Best for: Users needing an ADA-compliant, stylish toilet with minimal maintenance

    Not ideal for: Homeowners who prefer lightweight fixtures or have tight installation spaces

    • Material:Ceramic
    • Flush System:Dual-flush (1 GPF / 1.28 GPF)
    • Seat Height:17.5 inches
    • Dimensions:Depth: 26.77 inches, Width: 14.5 inches, Height: 26.6 inches
    • Rough-in Size:12 inches
    Our verdict
    “This toilet offers a stylish, accessible option for those valuing elegance and compliance, with installation considerations in mind.”
  9. Casta Diva Compact One Piece Toilet with Dual Flush, 0.8/1.28 GPF

    Casta Diva Compact One Piece Toilet with Dual Flush, 0.8/1.28 GPF

    Best Space-Saving and Budget-Friendly Choice

    View on Amazon

    This compact, one-piece toilet excels in tight spaces, thanks to its streamlined design that simplifies cleaning. Its dual flush system (0.8 GPF / 1.28 GPF) offers significant water savings, comparable to higher-end models like DeerValley but at a lower price point. The comfort height seat and soft-close lid add user convenience, making it a solid choice for budget-conscious homeowners or small bathrooms. The main tradeoff is its limited rough-in size, which may restrict installation options, and the warranty period is shorter, at just one year. It’s best suited for those seeking an affordable, space-efficient toilet that still delivers on water efficiency and ease of use.

    Pros:
    • Space-saving design fits tight spaces
    • Dual-flush conserves water effectively
    • Soft-close, quick-release seat for easy cleaning
    Cons:
    • Limited to 12-inch rough-in sizes
    • Warranty limited to 1 year

    Best for: Budget-conscious buyers with small bathrooms needing a space-efficient dual-flush toilet

    Not ideal for: Those with non-standard rough-in sizes or seeking extended warranty coverage

    • Dimensions:24.5 inches deep
    • Flush Options:0.8/1.28 GPF
    • Seat Height:16.25 inches
    • Certification:CUPC
    Our verdict
    “A practical, affordable option for small bathrooms that need reliable water savings and easy maintenance.”
  10. Gerber Maxwell Select Elongated Two-Piece Dual-Flush Toilet, White

    Gerber Maxwell Select Elongated Two-Piece Dual-Flush Toilet, White

    Best for Powerful Flushing and Reliability

    View on Amazon

    This two-piece toilet emphasizes high-performance flushing with its dual-flush mechanism, offering 1.28 and 1.0 GPF options to balance water use and cleanliness. Its elongated bowl provides added comfort, but unlike the fully integrated designs like DeerValley or Casta Diva, it requires more space and may be less convenient to clean around. The soft-close elongated seat prevents noise while sitting or closing, and the clog-resistant trapway ensures reliable operation. Compared with single-piece models, the two-piece design allows for easier repairs but adds complexity to installation. It’s a strong choice for those seeking durability and powerful flushing, though less suited for small or cramped bathrooms due to size.

    Pros:
    • Efficient dual-flush system reduces water use
    • Strong, clog-resistant flush with smooth trapway
    • Elongated seat offers extra comfort
    Cons:
    • Requires more space to accommodate two-piece design
    • Installation may need professional help

    Best for: Homeowners prioritizing reliable, clog-resistant flushing in primary or secondary bathrooms

    Not ideal for: Small bathrooms with limited space or those preferring a seamless, one-piece look

    • Type:Two-piece
    • Color:White
    • Flush mechanism:Dual-flush
    • Flush rates:1.28 and 1.0 gpf
    • Seat:Soft-close elongated
    Our verdict
    “Ideal for those valuing dependable flushing power and durability over space-saving simplicity.”
  11. Casta Diva One Piece Toilet Elongated with 17.5″ Comfort Seat, Gold

    Casta Diva One Piece Toilet Elongated with 17.5" Comfort Seat, Gold

    Best for Style and Accessibility

    View on Amazon

    This elegant, one-piece toilet stands out for its seamless design and luxurious gold button, adding a touch of sophistication to modern bathrooms. Its 17.5-inch height provides extra comfort for users who prefer a more ergonomic seat, especially compared to standard models. The dual-flush system offers water savings without sacrificing performance, and the soft-close, quick-release seat enhances convenience. Compared with the HOROW T0338W, which emphasizes space-saving and compactness, the Casta Diva focuses on aesthetic appeal and accessibility, though it comes with a higher price tag and limited color options. This model is best suited for those upgrading a master bath or seeking a statement piece that combines style with functionality.

    Pros:
    • Seamless, modern design with luxurious gold button
    • Comfortable 17.5-inch height suitable for seniors
    • Efficient dual-flush system reduces water use
    • Soft-close, quick-release seat for ease of cleaning
    Cons:
    • Limited to white color, reducing customization options
    • Requires a standard 12-inch rough-in, which may not fit all bathrooms
    • Price not specified, potentially higher than basic models

    Best for: Design-conscious homeowners who want an accessible, stylish toilet with easy maintenance

    Not ideal for: Budget-conscious buyers seeking a more affordable, basic dual-flush toilet without decorative elements

    • Material:Ceramic
    • Color:White
    • Seat Height:17.5 inches
    • Bowl Shape:Elongated
    • Flush System:Dual-flush (1.0/1.28 GPF)
    • Trapway:Wide, fully-glazed
    • Rough-in:12 inches
    • Dimensions:25.39″ D x 14.56″ W x 26.57″ H
    • Includes:Toilet, seat, wax seal, hardware
    Our verdict
    “This pick is ideal for buyers prioritizing style and accessibility in a dual-flush toilet, willing to invest in a sleek design.”
  12. HOROW 17 Inch Comfort Height Toilet, ADA Chair Height Two Piece Elongated Toilet with Soft Close Seat and Dual Flush, 12″ Rough-In

    HOROW 17 Inch Comfort Height Toilet, ADA Chair Height Two Piece Elongated Toilet with Soft Close Seat and Dual Flush, 12" Rough-In

    Best for Comfort and Clarity in Function

    View on Amazon

    Compared with the sleek, integrated design of the Casta Diva, the HOROW 17 Inch is more utilitarian but excels in comfort and performance, especially for taller users or those with mobility concerns. Its ADA chair height makes sitting and standing easier, which surpasses standard height toilets like some compact models. The powerful MAP 1000g flush reduces the risk of clogs, making it a strong choice for high-use households. The dual-flush system conserves water, similar to the Casta Diva, but with a focus on durability and clog resistance. Installation is straightforward with the included kit, yet the taller height might not suit bathrooms with low ceilings or specific aesthetic preferences. This model is best for those prioritizing function, accessibility, and a reliable flush over sleek design.

    Pros:
    • Comfortable 17-inch height enhances ease of use for seniors
    • Powerful MAP 1000g flush reduces clogging and maintenance
    • Water-saving dual-flush system
    • Easy DIY installation with included kit
    Cons:
    • Taller height may not fit all bathroom configurations
    • Limited warranty period of 1 year, less than some competitors
    • Requires a 12-inch rough-in, not universally compatible

    Best for: Tall individuals, seniors, or homes needing a high-performance, clog-resistant toilet

    Not ideal for: Small bathrooms or those who prefer a lower profile toilet for space-saving reasons

    • Height:17 inches
    • Rough-In:12 inches
    • Flush Performance:MAP 1000g
    • Flush Options:1.1/1.6 GPF
    • Seat:Soft close
    • Material:Glazed ceramic
    Our verdict
    “This toilet is well-suited for those seeking durability and comfort, especially taller users or those with accessibility needs.”
  13. HOROW T0338W One Piece Toilet with ADA Chair Height 17.3″ Dual Flush

    HOROW T0338W One Piece Toilet with ADA Chair Height 17.3" Dual Flush

    Best for Small Spaces and Accessibility

    View on Amazon

    Compared to the taller HOROW model, the T0338W emphasizes a compact footprint while maintaining ADA chair height, making it suitable for small bathrooms that need accessible features. Its 17.3-inch height offers similar ease of use for those who struggle with lower toilets, yet the overall size is more space-efficient. The dual-flush system conserves water effectively, matching the performance of larger models, while the soft-close seat adds to quiet operation. Installation might require professional help due to the specific rough-in size, and the all-white color limits aesthetic flexibility. This toilet makes the most sense for users who need accessible height but lack room for larger units, combining functionality with space-efficiency.

    Pros:
    • ADA chair height for easier sitting and standing
    • Compact design fits small bathrooms
    • Water-efficient dual flush system
    • Includes soft-close seat for quieter use
    Cons:
    • Installation may require professional help due to specific rough-in requirements
    • Limited to white color, reducing aesthetic options
    • Potentially higher cost due to specialized size

    Best for: Small bathroom owners needing ADA height and space-saving design

    Not ideal for: Homes where color customization or a more elaborate design is desired, or where installation flexibility is limited

    • Dimensions:26.6″D x 15″W x 26″H
    • Seat Height:17.3″
    • Flush Options:1.1/1.6 GPF
    • Rough-In Size:12″
    • Material:Ceramic
    • Includes:Elongated seat, floor bolts, wax ring, pre-installed flush valve
    Our verdict
    “This toilet is ideal for those needing ADA height in a compact form, especially in small bathrooms with space limitations.”
dual flush toilets
13 Best Dual Flush Toilets for Eco-Friendly Flushing in 2026 34
What makes a great dual flush toilet
1
Water Efficiency and Flush Options
The core benefit of dual flush toilets is water savings through two flush options—usually a lower volume for liquids and a higher
2
Size, Rough-In, and Compatibility
Matching the toilet’s rough-in measurement with your bathroom’s plumbing is essential.
3
Comfort and Accessibility
Comfort height or ADA-compliant models are increasingly popular, especially for individuals with mobility concerns.
4
Design and Ease of Cleaning
Skirted designs tend to be easier to clean due to fewer crevices, whereas traditional models may have more exposed parts requiring
How to choose your dual flush toilet
1
How we picked
Products were evaluated based on a combination of water efficiency, flushing performance, build quality, ease of install
2
Water Efficiency and Flush Options
The core benefit of dual flush toilets is water savings through two flush options—usually a lower volume for liquids and
3
Size, Rough-In, and Compatibility
Matching the toilet’s rough-in measurement with your bathroom’s plumbing is essential.
4
Comfort and Accessibility
Comfort height or ADA-compliant models are increasingly popular, especially for individuals with mobility concerns.
5
Design and Ease of Cleaning
Skirted designs tend to be easier to clean due to fewer crevices, whereas traditional models may have more exposed parts
Vetted dual flush toilets ·
The best dual flush toilets, compared
★ Winner Gerber Maxwell Select Round Tw
Best Overall for Water Efficiency and Reliability
13compared
3materials

How We Picked

Products were evaluated based on a combination of water efficiency, flushing performance, build quality, ease of installation, and user comfort. We prioritized models with proven durability and positive user feedback, especially those that balance water savings with reliable operation. The ranking also considers design features that enhance cleaning and maintenance, as well as value relative to price. Our goal was to identify options suitable for different budgets and needs, from basic models to high-end designs with additional features, ensuring a comprehensive overview for all buyers.

Factors to Consider When Choosing Dual Flush Toilets

Choosing the right dual flush toilet involves considering several key factors that impact both performance and value. Understanding these factors helps avoid common pitfalls like incompatible sizing or excessive water use, and ensures you select a model that fits your bathroom setup and lifestyle. Here are the main considerations to keep in mind when buying a dual flush toilet.

Water Efficiency and Flush Options

The core benefit of dual flush toilets is water savings through two flush options—usually a lower volume for liquids and a higher volume for solids. Look for models with well-tested flush mechanisms that handle waste reliably without clogging. Be wary of overly complex systems that might require costly repairs or maintenance. Opting for models with a proven track record in water conservation can significantly reduce your utility bills over time.

Size, Rough-In, and Compatibility

Matching the toilet’s rough-in measurement with your bathroom’s plumbing is essential. Most standard models use a 12-inch rough-in, but some newer designs accommodate 10 or 14 inches. Failing to confirm this can lead to installation issues or additional costs. Compact or elongated designs also influence space and comfort—elongated bowls tend to be more comfortable but require slightly more space.

Comfort and Accessibility

Comfort height or ADA-compliant models are increasingly popular, especially for individuals with mobility concerns. These toilets sit at a height similar to a standard chair, easing sitting and standing. While these models often come at a premium, the added comfort can be worth it for users with specific needs. Consider seat shape, height, and additional features like soft-close seats to enhance overall usability.

Design and Ease of Cleaning

Skirted designs tend to be easier to clean due to fewer crevices, whereas traditional models may have more exposed parts requiring regular maintenance. Material quality and finish also affect durability and appearance over time. If aesthetic appeal is important, select a model that seamlessly fits with your bathroom decor while maintaining practicality.

Price and Additional Features

Prices for dual flush toilets range from budget-friendly options to high-end models with advanced features like soft-close seats, automatic flushing, or quiet operation. Weigh the importance of these features against your budget. Sometimes, investing a bit more upfront results in better durability and lower maintenance costs long-term, especially with models that include high-quality flushing mechanisms and durable seats.

Frequently Asked Questions

How do dual flush toilets save water compared to traditional toilets?

Dual flush toilets save water by offering two different flush options—typically a lower volume for liquid waste and a higher volume for solid waste. This allows users to select a water-saving flush most of the time, reducing overall water consumption. On average, dual flush models use about 20-60% less water per flush compared to conventional single-flush toilets, leading to noticeable savings on utility bills and a smaller environmental footprint.

Are dual flush toilets prone to clogging or performance issues?

When chosen carefully, dual flush toilets are just as reliable as standard models. The key is selecting models with proven flushing mechanisms and good reviews for handling waste effectively. Some cheaper or poorly designed models may clog more often, especially if the flush volume isn’t sufficient or if the bowl shape isn’t optimized. Reading user feedback and opting for reputable brands can minimize these issues, ensuring smooth operation over time.

What should I consider if my bathroom has limited space?

In smaller bathrooms, compact or wall-mounted dual flush toilets can maximize space and make cleaning easier. Look for models with a smaller footprint or skirted designs that hide the trapway, reducing visual clutter. Always verify the rough-in measurement to ensure compatibility and avoid costly modifications. Choosing a model with a lower height or a one-piece design can also improve space efficiency without sacrificing comfort.

Is it worth paying extra for advanced features like soft-close seats?

Features like soft-close seats add convenience and reduce noise, making them worthwhile for many users, especially in shared or quiet environments. However, they often come with a higher price tag and may require more careful maintenance. If budget is a concern, basic models without these features still deliver reliable water savings and performance. Consider your priorities and whether additional comfort features justify the extra cost.

How long do dual flush toilets typically last?

With proper installation and maintenance, dual flush toilets generally last between 10 to 15 years. Durability depends on the quality of materials and components, especially the flushing mechanism and seat. Investing in reputable brands with good warranties can extend the lifespan and reduce repair costs. Regular cleaning and avoiding harsh chemicals can also help maintain performance over the years.

Conclusion

For those seeking an all-around reliable choice, the Gerber Maxwell Select offers a balanced mix of performance, water savings, and ease of maintenance, making it ideal for most households. Budget-conscious buyers should consider the Casta Diva Compact for its affordability and decent efficiency. If comfort and accessibility are priorities, the HOROW ADA-compliant models deliver excellent height and user-friendly features. For those upgrading a small bathroom or wanting a streamlined aesthetic, compact or skirted designs like the DeerValley models are excellent options. Ultimately, your decision should align with your space, budget, and specific needs—whether it’s performance, comfort, or water efficiency.
HALLOWEEN

Halloween Picks

As an affiliate, we earn on qualifying purchases.

You May Also Like

14 Best Vacuum for Car Detailing to Keep Your Ride Spotless

Discover the top vacuums for car detailing in 2026. Our guide compares powerful, portable, and budget-friendly options to keep your car spotless.

2 Best Monitor Controllers for Mac Studios That Enhance Your Workflow

Discover the top monitor controllers for Mac Studios in 2026. Compare the StudioMan M04 and Mackie Big Knob Studio+ for professional audio control.

4 Best CPUs for VR in 2026 That Elevate Your Gaming

Discover the top CPUs for VR in 2026, from high-end options to budget picks. Find out which fits your gaming and VR needs best today.

15 Best Lightweight Vacuums for Effortless Cleaning & Maneuverability

2025