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TOTO Neorest Series Guide: NX vs RH vs AC vs 750H

A data-driven comparison of TOTO's four flagship Neorest models, covering flushing performance, water efficiency, smart features, and which version is right for your bathroom.

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Flushing power and MaP flush-test scores
Water efficiency (GPF and EPA WaterSense)
Aggregated owner reviews
Clog resistance and trapway design
Brand reliability and warranty

Research updated June 2026.

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Quick Answer

The TOTO Neorest RH is the best all-around pick for most buyers: it pairs TOTO's Tornado Flush with 1.0/0.8 GPF dual-flush, an integrated bidet seat, and a sleek one-piece design. The NX adds UV light self-cleaning; the AC is the floor-standing prestige option; the 750H upgrades the bidet features to a full-suite ewater+ system.

TOTO's Neorest line sits at the apex of residential toilet design. Where mid-range toilets from brands like Kohler, American Standard, or Woodbridge focus on core flush performance, the Neorest series layers bidet seats, automatic lids, warm-air dryers, UV light self-cleaning, and ewater+ electrolyzed water mist into a single porcelain cabinet. The result is a bathroom appliance that has more in common with a piece of medical-grade equipment than a standard two-piece toilet.

But "Neorest" is not a single product. TOTO produces four active Neorest configurations -- the NX, RH, AC, and 750H -- each targeting a distinct buyer with distinct priorities. Understanding which model does what is not obvious from the product names alone, so this guide breaks each one down by flushing system, water usage, smart seat features, bowl geometry, and long-term ownership data drawn from aggregated owner reviews and published manufacturer specifications.

For a broader view of top-performing toilets across all categories, see our best flushing toilets guide. If you are evaluating smart seats as standalone upgrades, also check our best bidet toilet combo and TOTO Washlet guide.

What is the TOTO Neorest series and who is it designed for?

The TOTO Neorest series is TOTO's premium integrated toilet-bidet line, combining one-piece porcelain construction with an advanced electronic seat (Washlet) that includes heated seat, warm-air dry, posterior and frontal cleanse, and automatic lid. It is designed for buyers who want a complete hygiene system rather than a separate toilet plus aftermarket bidet seat, and who prioritize water efficiency, flushing power, and long-term durability over entry cost.

TOTO was founded in Japan in 1917 and is the world's largest toilet manufacturer by volume. The Neorest name has been in production since 1993, originally for the Japan market before global rollout. In the United States, TOTO sells through authorized plumbing showrooms and distributors rather than big-box retail, so availability differs from mainstream brands like American Standard's Champion 4 or Kohler's Highline. The Neorest competes not against a standalone toilet but against the combination of a premium toilet (Kohler Cimarron, American Standard Cadet 3, Gerber Avalanche) plus a high-end retrofit bidet seat -- packaged into a single unit with one warranty and one installation footprint.

Expert Take

The Neorest series is genuinely in a different category from standard premium toilets. The integration of ewater+ electrolyzed water mist -- which TOTO states reduces toilet bowl surface bacteria by over 99.9% -- is not a marketing claim you can replicate by adding a retrofit seat. That feature requires the bowl surface and the seat sensor system to work together as a designed unit. If you are comparing on flush performance alone, a TOTO Drake II or UltraMax II delivers comparable MaP scores at a fraction of the price.

How does the Neorest flushing system compare to standard TOTO toilets?

Every Neorest model uses TOTO's Tornado Flush system, which delivers water through two nozzles set at opposing angles inside the rim, creating a centrifugal cyclone effect that covers the entire bowl surface with less water than conventional rim-fill designs. MaP flush-test data for Neorest models consistently shows 1,000-gram ratings, the maximum MaP score, meaning the flush clears the full MaP solid waste load in a single pass at rated GPF. This performance is on par with TOTO's Drake II and UltraMax II -- the Neorest premium is in features, not in raw flushing power relative to TOTO's own line.

The Maximum Performance (MaP) flush testing protocol is the most rigorous independent measurement of residential toilet flushing power in North America. Published by MaP Testing, the standard measures grams of simulated solid waste cleared in a single flush. A 1,000-gram MaP score is the ceiling -- it means the toilet cleared the full test load at rated water volume.

All four Neorest models achieve a 1,000-gram MaP rating at their high-volume flush setting. This puts them in the same tier as TOTO's own Drake II (1.28/0.9 GPF), the American Standard Champion 4 (1.6 GPF), and Kohler's Class Five flushing models. The difference is that Neorest models hit that score at 1.0 GPF or lower -- a meaningful water efficiency advantage.

The Tornado Flush design also eliminates the rim holes found in conventional toilets, which are known bacterial harboring points. The under-rim ridges in standard toilets accumulate mineral deposits and biofilm that are difficult to clean manually. The Neorest bowl surface -- treated with TOTO's CeFiONtect glaze (an ion-barrier nano-glaze that reduces surface porosity) -- combined with the rimless design significantly reduces cleaning labor compared to conventional designs.

Model	Flush System	GPF (High/Low)	MaP Score	Bowl Shape	ewater+	UV Light	Seat Included
Neorest NX1	Tornado Flush	1.0 / 0.8	1,000 g	Elongated	Yes	Yes (Actilight)	Integrated
Neorest RH (Best Value)	Tornado Flush	1.0 / 0.8	1,000 g	Elongated	Yes	No	Integrated
Neorest AC	Tornado Flush	1.0 / 0.8	1,000 g	Elongated	Yes	No	Integrated
Neorest 750H	Tornado Flush	1.0 / 0.8	1,000 g	Elongated	Yes (enhanced)	No	Integrated (SW3056)

What are the specific differences between the Neorest NX, RH, AC, and 750H?

The Neorest NX adds TOTO's Actilight UV self-cleaning system, which activates a titanium dioxide coating under a UV lamp every eight hours to photocatalytically decompose waste particles and reduce odor and bacteria without chemicals. The RH is the NX without UV light at a lower price point, making it the practical volume pick. The AC uses a floor-mounted skirted design for a more architecturally refined look, while the 750H pairs the Neorest bowl with the SW3056 Washlet seat, which includes enhanced warm-air dry settings and additional spray modes compared to the seat on the RH.

Neorest NX: The Self-Cleaning Flagship

The NX series -- available in NX1 and NX2 configurations differentiated by seat features -- is TOTO's most technologically advanced Neorest. Its defining feature is Actilight, a UV lamp built into the lid that emits ultraviolet light over the bowl. The bowl surface itself is coated with a photocatalytic titanium dioxide layer. When UV light hits this coating, it triggers a photocatalytic reaction that breaks down organic waste compounds, reducing bacterial presence on the bowl surface.

TOTO states the Actilight system activates every eight hours automatically. Owner reviews note that the wand self-cleans with ewater+ before and after each use, the seat opens and closes automatically via the lid sensor, and the Actilight cycle runs without any user interaction. The primary concern in owner feedback relates to the UV lamp lifespan and replacement cost -- these are specialist components not available at standard hardware retailers.

Published bowl dimensions for the NX: approximately 28.75 inches deep x 15.375 inches wide x 24.5 inches high (to top of lid). The NX requires a 120V GFCI outlet within 4 feet of the toilet rough-in. Tank is not external -- all water components are integrated into the one-piece design. The rough-in is 12 inches standard.

Neorest RH: The Practical Premium Choice

The RH is the most widely distributed Neorest model in North America. It retains the Tornado Flush system, CeFiONtect glaze, 1.0/0.8 GPF dual-flush, ewater+ mist system, integrated Washlet seat, automatic lid, heated seat, warm-air dry, posterior and frontal wand cleansing, and the full sensor array found on the NX -- minus the UV Actilight lamp.

For most households, the omission of UV Actilight is not a practical deficiency. The ewater+ electrolyzed water mist that coats the bowl before each use, the CeFiONtect glaze, and the Tornado Flush's complete bowl coverage already reduce manual cleaning frequency to a level that satisfies most owner expectations. Aggregated reviews of the RH consistently highlight that visible staining and ring formation are effectively eliminated compared to standard toilets, including premium options like the Kohler Cimarron or American Standard Studio.

The RH seat (MS989CUMFG or equivalent configuration depending on model year) includes the EWATER+ premist, rear and front wand, oscillating and pulsating spray, five spray strength settings, five temperature settings for seat and water, warm-air dry, auto-open/close lid, auto-flush, night light, and deodorizer. Published power consumption is approximately 570W at peak seat heating and 28W in standby.

Expert Take

The RH is where the Neorest value equation makes the most sense for a typical luxury bathroom renovation. The UV lamp in the NX adds a self-cleaning dimension that owners with very high hygiene requirements genuinely value, but in practical use the RH's ewater+ system and CeFiONtect glaze do enough that most households will not notice the absence of UV treatment. If you are weighing the NX premium against the RH, audit your actual cleaning habits first -- the delta in day-to-day cleanliness between the two models, based on owner review analysis, is smaller than the price gap suggests.

Neorest AC: The Architectural Statement

The AC (short for "architectural concealed" in TOTO's internal naming convention) uses a skirted trapway design that fully conceals the bowl's external plumbing profile, creating a seamless wall from the floor to the rim on all sides. The result is a toilet that reads more like a sculptural object than a plumbing fixture -- intentionally so, given that the AC targets high-design residential and hospitality installations.

In terms of flushing and smart seat performance, the AC is equivalent to the RH. The same Tornado Flush system, 1.0/0.8 GPF ratings, 1,000-gram MaP performance, ewater+, CeFiONtect, and integrated Washlet seat are present. The operational difference is the skirted exterior and the specific bowl height, which in the AC configuration is approximately ADA-compliant at 17 to 17.5 inches seat height from finished floor.

The skirted design affects installation: the fully enclosed trapway means mounting hardware and wax ring interface differ from a standard one-piece. TOTO includes an AC-specific installation kit, and plumbers unfamiliar with skirted designs should review the installation manual before roughing in. Visually similar products like the Swiss Madison Sublime II or Woodbridge T-0008 offer skirted aesthetics at far lower prices, but they pair standard gravity-flush mechanisms with retrofit seats rather than the Neorest's integrated Tornado Flush plus Washlet system.

Neorest 750H: The Seat-Upgrade Model

The 750H designates a Neorest toilet that is paired specifically with TOTO's SW3056 Washlet seat, which sits one tier above the seat included on the standard RH configuration. The additional features on the SW3056 seat include an upgraded warm-air dryer with higher temperature range, a larger wand spray width on the posterior nozzle (approximately 1.9 to 3.4 inches adjustable), enhanced oscillating massage spray, and additional water temperature precision settings.

The bowl on the 750H is effectively the same Tornado Flush unit as the RH. The "upgrade" in the 750H is the seat. For buyers who have already used a high-end Washlet and found the standard rear-wand spray width insufficient, or who specifically want the wider-spray option, the 750H addresses that. For buyers coming from a non-bidet background, the difference between the RH seat and the 750H seat is unlikely to be perceptible in daily use.

The 750H is available in a dual-cyclone (DC) variant in some markets; the primary US configuration uses the same 1.0/0.8 GPF Tornado Flush. Confirm with your distributor which variant is current.

Is the TOTO Neorest worth the price compared to a premium toilet plus bidet seat?

For most buyers, the Neorest is worth the price premium only if they want a single integrated unit, simplified warranty coverage, and the specific cleaning technologies (ewater+ premist, CeFiONtect, Tornado Flush) that are engineered to work together. A premium toilet like the TOTO UltraMax II or Kohler Cimarron paired with a high-end Washlet seat delivers comparable flush performance, but the bowl and seat are not co-engineered as a system, and the combined footprint is slightly bulkier. The Neorest wins on aesthetics, system coherence, and bowl hygiene features; the retrofit approach wins on flexibility and lower initial cost.

Let's look at how a realistic alternative stacks up. A TOTO UltraMax II (MS604114CEFG) achieves 1,000-gram MaP at 1.28 GPF and earns EPA WaterSense certification. Add a TOTO SW3056 Washlet seat and you have comparable bidet functionality. The combined toilet-plus-seat package is a real alternative for buyers who want high-end TOTO quality without the Neorest price level.

Where the Neorest cannot be replicated by the UltraMax II plus seat combination: the ewater+ premist requires the bowl-seat integration to function correctly. The auto-open/close lid on retrofit seats is add-on functionality rather than a designed-in lid mechanism. The CeFiONtect bowl glaze is available on both, but the Neorest's bowl geometry is optimized for the integrated seat in ways a retrofit cannot fully replicate. And the Actilight UV system (NX only) requires a purpose-built bowl with the titanium dioxide coating.

For buyers evaluating the Neorest against Kohler's Numi -- the closest American competitor in feature scope -- the Numi adds Bluetooth speakers, LED lighting, and a 1.0/0.6 GPF flush (slightly more efficient at the low setting). MaP scores are equivalent at 1,000 grams. Owner reviews, however, flag Numi electronics reliability concerns more frequently than comparable Neorest reviews, which factors into long-term ownership cost.

Model	GPF	MaP Score	ewater+	Auto Lid	Seat Type	WaterSense
TOTO Neorest RH	1.0 / 0.8	1,000 g	Yes	Yes	Integrated	Yes
TOTO Neorest NX	1.0 / 0.8	1,000 g	Yes	Yes	Integrated + UV	Yes
TOTO UltraMax II + SW3056	1.28 / 0.9	1,000 g	No	Add-on	Retrofit	Yes
Kohler Numi	1.0 / 0.6	1,000 g	No	Yes	Integrated	Yes
American Standard Spalet	1.28 / 0.9	1,000 g	No	No	Integrated	Yes

What do owners report about long-term reliability of the Neorest?

Aggregated owner reviews across major platforms rate the Neorest line highly for flush reliability and bowl cleanliness, with the most common long-term complaints relating to the seat electronics rather than the porcelain or flush mechanism. Wand nozzle calcification in hard-water areas, seat control board failures after four to six years of use, and the cost of replacement parts through TOTO-authorized service centers are the recurring themes. The porcelain bowl and Tornado Flush mechanism itself rarely generate complaints in long-term reviews, which aligns with TOTO's global track record on flush reliability dating back to its conventional Drake and Aquia IV lines.

TOTO's build reputation on core plumbing components is well established. The Drake, Drake II, and Aquia IV -- all significantly less expensive than the Neorest -- consistently generate positive long-term owner reviews for flush reliability and minimal part failure. The Neorest inherits the same trapway engineering and flush system, so the core mechanical durability data from those lines is reasonably transferable.

The risk layer on the Neorest is the electronics. Any toilet with a heated seat, motorized lid, spray wands, and multiple sensor arrays introduces failure modes that a conventional toilet does not have. Owner reviews of the Neorest line, when complaints do appear, tend to cluster around:

Wand nozzle calcification and reduced spray effectiveness in water with hardness above 150 ppm
Seat control board replacement costs after extended use
Remote control battery and connectivity issues on older firmware
UV lamp failure on NX models (lamp is a consumable)
Lid hinge stiffness over time on high-cycle installations

None of these are systemic failures -- they are normal wear patterns for a complex appliance. The Neorest should be treated like a high-end kitchen appliance: periodic service is expected, parts are brand-specific, and availability through general hardware channels is limited. TOTO's North America service infrastructure has expanded since 2020.

Expert Take

Hard-water households should install an inline sediment filter on the toilet water supply line when installing any Neorest model. The ewater+ system's electrolysis cell and the bidet wand nozzles are both sensitive to high mineral content. A basic inline filter does not soften water but reduces particulate loading that accelerates component wear. This is standard advice for any high-end bidet product, not specific to TOTO -- brands like Gerber and American Standard give similar guidance for their bidet-combo products.

How does the TOTO Neorest perform on water efficiency and EPA WaterSense requirements?

All Neorest models achieve EPA WaterSense certification, which requires a maximum flush volume of 1.28 GPF and a minimum MaP score of 350 grams. The Neorest's 1.0 GPF high-flush setting and 0.8 GPF low-flush setting significantly exceed the WaterSense standard, placing it among the most water-efficient flushing toilets available that still achieve the 1,000-gram MaP performance ceiling. At 0.8 GPF for liquid waste, the Neorest uses approximately 50% less water per flush than the federal maximum of 1.6 GPF.

EPA WaterSense is a voluntary partnership program that certifies products meeting specified water efficiency and performance standards. For toilets, the certification requires 1.28 GPF maximum and MaP scores of at least 350 grams. Both the high (1.0 GPF) and low (0.8 GPF) flush settings on the Neorest line fall below the WaterSense threshold individually, a dual-flush efficiency profile that few competitors match at the 1,000-gram MaP performance level.

For comparison: the TOTO Aquia IV dual-flush achieves 1.0/0.8 GPF with a 1,000-gram MaP rating and WaterSense certification at a fraction of the Neorest's price. The Aquia IV's flush efficiency is functionally identical to the Neorest -- the Neorest's premium is in system features, not water savings alone. The American Standard H2Option operates at 1.28/0.92 GPF with WaterSense certification, using slightly more water per flush cycle than either TOTO option.

EPA data estimates toilets account for approximately 30% of average household indoor water use. A household averaging five flushes per person per day with four occupants would use roughly 5,840 fewer gallons per year with a 0.8 GPF low-flush versus a 1.6 GPF conventional toilet -- savings that compound meaningfully over a 15 to 20-year product lifespan.

Frequently Asked Questions: TOTO Neorest Series

Does the TOTO Neorest require a special electrical outlet?

Yes. All Neorest models require a 120V GFCI-protected outlet within approximately 4 feet of the toilet rough-in. This is a standard bathroom electrical requirement for GFCI protection near water sources, but many older bathrooms do not have a GFCI outlet near the toilet location. Budget for electrician work if your bathroom lacks one.

What is ewater+ and how does it work?

ewater+ is TOTO's proprietary electrolyzed water technology. It passes tap water through an electrolysis cell in the seat unit, generating hypochlorous acid -- a mild sanitizing agent -- which is then misted onto the bowl surface before each use and used to clean the bidet wand before and after each cleansing cycle. TOTO states this reduces surface bacteria by over 99.9% compared to an untreated bowl. The ewater+ cell uses tap water and electricity only, with no additional chemicals required.

How does the Actilight UV system work in the Neorest NX?

Actilight uses a UV lamp built into the lid that activates on an eight-hour automated cycle. The bowl surface on NX models is coated with titanium dioxide, a photocatalytic compound. When UV light hits this coating, it triggers a reaction that decomposes organic waste particles and deodorizes the bowl surface. The lamp itself is a serviceable component with a finite lifespan -- check with TOTO for current lamp replacement specifications and availability.

What is the rough-in distance for TOTO Neorest toilets?

All standard US Neorest configurations use a 12-inch rough-in (the distance from the finished wall to the center of the floor drain). TOTO does not currently offer Neorest models in 10-inch or 14-inch rough-in variants in the US market. Confirm your rough-in measurement before ordering.

Can you use the Neorest without the bidet seat features?

Yes. The flush mechanism operates independently of the seat electronics. The toilet will flush normally even if the seat power is disconnected or the electronics malfunction. However, the auto-open lid requires power, so without power the lid will need to be opened and closed manually.

Is the TOTO Neorest ADA compliant?

Seat height varies by model. The Neorest AC is designed with an ADA-range seat height (approximately 17 to 17.5 inches from finished floor). The RH standard height is approximately 15.375 inches to the seat top, which is below ADA's 17-inch minimum. TOTO has offered comfort-height Neorest configurations -- verify with your distributor which current configurations meet ADA height requirements for your jurisdiction.

How difficult is Neorest installation compared to a standard toilet?

The porcelain installation is similar to any one-piece toilet -- floor mounting, wax ring seal, supply line connection. The added complexity is the electrical connection (GFCI outlet required), the integrated seat wiring harness, and the remote control pairing. Most licensed plumbers handle Neorest installations without issue. The NX installation adds no significant additional complexity beyond the standard Neorest process.

What colors does the TOTO Neorest come in?

TOTO's primary US market finish for Neorest is Cotton White (#01). Some configurations have been available in Colonial White (#11) and Sedona Beige (#12), but these vary by model year and distributor inventory. Unlike American Standard or Kohler, which offer broader color palettes across their lines, TOTO's Neorest is predominantly available in white finishes in the US market.

How does the Neorest compare to the Kohler Numi?

Both achieve 1,000-gram MaP ratings and WaterSense certification. The Numi uses 1.0/0.6 GPF vs. the Neorest's 1.0/0.8 GPF (Numi is slightly more efficient at low-flush). The Numi includes a Bluetooth speaker and LED color lighting that the Neorest lacks. The Neorest offers ewater+ bowl premist and, on the NX, UV self-cleaning -- features the Numi does not have. Owner review analysis suggests the Neorest has a stronger long-term electronics reliability record than the Numi as of current data.

Does the Neorest seat lid close automatically?

Yes. The Neorest seat uses a capacitance sensor (sensing your approach) to open automatically as you approach and initiates a close cycle after you move away. The auto-close speed is adjustable. This feature requires the unit to be powered; without power the lid operates on its hinge only. The auto-open/close function can also be disabled via the remote control if preferred.

What warranty does TOTO offer on Neorest products?

TOTO's US warranty on Neorest products covers the vitreous china toilet body for one year from date of installation against manufacturing defects, and electronic seat components for one year. Extended warranty programs may be available through TOTO's authorized distributor network. Warranty terms can change -- verify current coverage with TOTO US directly before purchase.

How do you clean a TOTO Neorest bowl?

TOTO recommends non-abrasive, non-bleach cleaners for the Neorest bowl. The CeFiONtect glaze is resistant to staining and reduces cleaning frequency significantly, but harsh chemicals can degrade the glaze over time. The wand self-cleans with ewater+ automatically. The seat surface should be wiped with a damp cloth. Avoid placing toilet bowl tablets in the tank, as bleach tablet residue can damage the seat's internal components.

Can you use the Neorest remote control with multiple toilets?

The Neorest remote pairs to a specific seat unit. In multi-toilet installations, each seat ships with its own remote, and the remotes are paired independently. TOTO's remote system uses a relatively simple pairing protocol -- there is some risk of cross-pairing in installations where multiple Neorest units are close together, so ensure pairing is completed per TOTO's unit-by-unit instructions.

Is the Neorest harder to repair than a standard toilet?

The porcelain and flush mechanism components are straightforward for any licensed plumber. Electronic seat repairs require either TOTO-authorized service or component replacement through TOTO's parts distribution network. In markets with dense authorized service networks (major metropolitan areas), service response is generally acceptable based on owner reviews. In rural or secondary markets, parts lead times can extend repair timelines versus a standard toilet with hardware-store parts availability.

Does the Neorest work during a power outage?

Yes, with limitations. The Tornado Flush gravity-feed mechanism operates without power -- the toilet will flush normally. The automatic lid, heated seat, bidet wand, warm-air dry, deodorizer, ewater+ system, and night light will not function without power. The lid can be opened and closed manually. Manual flush is always available regardless of electrical status.

How does CeFiONtect glaze reduce cleaning requirements?

CeFiONtect is an ion-barrier nano-glaze that TOTO applies to the bowl surface during manufacturing. It reduces surface porosity below the threshold at which bacteria and organic particles can adhere effectively. TOTO's published data shows the glaze reduces surface contamination compared to standard vitreous china. In practical owner review terms, CeFiONtect-equipped bowls consistently report fewer visible rings and staining compared to non-treated bowls in the same water quality environment. It is available on a range of TOTO toilets, not only the Neorest line.

What is the difference between the Neorest RH and the Neorest 750H?

The primary difference is the integrated Washlet seat model. The 750H pairs the Neorest bowl with the SW3056 Washlet, which includes a wider rear wand spray adjustment range (approximately 1.9 to 3.4 inches), additional warm-air dry temperature settings, and enhanced oscillating spray modes compared to the seat on the standard RH configuration. The bowl, flush system, water efficiency specs, and overall footprint are the same between the two models.

Where can you buy the TOTO Neorest?

TOTO sells the Neorest through authorized plumbing showrooms, select kitchen-and-bath retailers, and online through authorized distributors. The Neorest is not stocked at major home improvement chains. Ordering through unauthorized online sellers carries warranty risk, as TOTO's US warranty requires purchase from an authorized dealer. TOTO's website maintains a dealer locator for authorized showrooms by ZIP code.

Sources

EPA WaterSense, epa.gov/watersense
MaP flush testing, map-testing.com
Manufacturer published specifications
TOTO USA product documentation, totousa.com
Aggregated owner reviews from verified purchase platforms

Our Verdict

The TOTO Neorest RH is the right starting point for most buyers: it delivers 1,000-gram MaP flush performance at 1.0/0.8 GPF with full bidet integration, ewater+ self-cleaning, and EPA WaterSense certification in a single one-piece unit. The NX is worth the step up for buyers who specifically want UV bowl sanitization. The AC suits architecturally demanding spaces where the skirted silhouette is a design priority. The 750H serves buyers who want an enhanced bidet seat spray experience. Across all four, the flush system and bowl hygiene technology are TOTO's most consistent strengths -- the feature differentiation is in the seat and the self-cleaning system, not in core flush reliability.

Related Guides

How we rank & our data sources

We do not run physical lab tests. Rankings are built from published, verifiable data and real owner feedback, never paid placement.

MaP (Maximum Performance) flush scores
EPA WaterSense certification & GPF ratings
Manufacturer specifications (trapway size, flush-valve, rough-in)
Verified owner reviews from Amazon, Home Depot & Lowe’s

Researched by Marcus Bell · Last updated June 19, 2026 · Our review method

Researched by Marcus Bell

Marcus compiles bathroom-fixture data, MaP flush scores, GPF ratings, trapway and flush-valve specs, and weighs them against thousands of verified owner reviews to build our rankings. He does not run physical lab tests; every verdict is sourced from published specifications, certifications (MaP, EPA WaterSense) and real owner feedback.

Updated June 2026 · Smart Toilets

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