Geberit offers 7 watersense certified toilets models in the lineup we track. This page is the Geberit-specific cut of the broader EPA WaterSense Certified Toilets toilets category — same product class, narrowed to the Geberit catalog only.
Geberit (Jona, Switzerland, founded 1874) makes the concealed in-wall carriers that 90% of US wall-hung toilet installations sit on — the Duofix and Sigma series — and is independently the largest European supplier of toilet flush plates and dual-flush actuators. Geberit also produces the AquaClean Mera and AquaClean Sela washlet-style smart toilets sold directly in the US, with whirl-spray wash technology and auto self-cleaning.
For the complete Geberit lineup across all sub-types and capacities, see the Geberit Toilets hub.
If you're cross-shopping watersense certified toilets beyond Geberit, the following brands also ship in this category:
EPA WaterSense is the federal voluntary water-efficiency certification program. A WaterSense-certified toilet uses 1.28 gallons per flush or less AND meets a minimum flush performance threshold (MaP score 350g+). Buying WaterSense-certified is the simplest way to ensure you're getting a real high-efficiency toilet, not just a label.
A 1.28 GPF toilet that won't reliably flush solid waste isn't actually water-saving — owners double-flush, defeating the savings. WaterSense certification requires the toilet to pass the MaP (Maximum Performance) test, which measures how much simulated solid waste the toilet clears in a single flush. The minimum threshold is 350g; most WaterSense-certified toilets test at 600–1,000g, well above the threshold.
This is the differen...
For the complete watersense certified buyer's guide (all brands, full comparison framework), see the EPA WaterSense Certified Toilets category hub.
Explore Geberit from other angles: