And even in their liquid-waste setting, dual-flush toilets save little water over a capable, single-flush toilet—and can use far more if they require a second flush to completely clear the bowl.

A household using dual-flush toilets can save up to 20,000 liters of water annually compared to traditional single-flush systems. That's a significant reduction, especially in areas where water ...

It makes for a cleaner flush that uses less water. Pressure-assist toilets depend on water pressure to recharge, so they ...