What Is a High-Efficiency Toilet?


Quick Answer

A high-efficiency toilet is one that reduces the amount of water consumed when flushing and that prevents more waste matter from flowing into septic tanks and sewer treatment plants. High-efficiency toilets allow homeowners to save money on their water and energy bills.

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Full Answer

High-efficiency toilets come in three categories: single-flush, dual-flush and pressure-assist. Single-flush toilets use 1.6 gallons per flush. Dual-flushing provides two flushing mechanisms, one option that uses 1.6 gallons of water in a flush, and another option that consumes water at half that volume.

The third category uses 1 gallon per flush and relies on pressure-assist technology, a pressure tank that is fixed in the toilet tank and channels high-energy air and pressure to flush out waste and clean the bowl. This type of toilet is normally found in commercial buildings and hotels, but residents can install them.

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