Alex's Cool Product of the Week: Caroma's Redesigned H2Zero Urinal

Environmental Building News first introduced waterless urinals to the green building community--back in February 1998 in a product review of the No-Flush Urinal from the Waterless Company. In the 12 years since then, we've profiled as many as a dozen waterless urinals as they've entered the market.


Most waterless urinals, including those from industry pioneers Waterless Company and Falcon Waterfree Technologies, rely on a plastic cartridge that holds a lighter-than-urine vegetable-oil fluid that serves as the sanitary trap (preventing sewer gases from entering the restroom). Though water savings are dramatic, there are at least four problems with this