Scheer said the new type of toilet uses much less water and electricity than is required to produce toilet paper. Because the water stream is small and aerated, each "use" of a high-tech seat requires under one- to two-tenths of a gallon of water, he said.
One high-tech seat adds around $50 to $60 to the average household's annual electric bill, but saves much more than that on the cost of toilet paper, the companies say.
Still, Krakoff warned that it is too soon to say good-bye to toilet paper.
"As much as I love these things, I would never say, 'Don't put paper next to your toilet,'" he said. "But if a roll used to last you two days, it will last you two weeks or so."