Topping our picks is the American Standard 238AA104.020 VorMax, a feature-packed model we recommend as a stylish upgrade from an existing standard toilet.

The American Standard Champion 4 2002.014, $300, topped Consumer Reports tests of single-flush toilets.

We've tested and reviewed products since 1936. Read CR's review of the American Standard Mainstream 753AA101.020 toilet to find out if it's worth it.

PISCATAWAY, N.J.--If you think that bathrooms are standardized, low-tech places, walk through American Standard's cavernous 2-year-old design center. In one room, 12 toilets are flushing as if ...