Some of the low-flow models we tested for our latest report on toilets were less-than-stellar performers. But water shortages and price increases for water make low-flow toilets and the possible savings they can deliver appealing.

Kohler's one-piece Archer toilet uses a canister (instead of the usual flapper) and a wide trap way that the manufacturer claims will improve flushing performance. And since the Archer is a gravity-fed model, it's should be quieter than pressure-assisted toilets.

In the video (right) Bob Markovich, editor of the Consumer Reports Home franchise, checks out the Archer.

Read more of our 2010 International Builders' Show coverage via our Twitter page, blog posts, and videos.

—Gian Trotta

Essential information: Take advantage of rebates for low-flow toilets and use our Weekend Project to save on the installation cost when you buy a new toilet.