The Oreck Steam-It ($179, amazon.com) cleans continuously on one tank for 35-plus minutes, cutting through the smears and stains in its path. Not just for floors, this mop has attachments that clean windows, countertops, and toilets.
Related: Clean Your House in 10 Minutes a Day
Sienna Aqua ProStorage-Friendly
Speedy, thorough, and convenient, the Sienna Aqua Pro ($130, amazon.com) zaps sticky and oily residue from floors, and its handle folds down for easy storage. But in our tests, its water tank was tapped out after only 13 minutes.
Reliable's Steamboy T2Extra-Clean Sweep