Thinktank Composting Toilets Ranked

Last updated: October 31, 2026

1 Thinktank toilet ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size composting toilets here, not third among Thinktank's own.

The Thinktank Waterless Toilet is Thinktank's only current toilet here, ranked #20 of 22 urine-diverting and rated 3.1.

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Thinktank composting toilets 1

  1. Thinktank Waterless Toilet
    #20 urine-diverting3.1Full review

    A household style diverting toilet for cabins and tiny homes with a urine drain, the one to pick if guests need to stand to pee.

    Amazon $1,179
    $1,179
    50 uses12V/120V-

Every toilet ranked