Trelino Composting Toilets Ranked

Last updated: October 31, 2026

3 Trelino composting toilets 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 Trelino's own.

Trelino makes 3 current composting toilets: 3 urine-diverting. Prices run from $299 for the Trelino Evo S to $619.99 for the Trelino Evo L. Its best-rated model: the Trelino Evo S (#10 of 19 urine-diverting, rated 3.6).

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.

Trelino composting toilets 3

  1. Trelino Evo S
    #10 urine-diverting3.6Full review

    A light, power free diverting toilet for weekend van trips, tents and boats where space matters more than capacity.

    Amazon $299
    $299
    6 usesNone needed-
  2. Trelino Evo M
    #11 urine-diverting3.5Full review

    For vans and campers that want a seat closer to normal height than the Evo S without needing power.

    Amazon $519.99
    $519.99
    6 usesNone needed-
  3. Trelino Evo L
    #12 urine-diverting3.5Full review

    The roomiest Trelino: a power free diverting toilet with near normal seat height for longer van trips and small cabins.

    Amazon $619.99
    $619.99
    11 usesNone needed-

Every toilet ranked