Modern composting toilets range from portable, ultra-light units to fully self-contained systems. All five models below are in stock and ship now:
1. Nature’s Head Classic
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Capacity: 1–2 users per week
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Power: 12 V ventilator fan (hooks to your battery)
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Price: $1,065
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Why We Like It: Fully self-contained, separates solids/liquids cleanly, easy to mount in vans or tiny homes.
Buy on Amazon: https://amzn.to/44pSkiq
2. Separett Villa 9215
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Capacity: 2–4 users per week
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Power: None (passive-vent design)
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Price: $989
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Why We Like It: Urine-diverting for minimal odor, zero electricity needed, ideal for remote cabins.
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Buy on Amazon: https://amzn.to/430Z8AS
3. TRELINO Evo S
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Capacity: 1.2 gal solids / 1.6 gal liquids
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Power: 12 V ventilator fan
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Price: $429.99
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Why We Like It: Ultra-lightweight and portable; designed specifically for tight van spaces, with excellent airflow control.
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Buy on Amazon: https://amzn.to/4iKxhuo
4. Cuddy Portable Composting Toilet
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Capacity: 3.9 gal solids bin
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Power: 12 V fan + carbon filter
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Price: $780
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Why We Like It: Patented agitator reduces waste clinging; duckbill valve stops leaks; long-trip capacity with low odor.
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Buy on Amazon: https://amzn.to/3Yurl1x
5. Sun-Mar GTG Composting Toilet
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Capacity: 7 L liquids / 12 L solids
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Power: None (passive ventilation)
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Price: $599
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Why We Like It: European design, easy drum-rotation mixing, “Compost Magic” coir included—totally waterless and hands-off.
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Buy on Amazon: https://amzn.to/4k2LC6z
Each of these units ships now, so you can pick the one that best fits your vanlife rig or cabin setup. Let me know if you need installation tips or accessory recommendations!