Compare Composting Toilets

Closely matched composting toilets side by side, 52 pairs in all. Each pair is scored the same way, with the independent tests and specs that separate them. See the full ranking.

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FirstChoose a product…Air Head Classic – $1,095Air Head Tejo – $1,275BioLet Mini – $1,250BOXIO Toilet – $199.90Compo Closet Cuddy – $850Compo Closet Cuddy Lite – $650Nature's Head Composting Toilet – $965Nature's Head Urine Diverter – $965Nature's Head Weekender – $965OGO Nomad – $199.99OGO Origin Compact – $899.99Separett Tiny – $999Separett Villa – $989Separett Weekend Prime – $549Sun-Mar GTG – $633Trelino Evo L – $619.99Trelino Evo M – $519.99Trelino Evo S – $299TROBOLO WandaGO Lite – $199BioLet 55 – $2,255BioLet 65 – $2,970Sun-Mar Compact – $1,975Sun-Mar Excel – $2,040Sun-Mar Excel NE – $1,825Sun-Mar Spacesaver – $1,935vsSecondChoose a product…Air Head Classic – $1,095Air Head Tejo – $1,275BioLet Mini – $1,250BOXIO Toilet – $199.90Compo Closet Cuddy – $850Compo Closet Cuddy Lite – $650Nature's Head Composting Toilet – $965Nature's Head Urine Diverter – $965Nature's Head Weekender – $965OGO Nomad – $199.99OGO Origin Compact – $899.99Separett Tiny – $999Separett Villa – $989Separett Weekend Prime – $549Sun-Mar GTG – $633Trelino Evo L – $619.99Trelino Evo M – $519.99Trelino Evo S – $299TROBOLO WandaGO Lite – $199BioLet 55 – $2,255BioLet 65 – $2,970Sun-Mar Compact – $1,975Sun-Mar Excel – $2,040Sun-Mar Excel NE – $1,825Sun-Mar Spacesaver – $1,935Compare

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• Urine-diverting 44
• Composting 8

Best Urine-Diverting Composting Toilets

• Separett Weekend Prime vs Sun-Mar GTG
• BOXIO Toilet vs OGO Nomad
• Separett Weekend Prime vs Trelino Evo M
• Separett Weekend Prime vs Trelino Evo L
• OGO Nomad vs TROBOLO WandaGO Lite
• BOXIO Toilet vs TROBOLO WandaGO Lite
• OGO Nomad vs Trelino Evo S
• BOXIO Toilet vs Trelino Evo S
• Sun-Mar GTG vs Trelino Evo L
• Trelino Evo S vs TROBOLO WandaGO Lite
• Trelino Evo M vs TROBOLO WandaGO Lite
• Nature's Head Urine Diverter vs Separett Villa
• Trelino Evo L vs TROBOLO WandaGO Lite
• Nature's Head Urine Diverter vs Separett Tiny
• Nature's Head Composting Toilet vs Separett Villa
• Nature's Head Composting Toilet vs Separett Tiny
• Nature's Head Composting Toilet vs Nature's Head Urine Diverter
• Compo Closet Cuddy Lite vs Sun-Mar GTG
• Trelino Evo M vs Trelino Evo S
• Compo Closet Cuddy Lite vs TROBOLO WandaGO Lite
• Nature's Head Weekender vs Separett Villa
• Nature's Head Weekender vs Separett Tiny
• Air Head Classic vs Nature's Head Urine Diverter
• Compo Closet Cuddy Lite vs Trelino Evo S
• Air Head Classic vs Nature's Head Composting Toilet
• Compo Closet Cuddy Lite vs Trelino Evo M
• Compo Closet Cuddy Lite vs Trelino Evo L
• Compo Closet Cuddy vs Nature's Head Urine Diverter
• Air Head Tejo vs Nature's Head Urine Diverter
• Compo Closet Cuddy vs Nature's Head Composting Toilet
• Air Head Tejo vs Nature's Head Composting Toilet
• Air Head Classic vs Nature's Head Weekender
• Nature's Head Urine Diverter vs OGO Origin Compact
• BioLet Mini vs Separett Tiny
• Air Head Tejo vs Nature's Head Weekender
• Nature's Head Composting Toilet vs OGO Origin Compact
• OGO Origin Compact vs Trelino Evo S
• OGO Origin Compact vs Trelino Evo M
• Air Head Classic vs Air Head Tejo
• OGO Origin Compact vs Trelino Evo L
• Nature's Head Weekender vs OGO Origin Compact
• Air Head Classic vs BioLet Mini
• Compo Closet Cuddy vs OGO Origin Compact
• Air Head Tejo vs BioLet Mini

Best Self-Contained Composting Toilets

• BioLet 55 vs Sun-Mar Excel NE
• BioLet 65 vs Sun-Mar Excel NE
• BioLet 55 vs Sun-Mar Excel
• BioLet 65 vs Sun-Mar Excel
• BioLet 55 vs Sun-Mar Spacesaver
• BioLet 55 vs Sun-Mar Compact
• BioLet 65 vs Sun-Mar Spacesaver
• BioLet 65 vs Sun-Mar Compact