Nature's Head Composting Toilet
The default pick for vans, boats and cabins: a proven urine-diverting toilet with a crank, a tiny fan draw and a five year warranty.
Amazon $1,035 Nature's Head $965$965
The Nature's Head Composting Toilet is the better toilet overall, rated 3.6 to 3.3. The Nature's Head Composting Toilet leads on value. The Air Head Classic wins on capacity. The Nature's Head Composting Toilet costs $130 less ($965 vs $1,095).
Air Head Classic
#15 in Urine-divertingFull review
A configurable urine-diverting toilet for boats and vans, with crank side and tank shape options to fit a tight head and a five year warranty.
Air Head $1,095$1,095
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.
Which should you buy?
- Choose the Nature's Head Composting Toilet for value ($965 vs $1,095).
- Choose the Air Head Classic for capacity (about 80 uses per solids bin, 2 gal urine bottle vs about 60 uses per solids bin, 2.2 gal urine bottle).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every urine-diverting toilet; a clear win is highlighted. How we rank explains each one.
| Factor weight | Nature's Head Composting Toilet | Air Head Classic |
|---|---|---|
| Overall rating | 3.6/5 | 3.3/5 |
| Value 30% | 36 $965 | 24 $1,095 |
| Capacity 25% | 43 about 60 uses per solids bin, 2.2 gal urine bottle | 57 about 80 uses per solids bin, 2 gal urine bottle |
| Power 15% | 100 0.8 W fan | 50 power draw not published (neutral score used) |
| Certification 15% | 50 NSF/ANSI 41 certification not stated (neutral score used) | 50 NSF/ANSI 41 certification not stated (neutral score used) |
| Warranty 15% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Nature's Head Composting Toilet | Air Head Classic | |
|---|---|---|
| Capacity | ||
| Type | Urine-diverting | Urine-diverting |
| Uses per solids bin | 60 uses | 80 uses |
| Urine bottle | 2.2 gal | 2 gal |
| Urine drain option | No | No |
| Agitator | Yes | Yes |
| Power and venting | ||
| Power | 12V | - |
| Fan | 0.8 W | - |
| Vent size | 1.5 in | - |
| Build | ||
| Dimensions | 19 x 19 x 21 in | 18.76 x 19 x 19.75 in |
| Weight | 23 lb | - |
| Warranty | 5 years | 5 years |