Air Head Tejo
#18 in Urine-divertingFull review
For boats and rigs with a tank to plumb urine into: a slim Air Head with no bottle to carry and a five year warranty, at a premium price.
Air Head $1,275$1,275
The Air Head Tejo is the better toilet overall, rated 3.2 to 3.1. The Air Head Tejo leads on capacity. The Thinktank Waterless Toilet costs $96 less ($1,179 vs $1,275).
Thinktank Waterless Toilet
#20 in Urine-divertingFull 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
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 Air Head Tejo for capacity (about 80 uses per solids bin, urine can drain vs about 50 uses per solids bin, urine can drain).
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 | Air Head Tejo | Thinktank Waterless Toilet |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 9 $1,275 | 17 $1,179 |
| Capacity 25% | 65 about 80 uses per solids bin, urine can drain | 39 about 50 uses per solids bin, urine can drain |
| Power 15% | 50 power draw not published (neutral score used) | 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 6-year warranty |
Specifications
| Air Head Tejo | Thinktank Waterless Toilet | |
|---|---|---|
| Capacity | ||
| Type | Urine-diverting | Urine-diverting |
| Uses per solids bin | 80 uses | 50 uses |
| Urine drain option | Yes | Yes |
| Agitator | Yes | No |
| Power and venting | ||
| Power | - | 12V/120V |
| Vent size | - | 3 in |
| Build | ||
| Seat height | - | 19 in |
| Dimensions | 15 x 17.7 x 18.7 in | 18 x 23.2 x 19 in |
| Weight | - | 30 lb |
| Material | - | Rotationally molded plastic |
| Warranty | 5 years | 6 years |