Head to head · updated 5 September 2026

Dessalator D100 DUO vs Schenker Zen 100

Zen 100 costs 1.8× less energy per litre (4.0 against 7.0 Wh/L).

One side of this comparison rests on a reported figure. Dessalator D100 DUO is published by the manufacturer and corroborated across independent lookups, but we have not yet read the figures page-in-hand the way we have for the rest of the table. The comparison is shown because it is still the best available, not because it is settled. Dual-power unit. This row is the DC mode at its stated 700 W maximum; the AC motor is rated separately and is not tabled. How we source figures.

SpecD100 DUOZen 100
BrandDessalatorSchenker
Output100 L/hr100 L/hr
Power draw700 W400 W
Energy per litre7.0 Wh/L4.0 Wh/L
Run time for 100 L1.0 h1.0 h
Energy for 100 L700 Wh400 Wh
Power source12/24V DC12/24/48V DC or AC
ConfigurationModularModular
Membranesnot published2 × 4×21in
Indicative priceon request$9,600
Efficiency rank7 of 302 of 30

Highlighted cells mark the better figure on that row alone. Lower is better for energy, run time and price; higher is better for output.

Buy the D100 DUO if…

Your priorities are output, price and installation rather than energy per litre; on the numbers these two are closely matched.

Get a quote on the D100 DUO

Buy the Zen 100 if…

Your boat runs on solar and every watt-hour is spoken for, because this is the cheaper litre to make; you have no generator and no intention of fitting one.

Get a quote on the Zen 100

Common questions

Which is more efficient, the D100 DUO or the Zen 100?
The Zen 100, at 4.0 watt-hours per litre against 7.0. Over 100 litres a day that is a difference of about 300 Wh.
Which makes more water, the D100 DUO or the Zen 100?
They are rated the same, at 100 L/hr.
Which is cheaper?
We do not have indicative pricing for both of these. Ask a stockist for a landed AUD quote on each.
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