Head to head · updated 5 September 2026

Schenker Zen 30 vs Spectra Ventura 150 Deluxe

Zen 30 costs 1.2× less energy per litre (3.7 against 4.5 Wh/L). Zen 30 makes 1.3× the water per hour (30 against 24 L/hr).

SpecZen 30Ventura 150 Deluxe
BrandSchenkerSpectra
Output30 L/hr24 L/hr
Power draw110 W108 W
Energy per litre3.7 Wh/L4.5 Wh/L
Run time for 100 L3.3 h4.2 h
Energy for 100 L367 Wh450 Wh
Power source12/24V DC12/24V DC
ConfigurationModularModular
Membranes1 × 2.5×21in1 × 2.5×20in
Indicative price$6,300$6,000
Efficiency rank1 of 303 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 Zen 30 if…

Your boat runs on solar and every watt-hour is spoken for, because this is the cheaper litre to make; you want tanks full in the shortest possible run, or you have a genset that is going to run anyway.

Get a quote on the Zen 30

Buy the Ventura 150 Deluxe if…

The purchase price matters more to you than the running cost.

Get a quote on the Ventura 150 Deluxe

Common questions

Which is more efficient, the Zen 30 or the Ventura 150 Deluxe?
The Zen 30, at 3.7 watt-hours per litre against 4.5. Over 100 litres a day that is a difference of about 83 Wh.
Which makes more water, the Zen 30 or the Ventura 150 Deluxe?
The Zen 30, at 30 L/hr against 24. That is 1.3 times the output per hour running.
Which is cheaper?
On indicative pricing the Ventura 150 Deluxe at $6,000, about $300 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.
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