Alternatives to Schenker.
Modular DC systems built around Schenker's Energy Recovery System. The most efficient litres in the table, aimed squarely at solar-powered liveaboards and long-passage boats without a generator. If you are looking past it, the brand that overlaps most of its output range on the least energy is Spectra, from 4.5 Wh per litre.
If you were looking at…
Each Schenker system paired with the closest system another brand makes, by output — the thing that actually makes two units substitutable. Energy and price differences run in whichever direction the figures put them.
| Schenker | Closest alternative | Energy | Price |
|---|---|---|---|
| Zen 30 30 L/hr · 3.7 Wh/L | Spectra Ventura 200 Tropical 31 L/hr | — | +$1,900 |
| Zen 50 50 L/hr · 4.8 Wh/L | Rainman Portable 24VDC 55L 45–61 L/hr · 11.3 Wh/L | +6.5 Wh/L | −$2,902 |
| Zen 100 100 L/hr · 4.0 Wh/L | Dessalator D100 DUO 100 L/hr · 7.0 Wh/Lreported | +3.0 Wh/L | — |
| Zen 150 150 L/hr | Rainman Portable AC 140L 100–154 L/hr · 9.8 Wh/L | — | — |
Energy column: negative means the alternative uses less per litre. Price column: positive means it costs more.
The other brands, in one line each
Rainman
23 systems, 31.5–222 L/hr, 9.8–19.7 Wh/L. Conventional high-pressure pump.
Spectra
4 systems, 24–64 L/hr, 4.5–4.5 Wh/L. Clark pump energy recovery.
Dessalator
3 systems, 60–100 L/hr, 7.0–9.2 Wh/L. Conventional high-pressure pump. Figures are manufacturer-reported and not yet confirmed by us.
LEDI
1 system, 20–20 L/hr, 10.0–10.0 Wh/L. Conventional high-pressure pump. Figures are manufacturer-reported and not yet confirmed by us.
Common questions
- What is a good alternative to Schenker?
- On the published figures, Spectra: it covers a similar output range and reaches 4.5 watt-hours per litre at its best, against 3.7 for Schenker. Which is right still depends on your power source and whether the system can be installed on your boat — the table above pairs each Schenker model with its closest match by output.
- Is Schenker worth the money?
- On energy, 2 of its 4 systems use less per litre than the nearest system another brand makes at similar output. On price, 1 of 4 undercut that same alternative. Those are different questions and a range can win one while losing the other. We do not rate build quality, reliability or support, because we have not tested these machines; what we can compare is what the manufacturers publish, and that is what the table above does.
- Who sells Schenker in Australia?
- 1 verified business, including Sustainable Water Systems. Availability matters as much as specification — a system nobody services near you is a worse buy than one that is a little thirstier.
Alternatives to the other brands
How “closest” is decided. Nearest by rated litres per hour from a different brand, with efficiency breaking ties. That is a deliberately mechanical rule: it stops the page becoming a list of whatever we would rather sell you, and it matches how people actually shop — first for enough water, then for what it costs to make. Prices are indicative and exclude freight and installation. Methodology.