Rainman Portable AC 75L vs Dessalator D100 DUO
D100 DUO costs 2.6× less energy per litre (7.0 against 18.2 Wh/L). D100 DUO makes 1.5× the water per hour (100 against 68.5 L/hr).
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.
| Spec | Portable AC 75L | D100 DUO |
|---|---|---|
| Brand | Rainman | Dessalator |
| Output | 55–82 L/hr | 100 L/hr |
| Power draw | 1,250 W | 700 W |
| Energy per litre | 18.2 Wh/L | 7.0 Wh/L |
| Run time for 100 L | 1.5 h | 1.0 h |
| Energy for 100 L | 1,825 Wh | 700 Wh |
| Power source | AC 240V | 12/24V DC |
| Configuration | Portable | Modular |
| Membranes | 1 × 40in | not published |
| Indicative price | $4,402 | on request |
| Efficiency rank | 27 of 30 | 7 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 Portable AC 75L if…
You want to lift the whole thing off the boat between trips.
Get a quote on the Portable AC 75LBuy the D100 DUO 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 D100 DUOCommon questions
- Which is more efficient, the Portable AC 75L or the D100 DUO?
- The D100 DUO, at 7.0 watt-hours per litre against 18.2. Over 100 litres a day that is a difference of about 1,125 Wh.
- Which makes more water, the Portable AC 75L or the D100 DUO?
- The D100 DUO, at 100 L/hr against 68.5. That is 1.5 times the output per hour running.
- Which is cheaper?
- We do not have indicative pricing for both of these. Ask a stockist for a landed AUD quote on each.