Rainman Portable AC 70L vs Spectra Newport 400C
Newport 400C costs 4.4× less energy per litre (4.5 against 19.7 Wh/L). Portable AC 70L is about $9,204 cheaper on indicative pricing.
| Spec | Portable AC 70L | Newport 400C |
|---|---|---|
| Brand | Rainman | Spectra |
| Output | 50–77 L/hr | 64 L/hr |
| Power draw | 1,250 W | 288 W |
| Energy per litre | 19.7 Wh/L | 4.5 Wh/L |
| Run time for 100 L | 1.6 h | 1.6 h |
| Energy for 100 L | 1,969 Wh | 450 Wh |
| Power source | AC 240V | 12/24/48V DC |
| Configuration | Portable | Modular |
| Membranes | 2 × 21in | 1 × 2.5×40in |
| Indicative price | $5,296 | $14,500 |
| Efficiency rank | 29 of 30 | 5 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 70L if…
The purchase price matters more to you than the running cost; you want to lift the whole thing off the boat between trips.
Get a quote on the Portable AC 70LBuy the Newport 400C 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; you have no generator and no intention of fitting one.
Get a quote on the Newport 400CCommon questions
- Which is more efficient, the Portable AC 70L or the Newport 400C?
- The Newport 400C, at 4.5 watt-hours per litre against 19.7. Over 100 litres a day that is a difference of about 1,519 Wh.
- Which makes more water, the Portable AC 70L or the Newport 400C?
- The Newport 400C, at 64 L/hr against 63.5. That is 1.0 times the output per hour running.
- Which is cheaper?
- On indicative pricing the Portable AC 70L at $5,296, about $9,204 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.
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