Which is more efficient, the Portable AC 140L or the Modular AC 140L?

The Modular AC 140L, at 9.8 watt-hours per litre against 9.8. Over 100 litres a day that is a difference of about 0 Wh.

Which makes more water, the Portable AC 140L or the Modular AC 140L?

They are rated the same, at 100–154 L/hr.

On indicative pricing the Portable AC 140L at $5,329, about $131 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.

Head to head · updated 5 September 2026

Rainman Portable AC 140L vs Rainman Modular AC 140L

Both land within a few percent on energy per litre (9.8 against 9.8 Wh/L).

RainmanPortable AC 140L9.8 Wh/LRainmanModular AC 140L9.8 Wh/L

Spec	Portable AC 140L	Modular AC 140L
Brand	Rainman	Rainman
Output	100–154 L/hr	100–154 L/hr
Power draw	1,250 W	1,250 W
Energy per litre	9.8 Wh/L	9.8 Wh/L
Run time for 100 L	0.8 h	0.8 h
Energy for 100 L	984 Wh	984 Wh
Power source	AC 240V	AC 240V
Configuration	Portable	Modular
Membranes	2 × 40in	2 × 40in
Indicative price	$5,329	$5,460
Efficiency rank	10 of 30	12 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 140L 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 140L

Buy the Modular AC 140L 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 Modular AC 140L

Common questions

Which is more efficient, the Portable AC 140L or the Modular AC 140L?: The Modular AC 140L, at 9.8 watt-hours per litre against 9.8. Over 100 litres a day that is a difference of about 0 Wh.
Which makes more water, the Portable AC 140L or the Modular AC 140L?: They are rated the same, at 100–154 L/hr.
Which is cheaper?: On indicative pricing the Portable AC 140L at $5,329, about $131 less than the other. Both figures exclude freight, duty and installation, and Australian dealer pricing normally reads higher.

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