sm_jamieson wrote:

Um, are you sure the water tank is not just the one to collect the
water extracted from the air ? The you empty, not fill ?
Or are you saying there are 2 tanks ?
Simon.

One large-ish tank that you fill up from the tap. I'm wondering if it
uses it to improve the efficiency of heat removal via the exhaust pipe?
The air that goes out of the exhaust tube feels damp.

Whatever it does and however it does it, it works extremely well.

shokk