They work really well in my Spanish place... I think the trick is not to buy bargain basement jobbies, so you'll get efficiency, good design for moving air and low noise (you can't hear the motors on mine.. Only the noise of the air which is still quiet unless at full speed as the blades are do much bigger).
I have aircon too but it uses a ruinous amount of electricity.
The fans work really well in all but the hottest of weather....And you can get smart looking ones... I have these.. About €130 each I think they were, but they are about €170 now.
Quiet and make the whole room 'windy' at full speed.
Very effective although they are larger ones at 1.3meters wide I think.
Mine are a brand called lindby.. You can get all sorts of designs to suit your decor.
Loads better than free standing fans.. Powerful, very quiet and of course don't take up any floor /desk space.
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