Originally Posted by
Klondyke
The necessary BTU are given not by the space as more by the constellation of the walls (how many outwards), windows, ceiling, all well insulated? etc. And by the personal liking, more or less frigid? (for the Thai it is always only one same liking... :))
The recommendation of the a/c makers - and of the clever know-it-all shopboys - are always by 2 - 3 size more than it is really needed. For me is most important one feature: how noisy the thing is? (what is, as matter of fact, quite difficult to recognize in the shop with 1,000 dB music).