The little machine cools well so far with temperatures outside hovering around 24 Celsius. I鈥檒l try to remember to update review when temperatures get into thirties. The instructions aren鈥檛 fabulously clear. The dial labels are hard to read because of the colours chosen. I almost returned the product because I thought it wasn鈥檛 working. What I thought was Cool on high fan was just fan. I鈥檓 glad I made another effort to read the dial labels.