I can't believe the awesome cooling power of this little gem... won't cool your house in 30-degree weather, but definitely a small room. So glad my Dad gave me this cooler, especially with loadshedding, being able to plug it into a power bank is just amazing. Thank you Milex for looking out for those of us without huge aircon budgets! I think the lady who used it for a 16m² room rated wrong, the product works 100% fine for the purpose it was built for..