Symphany air coolers are probably the best and they are also available in low budget.
The air so cool that it refreshes the mind the whole air in the home. Whenever you come from outside and turn on this cooler it realy feels great.
It comes with a trolley so it is adjustable. You can adjust height of it.
Design is compact, takes low space and easy to install.
So friends if you want a really good cooler and budget oriented too go for this one
