i review this product after 2week usethis cooler is very good air throw is very good and nice coolingi use only water and cooling is niceif u add ice cube then you feel chilled air throw but u should proper ventilation in room open windows doorsi placed my cooler outside room in balcony windowmy room size is 180 square feet and having this cooler air throw covers my whole room noise is very low like table fan u can sleep peacefully