Many of the peoples causes diseases like Aasthma, liver problems , cancers due to excess amount of bacteria and viruses are present in atmosphere, which are very harmful for our life, But panasonic Air conditioners are best for those you are thinking how Ac’s can purifies air? Well it have a solution for you; 1) It have a filter called catechin filter, that filterpurifies air inside.2) Talk about cooling Panasonic Ac’s are helps you too cool your house by air taking and releasing process.3) The conductor of this Ac is copper, which helps to cool the house very quickly4) As, it has copper conductor no rust will form on the air conditioners5) I would recommend every consumer should buy this product6) I have experienced it before. Thank you