My folks had purchased this model of IFB Aeration and cooling system around 4 years back and it works perfexyly well till today. It is on more often than not and it keeps the room cool and sound. It has a decent power rating and spares a lot of vitality from being squandered in this way there is sparing in the power charge. I find that IFB ventilation systems and clothes washers are the best as far as execution. They are sheltered and exceptionally easy to use and simple to work. Being a nerd numerous individuals approach me for a few hints with respect to tech and science. At whatever point somebody approach’s me for my assessment which is the best Aeration and cooling system, I prescribe them IFB Ventilation system since its justified, despite all the trouble.