If you knew it, Carrier company is the all those few companies who started 1st time manufacturing in indoor AC in India. So this band is most popular due to its reliability, good quality of part & cheap its easily available, cheap maintenance cost, good performance at quick service all over India at your doorsteps.
This Ac cooled quickly within 5 mins the room, also the noise is very low compared to other products, also minimized external unit so you can easily install it anywhere. If you looking for maximum years of good product durability then go for this product.