Blue star 3HW18FBTU 1.5 Ton is a good split air conditioner in affordable price its capacity is 1.5 ton and rating is 3 star. It can cool one room of size 10* 15 easily and will gave you peace of mind easily. We are getting very cool air from the conditioner within minutes after turning it on. We also have a option of sleep timer means where we have to set a option for how much time the ac will be on and later sometime it will be turned off automatically and customer service is too effective most of the user would like this device I would highly recomended this air conditioner.