Hi guys I am Vijay now I explain my paraonal experience with voltas 1.5 ton ac.good purchase and an effective product from voltas all copper condenser cools decent sized room in 10/15 minute.out door unit is bigger and heavier than other models.seamless delivery and installation good job by voltas team.i raised installation request myself and after some following of installation was done on next day.it will take 4/5 minutes for cooling my bad room.i am feeling too comfortable to use it.so thanks to voltas for all requirements.