I think I am harrassed buying Carrier split AC, Showing a brand and 4 ? mark.My Ac is in guaranteed period and it is not working condition as some kit was damaged, they have no parts available with them...for that I am suffering for last 11 days.i request them, beg them but no solution till now.5 time's mail given and 4 time's customer care number call I have done.my suggestion not to by any product of carrier.