Well, your situation is the same as ours, and it won't last long Our family was renovated years ago and moved in before summer, so we are faced with the problem of buying air conditioners. We were going to buy frequency converters and expensive imported ones, but after several weeks' consideration, we bought several wall-mounted Gree ones. Hehe, the series of Xiao Jin Ge and Xiao Jin Jie are quite good, with good performance, and there is a new oasis (this is what we need when we buy it). The difference is not very big.
To tell the truth, for those of us who don't watch the machine all day, frequency conversion can't save much money, and I have never seen any noise in our house. Now I understand that frequency conversion is a gimmick, and it should be that you will get more commission from the promoters who buy frequency conversion ... it is pure speculation. ...