Window and split air conditioners, cold and hot

Window air conditioner or General 24, window air conditioner Admiral 24, and two Admiral 18 window air conditioners. And a Chinese 18 split air conditioner. (All are cold and hot) Their cooling is excellent, and their noise levels compared to other air conditioners are excellent. All of them are still installed and working, and there is a video for them; test them before dismantling and purchasing.