Last summer it was working like ice. When winter came, I turned it off for maybe four months. Now that summer has arrived, I turned it on and it's blowing hot air and not cooling. I don't know what its problem is. I asked about it, and they said it's possibly the coil, possibly the compressor, and possibly out of freon, according to the technician. Anyway, the AC is for sale as is. Whoever wants it, God bless him.