comes from a very clean home. it runs great 5000 BTU. it is 110v. filter has been kept cleaned every month. I don't know how much I can tell you about it other than it's a nice little AC. feel free to call me or contact me with a message to move forward. thank you. have a nice day 585-460-3856.. If number of appears to be busy or full email if me if you like. thanks or text thanks again See Less