How many square feet does this 9,000 BTU PTAC cover?

Hello, thank you for reaching out with your question. This 9,000 BTU PTAC unit usually covers a 250-400 square foot space; however, this does vary on the number of windows in a room, the height of the ceiling, as well as the amount of insulation in the walls. Please feel free to reach out with any other questions you may have.