A:AnswerIt can cool up to 600ft actually, but to more statistics and accurate the model performs at its peek saving you more money and power in a area of 500 square feet
A:AnswerA wall unit should be designed for a wall. The air to cool the unit goes in the sides that might be blocked by the wall. The wall units are more expensive. Take measurements and make sure the side vents won't be blocked by the walls then it should be OK.