Please use exact measurements. Do not take any deductions. The window must have at least 2?minimum of flat wall surface around it.

Inside Mount: Measure inside width and height in 3 places. Use the smallest of the 3 to determine the width and height.

Outside Mount: Measure inside width and height in three places. Use the largest of the three to determine the width and height.

We will provide you a quote based on your measurment. If you like our price, we then will go to your place to re-comfirm these measurments.