A:AnswerThank you for your question!
Here are the dimensions for the unit as well as the dimensions needed to install in a double hung window.
Unit Dimensions 21.25 x 9 x 12.44
Unit Weight 55.6 pounds
Area To Cool 151-250 square feet
Minimum Window Height 13.38 inches
Maximum Window Width 39.25 inches
Minimum Window Width 26.06 inches
Thank you,
Haier America