Panasonic CS-A12C Air Conditioner "measure length width height" Questions

...is in theory correct as Terry quoted. But accurately: Measuring the room... length x width x height 12 x 12 = Square Feet of the room - 144 Sq. Ft. 144 x height of the room = Cubic Feet of the ...

...happen 2-3 months. Panasonic model no: CS-XC9CKH Measure room and calculate btu's Formula Length times Width times Height Times Eighteen divde by Five. Example: 12 x 15 x 9 x 18 / 5 = 5832 ...