Checkout these restrictions.
We traveled 95 to FLA and passed thru Height Measurement Sensors, It may have been Georgia. You will not go thru the Chesapeake Bay Bridge Tunnel if you are over 13 feet 6 inches
Had to replace the Brisk Air II with a Penguin II both 13.5 KBTU to be under 13 feet 6 inches. We had ordered the low profile but ...
Set our hitch down to 15 inches and raised the pin box up all the way. The bed clearance is 7.5 inches. We are now under 13 feet 6 inches but not by much.
AC noise difference? They are both too noisy to sleep under. Use bedroom AC while downstairs via ceiling duct and no need to increase TV volume. Run the main AC at night.