There is a project on todays email, it shows a small dresser made to hide a window air conditioner when it isn't being used in the window. It is taken out of the window and put in a fake dresser on the floor. Perhaps a version of this would work if you can make it to fit where yours is in the wall. This is the address to the post.
https://www.hometalk.com/diy/-23362068?
Perhaps this will help you come up with something. Good Luck and you can do it.
Just did kitchen makeover with wood floors, granite tops, New backsplash and stainless appliances. I want to change my fairly new white microwave to stainless to sav...
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Put a piece of lightweight furniture or large planter there (on wheeled tray)?
Scroll down the page for wall units.
https://aristair.com/blog/24-clever-ways-to-hide-an-ac-unit-indoors-out/
There is a project on todays email, it shows a small dresser made to hide a window air conditioner when it isn't being used in the window. It is taken out of the window and put in a fake dresser on the floor. Perhaps a version of this would work if you can make it to fit where yours is in the wall. This is the address to the post.
https://www.hometalk.com/diy/-23362068?
Perhaps this will help you come up with something. Good Luck and you can do it.