Hi Lg14! You can mount The Frame TV above your fireplace. When you install your TV, please keep in mind the TV should not be mounted at more than a 15 degree tilt, and your TV should be installed where it can have proper ventilation, maintaining at least 4 inches between the TV and other objects.
Best Buy offers TV Mounting & Installation services for above fireplace mounting as well: https://www.bestbuy.com/site/tv-home-theater-services/tv-mounting-packages/pcmcat748300648009.c?id=pcmcat748300648009#1 ^Gina