Start by painting the vents the wall color. Then it's just an empty wall instead of an empty wall with vents.

Can't see enough to offer more. 😉

thank you! i added another picture if that helps and im also going to try and find a local interior designer for help

I had my living room painted recently and the vent cover was painted the same color as the wall. It really does help. Everyone has vents, so even if they're still visible, no worries. Also, don't feel it's necessary to put anything on your walls over 8' or even eye level. Twenty years ago that was more of a thing to do, and there still may be people who have great art collections who do it, but usually the upper space is left empty.

You could use something to the left of the television. Do you have a need for storage at all? Interested in buying a wall unit or getting built-ins? If this is your family room, you could hang family pictures. If you find assembling a gallery wall daunting, shelves allow you to change out the pictures easily and integrate other decorative objects. Some people like symmetrical arrangements while others like something more freeform. While not all of the pictures I'm adding below are of living/family rooms, you can still get ideas from them.

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