You could raise the hood up so there is a gap for air to pass through. I am not sure how to make that look good tho!
Another way is to change the light ... have the ballast external to the tank, but that is an expensive way to go ....
80 gal FW with 30 gal DIY wet/dry/sump.
9 fancy golds, 1 hillstream loaches, 1 rubber-lip pleco (C. thomasi), 3 SAEs, small school of white cloud minnows, planted.