I’m not sure what you keep your house temp but that helps too. I bought this fan off of amazon and it works really well and isn’t expensive if you were looking for a cheaper option instead of chillers. Chillers are really expensive. Here’s the link :

LONDAFISH Aquarium Chillers Aquarium Fan Fish Tank Cooling Fan Marine 2 Fan https://www.amazon.com/dp/B07FCJGZ4H/ref=cm_sw_r_cp_api_i_95ZGSVWH2W2R62B1XD0F?_encoding=UTF8&psc=1