Use a shop fan. Any hardware store will have them.

https://www.amazon.com/MaxxAir-HVFF-20S-REDUPS-20-Inch/dp/B00D2KYVN2/ref=mp_s_a_1_14?dchild=1&keywords=max+air+fan&qid=1612837598&sr=8-14

I slept with that in my room for years.