Fleet Farm and other stores like them have screw in fans that work to help a load of beans overnight. Neighbor has  a small semi and puts 2 of them in overnight and depending on ambient air can take as much as 2 points out.

https://www.qcsupply.com/grain-aeration-head-only.html?gclid=Cj0KCQiA3b3gBRDAARIsAL6D-N_gqmF506bwzT6oqIxM1qOXm2pDG7H5qs8SbsYHCipTpgJbXGk8z0EaAujZEALw_wcB