I have a 22x6x7 ft room framed off and it has 4 tents in a row it gets around 85 in the room I was thinking of going with a 12000 btu mini split on the outside of the tents and blowing air into the tents through either a 240 cfm or 340 cfm inline fan set on a thermostatic controller to keep temps around 75. the other options are either a bigger mini split or hang 3 9000 btu mini splits in each tent and have them keep temps around 75. any suggestions trying to save on electricity so any input thanks in advance!!