rose gold.money! welcome to the forum.
im not a fan of used equipment, but if i was in ur situation with 6 plants already in progress, i would do whatever it takes to get an air conditioner in there. even where im at sitting mid to upper.70s inside without central air, fans alone cant keep up with the 2×4 8 bulb t5 in my veg area without blowin out all the humidity!
you might get away with juggling temps around during veg stage, but trying to do that crap during bloom is a setup for failure. if you want to play this game indoors during the summer with a setup for 6 plants, air conditioning is a necessary expense.
look locally for a refurb or used portable unit. 8000 btu is plenty if you pump in directly to the tent port using a single duct ac, or even better INSIDE the tent if you find yourself one with dual ducts. much more efficient and easy to control.
craigslist, pawn shops, used appliance stores. hell, if you live in a legal state you can find used dual port ac's in the local hydro shops...but you might have to search dilligently with the season upon us already!
youve already spent the big money on what you have so far AND you have already fired up the machine. logic says you will lose more at this point by shutting it down or screwing up your grow/yield than you will come out your pockets for a functional portable air conditioner.
my 2 cents about a pill i had to swallow too, rgm.
best of luck to ya, you DO have a great start there!
