ac unit

The brand is good, it already worked perfectly in the room with 12000BTU. I just mounted inside the wall of the tent, but it doesnt cool down even a bit. Just blows like a regular fan. What do you suggest to fix this? Investes too much already. I cut the top of the tent so that the air...

Once again I am asking for your grower knowledge as Im currently running out of ideas so please bear with me. Thanks to this forum my current ongoing Autoflower is absolutely flourishing but as the title suggests that's not why Im here today. Aforementioned Auto is 3 weeks away from harvest and...