I use a portable a/c unit by DENBIG to cool the tent. I use the basic model without a battery backup.
The a/c operates using an infrared remote, so it can't be used with a conventional timer. However, it is automated using a hub from Switchbot.
The cold air is blown into the tent while the warmer exhaust is directed up toward the ceiling.
The intake is on the unit outside the tent, so it doesn't remove humidity from the tent. The condensation drains into a 2-gal container.
Temps are kept below 70 F during the day with occasional spikes above 70F. This occurs when I am working in the tent for an extended period of time with the front flap open. Night time temps are in the upper 50's F.
Humidity is monitored and controlled using the Aerostream H19 by Vivosun.
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Humidity is set at 85%.
Each shelf has a 40-mm fan that blows across the lights to prevent the hot air from collecting around the plants. It also provides air current and movement to prevent mold and fungus.