I originally wasn't going to bother with one, but with temps the way they are 100+ F I'm a little worried about my tank. This is the 3rd time this year I've had A/C issues. Apparently fixing whatever the root cause is instead of putting a bandaid on things isn't an option for the management at my apt complex. I really don't want to lose several grand worth of livestock. Fortunately the maintenance man will be here by 8pm, but what about when I'm out of town or something and not here to catch the issue? So yeah, I want to go ahead and nip this in the bud so I'm going to invest in a chiller. Can someone recommend a nice reliable and quiet chiller?