To be honest, my suggestions is skip the hundreds of dollars on a chiller and just get an "in-window" A/C unit. I have one because my room gets pretty hot during the summer and all i have to do to get my tank to cool down is put the fan on medium blast. 5-10 minutes later, the tank is down to 78-80 degrees. And it cant get any colder than that because of the 250w heater i have in there. The A/C unit cost me 65$.. alot cheaper then a chiller and WAY more effective imo
. But then again, i've never seen a chiller in action so yeah.