I got an old fridge. Drilled two holes on the side for input and out put. Also put a heater core on the outside off the fridge to also help release heat.
1. Old Mini Fridge. Free
2. $6.00 plastic trash can to put inside of fridge.
3. $28 heater core from oreily auto.
4. Extra tubbing and barbs $ 15
5. $2.00 thermometer dropped in water.
6. $7.00 plug in fan to aim at heater core.
Previous setup. Office water cooler. Worked well for 2 years, but finally died.