I live in phoenix as well. I would use it for chilling your wort if you don't already use recirculated ice water. Or like TomSD suggested a carbon washer is on my list of things to build.
Tap#1 Summer Saison
Tap#2 Amarillo Pale Ale
Primary English Mild
Secondary -Vanilla Chai Mead
Kegged Haüs Hefeweisen #4, Speckled Heifer Cream Ale
Bottled - Cherry Oatmeal Stout, Burbon Vanilla Oatmeal Stout, Blueberry Hefeweisen, Stubborn Baby Pale Ale,