This is the best aspen cooler on the market. Hercules is proud to sell Phoenix Frigiking coolers. It’s hard to beat our 4-pad bottom discharge model for maximum cool air at minimum energy cost. Ideal for roof installation, this cooler features a unique full-closing damper to seal the unit and prevent winter heat loss. The versatile side discharge unit is perfect for either roof or thru-the-wall installations. Our wide angle pad lancing provides maximum air intake for maximum efficiency. It includes factory 115V pump, float and bleed-off, and a quick disconnect. You have a choice of a 1- or 2-speed motor.