The Pro-Kool evaporative cooler is a high-volume cooling unit that comes in 28" and 42" sizes to meet any greenhouse cooling need. Rugged, economical, easy to maintain. High velocity units also available in 42" size.
Schaefer Pro-Kool Evaporative Cooling Works! Many people mistakenly believe they live in a place that is too humid and hot for a Pro-Kool evaporative cooler to be effective. But the laws of physics dictate that as the temperature rises, relative humidity falls.
Use the Pro-Kool evaporative coolers to cool air temperature down 20 degrees!
