Ranger CB-28L - Portable Evaporative Air Cooler

The CB-28 is a medium-duty commercial-grade cooler that is well-suited for large industrial space cooling. When temperatures rise and you’re looking for a cost-effective cooling solution, look no further than Cool Boss. The CB-28 evaporative cooler puts out big air - exactly what you’d expect from the world leader in commercial-grade cooling technology. Use it indoors or out and help turn summer to winter with just everyday tap water. Even though the CB-28 is equipped with a whopping 80-gallon auto-refilling reservoir, because of its abundant water-holding size, it can literally run for hours without the need for refilling, just in case you’re using it where no garden hose is available. With an air delivery of 9,020 CFM and coverage of 2,125 square feet, it’s no wonder that the CB-28 is one of our favorites and our customers too. Cool Boss evaporative air coolers provide instant comfort solutions by using water evaporation to reduce surrounding temperatures without consuming l