The CB-28 and CB-36 Portable Evaporative Air Coolers from Cool Boss can drop the air temperature up to 26 degrees F using up to 70 percent less energy than conventional air conditioning, says the company. These models include built-in air ionizers, Bluetooth players, LED floodlights that emit 4,000 lm, and swivel casters. The CB-28 is engineered to send air out at 9,020 cfm to cover 2,125 sq. ft. while the higher-capacity CB-36 pumps air out at 12,615 cfm to cover 3,125 sq. ft. The CB-28 measures 52" by 37" by 76.5". The CB-36 measures 66" by 44" by 85". Other key features include an automatic water source shutoff, soft-touch LED controls, and a built-in timer.
