The Koldwave 9KK21 provides 21,200 BTU of portable spot and room cooling. Features include spot cool/room cool thermostat settings, internally insulated fiberglass construction, thermostatic multi-speed fan control, double shaft motor for two fans, R-32 refrigerant, directional nozzles, heavy duty twin wheel casters, self-diagnostic system, washable filters, rust proof ABS panels, compressor overload protection, anti-freeze control, full drain tank switch, automatic restart, compressor time delay, and high pressure safety switch.