The Portacool PACJS2401A1 Jetstream 240 portable evaporative cooling unit provides maximum adaptability for cooling. The unit is energy-efficient and comes with variable speeds. You can depend on this cooling unit for the long-term as it has nearly maintenance-free operation. The Portacool PACJS2401A1 Jetstream 240 portable evaporative cooling unit comes with a 3-year product warranty. For over 20 years, Portacool, LLC has been the industry leader in the design and manufacturing of portable evaporative cooling units and evaporative cooling media. We specialize in evaporative cooling: HVAC and agriculture products, industrial and commercial products along with personal and residential products.