The Portacool PACCL3600 Portable Evaporative Cooling Unit utilizes a unique, patented housing design to produce effective and efficient cooling indoors or outdoors in dry, arid climates. The Portacool 36-inch single-speed model cools up to 2,100 square feet making it perfect for hospitality tents, warehouses, workshops, outdoor recreational areas and anywhere air conditioning is ineffective or cost prohibitive. This unit features KUUL Pads that self-supportive and produce high efficiency rigid cooling media and. Portacool portable evaporative cooling units perform at a fraction of the cost of standard air conditioning while lowering the surrounding air temperature by as much as 15 to 25 degrees Fahrenheit. This results in an average utility cost of only 7. 5-cents to 28. 2-cents per hour, depending on unit size. Portacool units are and provide long-term dependability plus virtually maintenance-free operation. The Portacool PACCL3600 is assembled in the USA and shipped ready to operate out of the box. 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.