Meet the Portacool Apex™ 4000, an evaporative cooler that’s nothing short of an innovative powerhouse. It starts with a high-velocity cooler, continues with cutting-edge media technology, and extends to its handle and lightweight housing. Together, you get a powerful, efficient, portable evaporative cooler. Perfect for industrial, commercial, and large event venues: covers 4000 sq. ft., extends its breeze up to 50 ft., and can handle any environment. Like each Portacool Apex™ evaporative cooler, the Apex™ 4000 features our revolutionary CoolSync™ Technology: Letting you schedule runtimes, manage multiple devices, and fully customize your cooling from a simple smartphone app.