Industrial Portable Air Conditioners This industrial portable air conditioner is designed for economical spot cooling in industrial plants, server rooms, hospitals and offices especially where electrical equipment creates a heat load. This AC uses a balanced airflow design that vents through ceiling using an optional ceiling installation kit (sold separately), provides fresh room air, cools with super high efficiency and will not freeze - even when operated 24/7. Unit accessories include two adjustable 16"L air chutes with 6" diameter flanges. Air chutes allow air flow adjustments in 2 separate directions. Air flow can be directed to cover larger areas or can be directed into 2 separate locations, such as 2 large workspaces in a factory. Portable air conditioner relocates using casters, 2 swivel with brakes and 2 rigid. Includes a high-pressure pump (20' of head pressure) to remove condensate. This model requires hard wiring installation. ETL listed. Optional Air Chute Kit Available. 1 Year Limited Warranty. Selecting the proper size is critical. Please call our technical staff for assistance at 1-888-711-6550.