The Klimaire KSIO018H221OC Light Commercial series Mini Split Outdoor Unit is a high-performance cooling and heating solution designed for commercial spaces. With a cooling capacity of 18000 BTU and a heating capacity of 18000 BTU, this unit can cover up to 1500 square feet, providing ample cooling and heating capacity. The unit features three cooling speeds, allowing you to customize the temperature for your needs. The KSIO018H221OC works quietly, producing a decibel rating of only 47 dBA, making it ideal for quiet settings. It comes with a programmable timer and quiet operation mode, making it easy and convenient to control. The DC inverter technology used in this outdoor unit ensures energy efficiency that helps save on utility bills. The White-colored outdoor unit uses R-410A refrigerant, which is eco-friendly and efficient. It has a washable filter that is easy to maintain, ensuring that the unit continues to work efficiently. The KSIO018H221OC unit has a maximum airflow capacity of 1150 CFM, making it easy to cool and heat the entire space quickly and effectively. It weighs only 104.50 lbs., making it easy to install and maintain. This outdoor unit has an impressive SEER rating of 21, which means that it is highly efficient and can save you money on energy costs. Overall, the Klimaire KSIO018H221OC Light Commercial series Mini Split Outdoor Unit is a reliable, energy-efficient cooling and heating solution suitable for a range of commercial spaces.