Designed for major application flexibility and expandability, this system grows with your requirements and offers a simple design for easy initial and future installation. Reaches efficiencies up to 16.3 EER at full-load and up to 21.3 EER at part-load (IPLV), exceeding ASHRAE 90.1 minimum efficiency requirements. The model UCW has earned AHRI® certification, an assurance of this product’s performance.