Polberg® VRF Air Conditioner achieves the industry's top class energy efficiency of cooling EER and heating COP by utilizing the Vapor Injection DC compressor control, improved performance heat exchanger by innovative design and numerous high performance key parts. High efficiency DC inverter compressor reduces power consumption by 25%. Polberg® VRF Air Conditioner covers Tropical and Non-tropical applications and creates the perfect cooling/heating performance, enhances comfort and reliability and easy installation. Eco-friendly development and testing will ensure that our ozone layer will not be affected by using our entire product line, especially our VRF system. APEX Series offers a large capacity from 8HP up to 32HP for individual unit. It also incorporates a range of outstanding features, wide range outdoor and indoor units, high external static pressure, and energy saving technologies. It supports an incredible piping length of 1,100m and a level difference of 110m, making it perfect for large high-rise buildings and operates for higher working temperatures up to 54C.