Environmentally friendly, high efficiency R410A gas Cooling efficiency (EER) average 3.9 Heating efficiency (COP) average 4.8 washable filter Acoustic sound insulation Horizontal and vertical application Electrostatic painted outer body Stainless steel drain pan Control module on device Low and high pressure protections IP54, EN 60204-1 electrical and automation panel MODBUS module Programmable thermostat optional Heat recovery module Economizer for free cooling electric heater balance valve set Special compressor insulation Water overflow control with drain level sensor