Comfort 13 Packaged Heat Pump System with Puron® Refrigerant Sizes 024 Thru 060 STANDARD FEATURES Puron® refrigerant an environmentally friendly alternative 13.0 SEER, 8.0 HSPF and 11 EER at 95° F OD Built-in Thermostatic Expansion Valve (TXV) improves overall efficiency Variable-speed direct drive indoor blower is standard on all models Envirotuff™rust-proof base with integrated drain Easily converts to down discharge Vertical condenser fan discharge Sound ratings as low as 72dB Copper tube/aluminum fin condenser and evaporator coils UL, UL Canada certified High and low-pressure switches to protect compressor One panel access for ease of installation and serviceability Scroll compressors on all sizes Compressor protection with Time Guard® II technology programmed into defrost board Filter drier to protect the refrigerant system Metal, insulated duct covers that remain in place for downshot applications