Carrier Geothermal Heat Pumps Search Search Search Sort by EER Sort by EER Sort by EERHigh to LowLow to High EER Value EER Value Reset Sort by COP Sort by COP Sort by COPHigh to LowLow to High COP Value COP Value Reset GBUp to 28.1 EERUp to 5.2 COP GCUp to 37 EERUp to 5.2 COP GPUp to 30 EERUp to 4.6 COP GZUp to 29.1 EERUp to 5.2 COP GWUp to 25.7 EERUp to 3.8 COP