Carrier Heat Pumps can be utilized in Hybrid Heat™ systems. In this configuration electric is utilized as the primary heat source by implementing the outside Heat Pump as the heat source for the majority of the winter. When outside temperatures fall below freezing the gas furnace is utilized to provide the heat needed to maintain the desired set point in your home. This results in a greater percentage of heat for your home to be derived from electric. Electric is normally the less expensive utility in winter months. Most importantly it allows YOU have control over which utility you use as the primary heat source for your home.