A variable refrigerant flow (VRF) HVAC system has a single outdoor compressor and multiple indoor fan coil units. Rather than turning off and on, it regulates refrigerant flow to only deliver as much as needed. These systems offer highly flexible and highly efficient heating and cooling. They can also provide both heating and cooling at once. With VRF system installation in Sun Prairie, WI, you can get scalable climate control for your large residential property or commercial building. Southport Home Services offers high-performing VRF HVAC systems along with expert VRF HVAC system installation. We also stand behind our work with a 100% customer satisfaction guarantee.