Balance energy efficiency and reliable heating with our 4 Ton Dual Fuel Split Systems, designed for larger homes or spaces between approximately 2,100 and 2,400 square feet. These systems pair an electric heat pump for cooling and mild-weather heating with a natural gas or propane (LP) furnace that automatically takes over when colder temperatures hit. This setup gives you the flexibility to save energy during most of the year while ensuring strong, dependable heat when you need it. A 4 ton dual fuel split system is a smart, all-season solution for consistent comfort. Family owned and operated for over 30 years, we provide fast shipping, free duct designs, transparent pricing, and expert technical and warranty support.