Handle large home or light commercial heating and cooling needs with a 5 Ton Split System Air Conditioner paired with a Gas Furnace and Cased Coil. Perfect for spaces between approximately 2,400 and 3,000 square feet, these systems deliver strong cooling alongside dependable natural gas or propane (LP) heating. Available furnace efficiencies range from 80% to 96% AFUE—meaning only 4% to 20% of fuel energy is lost during heating. A 5 ton gas split system offers year-round performance, durability, and energy savings. Family owned and operated for over 30 years, we provide fast shipping, free duct designs, honest pricing, and trusted technical and warranty support.