Find dependable year-round comfort with our 2.5 Ton Split System Air Conditioners paired with Gas Furnaces. Ideal for cooling and heating spaces between approximately 1,200 and 1,500 square feet, these systems combine a powerful air conditioner, a natural gas or propane (LP) furnace, and a cased coil. Choose from 80% to 96% AFUE furnace options—where only 4% to 20% of fuel energy is lost during operation. A 2.5 ton gas split system is a smart solution for homes that need efficient, proven performance. Family owned and operated for over 30 years, we deliver fast shipping, free duct designs, honest pricing, and expert technical and warranty support.