Available in cooling with gas heat configuration, 2- to 5-ton capacity York LX Series heats and cools residential and light commercial buildings. Single-cabinet design, featuring exact-fit gas/electric hookups, facilitates installation and service. With 14 Seasonal Energy Efficiency Ratio rating, packaged units exceed US Department of Energy efficiency standards and feature corrosion-resistant copper tube/aluminum fin condenser coils, single-stage compressor, and single-stage gas heat.