The Goodman GPG153009041 is a complete singlephase, selfcontained, packaged gaselectric unit with heating and cooling capabilities. The air conditioning of this model uses a highefficiency compressor and the chlorinefree R410A refrigerant to effectively cool the home. It has a 2.5 ton and 29,000 BTU cooling capacity.The GPG15 line's gaselectric system uses a twostage aluminized steel heat exchanger to warm the home with 92,000 BTU in highfire mode and 69,000 BTU in low mode. This unit's corrosionresistant T140 aluminized steel tubular heat exchanger and copper tube/aluminum fin condenser coil provide impressive reliability. Plus, it comes with a redundant twostage gas valve for further safety and reliability.Goodman's packaged units are designed to be incredibly energy efficient. This model offers 14.5 SEER and 12.0 EER ratings, as well as an AFUE measurement of 80. These contribute significantly to home heating and cooling costs, especially when compared to systems with less efficient ratings. Plus, all models of the GPG15 line comply with California Low NOx emission standards.The benefit of a packaged unit is that it comes fully complete and selfcontained, housed in a heavygauge zinccoated steel cabinet with a UVresistant powderpaint finish. It is fully insulated, which protects it from the elements while reducing the sound it makes during operation. It's easy to maintain due to convenient access panels. This model features a horizontal or downflow installation possibilities.