I removed a Goodman Gas furnace and Goodman heat pump. I installed a Five Star 96% 2 Stage Variable Speed 80,000 BTU Gas Furnace 4T 17" and a Five Star 13 SEER 2.5 Ton Air Conditioner. Cycled and monitored the system. Operating normally at this time. Included with the installation is a free 1 year service maintenance agreement.