97% 84K Input Modulating Variable Speed Horiz/Down Gas Furnace Econet Enabled
98% 84K Input Modulating Variable Speed Upflow Gas Furnace EcoNet Enabled
98% 84K Input Modulating Upflow 5 Ton Vari SPD 21W Eco Com
97% 84K Input Modulating Down/Horiz 5 Ton Vari SPD 21W Eco Com