97% 70K Input Modulating Variable Speed Horiz/Down Gas Furnace Econet Enabled
98% 70K Input Modulating Variable Speed Upflow Gas Furnace EcoNet Enabled
98% 56K Input Modulating Variable Speed Upflow Gas Furnace EcoNet Enabled
97% 56K Input Modulating Variable Speed Horiz/Down Gas Furnace Econet Enabled