Single Stage

Gas furnace, upflow/downflow/horizontal, 1 stage, performance 80% AFUE, 66,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, 1 stage, performance 80% AFUE, 66,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, single-stage, 95% AFUE (downflow), 96% AFUE (Upflow/Horizontal), 80,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, 1 stage, performance 80% AFUE, 88,000 input BTUH, 115/1/60

Gas furnace, upflow/horizontal, 1 stage, performance 80% AFUE, 75,000 input BTUH, 4 Ton, 115/1/60

Gas furnace, upflow/downflow/horizontal, single-stage, 95% AFUE (downflow), 96% AFUE (Upflow/Horizontal), 60,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, single-stage, builders 92.1% AFUE, 80,000 input BTUH, 115/1/60

Gas furnace, upflow/horizontal, 1 stage, performance 80% AFUE, 100,000 input BTUH, 4 Ton, 115/1/60

Gas furnace, upflow/downflow/horizontal, 1 stage, performance 80% AFUE, 44,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, single-stage, 95% AFUE (downflow), 96% AFUE (Upflow/Horizontal), 100,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, 1 stage, performance 80% AFUE, 88,000 input BTUH, 115/1/60

Gas furnace, upflow/downflow/horizontal, 1 stage, 80% AFUE, Low NOx, 66,000/63000 input BTUH, 115/1/60