96% 2-Stage 42K Input Furnace Up to 3 Ton Constant Torque Multi-Position 17.5W
92% Multi Position 42K BTU Up To 3 Ton Constant Torq Mtr 17.5W
96% Two Stage 42K Multi Pos Up to 3 Ton Vari SPD 17W Eco Com
96% 42K Input 2-Stage Variable Speed Multi-Position Furnace EcoNet Enabled
92% Single Stage 42K Multi Pos Up to 3 Ton 17W Non Com
92% Single Stage 42K Multi Pos Up to 3 Ton Vari SPD 17W Eco Com