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Up / Horizontal Flow, 80% Efficiency Furnaces

Single-Stage Burner, Up / Horizontal Flow, 80% Efficiency Furnaces

Two-Stage Burner, Up / Horizontal Flow, 80% Efficiency Furnaces

About Up / Horizontal Flow, 80% Efficiency Furnaces

These are low efficiency furnaces. This means you will have higher gas bills using one of these furnaces than if you select a higher efficiency model.