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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.
GUH80 1

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

  • These furnaces have standard burners with one flame level. The flame is either on at full capacity, or it is off.
Goodman GMH8 05

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

  • These furnaces will operate on low flame, and then automatically increase to high-flame when more heat is needed. (A two-stage thermostat is required which allows you to determine when high-flame is engaged.)
  • The two stage burner will help maintain a more consistant temperature in your home, keeping your home at nearly the exact temperature you set your thermostat at.
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