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80% Efficiency Furnaces
GUH80 1 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.
Displaying 26-50 of 93 results.
Comfort-Aire GDD80A108C5XE
108,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 603.99
Free Shipping
 
Comfort-Aire GDD80A126D5XE
126,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 610.99
Free Shipping
 
Comfort-Aire GUH80A045A3XE
45,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 468.99
Free Shipping
 
Comfort-Aire GUH80A054A3XE
54,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 500.99
Free Shipping
 
Comfort-Aire GUH80A072B4XE
72,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 513.99
Free Shipping
 
Comfort-Aire GUH80A072C5XE
72,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Fixed Speed PSC Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 496.99
Free Shipping
 
Comfort-Aire GUH80A090B4XE
90,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 575.99
Free Shipping
 
Comfort-Aire GUH80A090C5XE
90,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 581.99
Free Shipping
 
Comfort-Aire GUH80A108C5XE
108,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 643.99
Free Shipping
 
Comfort-Aire GUH80A126D5XE
126,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi Speed Blower, Upflow/Horizontal Flow Application

ON SALE!
$ 659.99
Free Shipping
 
Goodman GDH80403AN
40,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 598.99
Free Shipping
 
Goodman GDH80403AX
Lonox Emission 40,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 598.99
Free Shipping
 
Goodman GDH80603AN popular
60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 553.99
Free Shipping
 
Goodman GDH80603AX popular
Lonox Emission 60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 634.99
Free Shipping
 
Goodman GDH80804BN popular
80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 665.99
Free Shipping
 
Goodman GDH80804BX
Lonox Emission 80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 707.99
Free Shipping
 
Goodman GDH81005CN
100,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 795.99
Free Shipping
 
Goodman GDH81005CX
Lonox Emission 100,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 2,000 CFM Multi-Speed Blower, Dedicated Downflow Application

ON SALE!
$ 810.99
Free Shipping
 
Goodman GDS80403AN popular
40,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 473.99
Free Shipping
 
Goodman GDS80403AX
Lonox Emission 40,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 541.99
Free Shipping
 
Goodman GDS80603AN popular
60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 503.99
Free Shipping
 
Goodman GDS80603AX
Lonox Emission 60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 569.99
Free Shipping
 
Goodman GDS80804BN popular
80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 624.99
Free Shipping
 
Goodman GDS80804BX
Lonox Emission 80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 654.99
Free Shipping
 
Goodman GDS81005CN
100,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Downflow Application

ON SALE!
$ 686.99
Free Shipping
 
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