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

BTU CALCULATOR
BTU CALCULATOR

BTU stands for "British Thermal Unit" and measures the heating or cooling capacity of a furnace or air conditioning unit. Enter your homes square footage to see how many BTU's are required to adequately heat or cool it.

Enter the square footage of your home (or room) and press Go.
GO
This calculator is for estimating capacity only, and does not give exact equipment capacities for your home.
Displaying 1-24 of 24 results
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  • Comfort-Aire GUH80A045A3XE

    45,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 452.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A054A3XE

    54,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 468.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A045A3XE

    45,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 452.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A054A3XE

    54,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 468.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A072B4XE

    72,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 576.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A072C5XE

    72,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Fixed Speed PSC Blower, Upflow/Horizontal Flow Application

    $ 584.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A090B4XE

    90,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 594.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A090C5XE

    90,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 640.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A108C5XE

    108,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 645.99 Free Shipping
    (0 Reviews)

  • Comfort-Aire GUH80A126D5XE

    126,000 BTU Furnace, 80% Efficiency, 1-Stage Burner, 2,000 CFM Multi Speed Blower, Upflow/Horizontal Flow Application

    $ 689.99 Free Shipping
    (0 Reviews)

  • Goodman GMS80403AN

    40,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    popular
    $ 462.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80403AX

    Lonox Emission 40,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    popular
    $ 545.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80603AN

    60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    popular
    $ 494.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80603AX

    Lonox Emission 60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 565.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80604BN

    60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 598.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80604BX

    Lonox Emission 60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 574.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80804BN

    80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 571.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80804BX

    Lonox Emission 80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 584.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80805CN

    80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 632.99 Free Shipping
    (20 Reviews)

  • Goodman GMS80805CX

    Lonox Emission 80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 630.99 Free Shipping
    (20 Reviews)

  • Goodman GMS81005CN

    100,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 615.99 Free Shipping
    (20 Reviews)

  • Goodman GMS81005CX

    Lonox Emission 100,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 659.99 Free Shipping
    (20 Reviews)

  • Goodman GMS81205DN

    120,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 686.99 Free Shipping
    (20 Reviews)

  • Goodman GMS81205DX

    Lonox Emission 120,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 738.99 Free Shipping
    (20 Reviews)

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.