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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.

Square Footage

GO
This calculator is for estimating capacity only, and does not give exact equipment capacities for your home.
Displaying 1-24 of 94 results
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  • Goodman GMS80403AN

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

    $ 495.99 Free Shipping
    (27 Reviews)
  • Goodman GMS80603AN

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

    popular
    $ 508.99 Free Shipping
    (27 Reviews)
  • Comfort-Aire GUH80A054A3XE

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

    $ 556.99 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

    $ 590.99 Free Shipping
    (0 Reviews)
  • Amana AMH80403AN

    40,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 593.99 Free Shipping
    (0 Reviews)
  • Goodman GMH80603AN

    60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    popular
    $ 540.99 Free Shipping
    (34 Reviews)
  • Goodman GMH80803BN

    80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    popular
    $ 573.99 Free Shipping
    (34 Reviews)
  • Goodman GMH81005CN

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

    $ 637.99 Free Shipping
    (34 Reviews)
  • Comfort-Aire GUH80A090C5XE

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

    $ 635.99 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

    $ 685.99 Free Shipping
    (0 Reviews)
  • Goodman GMS80804BN

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

    $ 552.99 Free Shipping
    (27 Reviews)
  • Goodman GMS81005CN

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

    $ 604.99 Free Shipping
    (27 Reviews)
  • Amana AMVC80604BN

    60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Variable Speed Blower, Upflow/Horizontal Flow Application

    $1,036.99 Free Shipping
    (0 Reviews)
  • Amana AMH80603AN

    60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 623.99 Free Shipping
    (0 Reviews)
  • Amana AMH80804BN

    80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 721.99 Free Shipping
    (0 Reviews)
  • Amana AMH81005CN

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

    $ 829.99 Free Shipping
    (0 Reviews)
  • Amana AMH80403AX

    Low NOx Emission 40,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 575.99 Free Shipping
    (0 Reviews)
  • Amana AMH80603AX

    Low NOx Emission 60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 609.99 Free Shipping
    (0 Reviews)
  • Amana AMH80604BN

    60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 650.99 Free Shipping
    (0 Reviews)
  • Amana AMH80604BX

    Low NOx Emission 60,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 650.99 Free Shipping
    (0 Reviews)
  • Amana AMH80803BN

    80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 688.99 Free Shipping
    (0 Reviews)
  • Amana AMH80803BX

    Low NOx Emission 80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 688.99 Free Shipping
    (0 Reviews)
  • Amana AMH80804BX

    Low NOx Emission 80,000 BTU Furnace, 80% Efficiency, 2-Stage Burner, 1,600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $ 716.99 Free Shipping
    (0 Reviews)
  • Amana AMH80805CN

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

    $ 696.99 Free Shipping
    (0 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.